Answer: B
Step-by-step explanation:
First off, choices A and D can be elimination because you are not subtracting. In choice C, we have 10 divided by 5 as opposed to z divided by 5. The answer is B.
Sam and Odel have been selling frozen pizzas for a class fundraiser. Sam has sold half as many pizzas as Odel. Together they have sold a total of 126 pizzas. How many pizzas did Sam sell
Answer:
Step-by-step explanation:
Sam has sold 63 pizzas, because the problem is asking what is the half of 126 basically, which is 63 and is also saying that sam sold HALF as many pizzas.
The vertices of parallelogram ABCD are located at points A(-2,-1), B(6,1), C(10,7), and D(2,5). Which of the following statements are true?
Select all that apply.
The statements which are true are:
(6, 6) is the midpoint of CD
(4, 3) is the intersection point of diagonals of parallelogram
Solution:
The mid point (x,y) = [tex]( \frac{x_1+x_2}{2},\frac{y_1+y_2}{2})[/tex]
Midpoint of ABA(-2, -1) and B(6, 1)
[tex]\text{ midpoint of AB } = (\frac{-2+6}{2} , \frac{-1+1}{2})\\\\\text{ midpoint of AB } = (2, 0)[/tex]
Thus statement 1 is wrong
Midpoint of BCB(6, 1) and C(10, 7)
[tex]\text{ midpoint of BC } = (\frac{6+10}{2} , \frac{1+7}{2})\\\\\text{ midpoint of BC } = (8, 4)[/tex]
Thus statement 2 is wrong
Mid point of CDHere ,
[tex]x_1[/tex] = 10
[tex]x_2[/tex]= 2
[tex]y_1[/tex]= 7
[tex]y_2[/tex]=5
now substituting these values,
mid point of CD = [tex](\frac{10+2}{2},\frac{7+5}{2})[/tex]
mid point of CD = [tex](\frac{12}{2},\frac{12}{2})[/tex]
mid point of CD = [tex](6, 6)[/tex]
Therefore (6, 6) is the midpoint of CD
Statement 3 is correct
Midpoint of ADA = (-2, -1) and D = (2, 5)
[tex]\text{ mid point of AD } = (\frac{-2+2}{2} , \frac{-1+5}{2})\\\\\text{ mid point of AD } = (0, 2)[/tex]
Thus statement 4 is wrong
Intersection point of diagonals of parallelogramLet AC and BD be the diagonals of parallelogram
The diagonals of a parallelogram bisect each other, therefore, the point of intersection is the midpoint of either.
Midpoint of AC:
A = (-2, -1) and C(10, 7)
[tex]\text{ Midpoint of AC } = (\frac{-2+10}{2} , \frac{-1+7}{2})\\\\\text{ Midpoint of AC } = (4,3)[/tex]
Thus statement 5 is correct
Max wants to run 512 miles to train for track season. If the total length around the track is
34 mile, how many laps does Max need to run around the track?
Max needs to run 15 laps around the track.
Step-by-step explanation:
Given,
Distance Max wants to run = 512 miles
Length around the track = 34 mile
34 miles = 1 lap
1 mile = [tex]\frac{1}{34}\ laps[/tex]
512 miles = [tex]\frac{1}{34}*512[/tex]
512 miles = 15.06 laps
Rounding off to nearest whole number;
512 miles = 15 laps
Max needs to run 15 laps around the track.
Keywords: unit rate, division
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The vertices of ∆CDE are C(–5, 3), D(–6, 1), and E(–1.5, 2). Which figure shows the image of ∆CDE for a glide reflection where the translation is (x, y) → (x, y – 3) and the line of reflection is x = 0?
The coordinates of the image of ∆CDE after the translation are:
C' (–5, 0)
D' (–6, -2)
E' (–1.5, -1)
To find the image of ∆CDE for a glide reflection, we must first perform a translation. The translation is (x, y) → (x, y – 3). This means that each point of ∆CDE will be moved 3 units down.
Therefore, the coordinates of the image of ∆CDE after the translation are:
C' (–5, 0)
D' (–6, -2)
E' (–1.5, -1)
Next, we need to reflect ∆CDE across the line x = 0. This me The vertices of ∆CDE are C(–5, 3), D(–6, 1), and E(–1.5, 2). Which figure shows the image of ∆CDE for a glide reflection where the translation is (x, y) → (x, y – 3) and the line of reflection is x = 0?
To find the image of ∆CDE for a glide reflection, we must first perform a translation. The translation is (x, y) → (x, y – 3). This means that each point of ∆CDE will be moved 3 units down.
Therefore, the coordinates of the image of ∆CDE after the translation are:
C' (–5, 0)
D' (–6, -2)
E' (–1.5, -1)
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A conical tent has a radius of 10.4 ft and a height of 8.4 ft. Doubling which dimensions will quadruple the volume of the tent?
Answer: Doubling the radius.
Step-by-step explanation:
The volume of a cone can be found with the following formula:
[tex]V=\frac{1}{3}\pi r^2h[/tex]
Where "r" is the radius and "h" is the height of the cone.
Let's find the volume of the conical tent with a radius of 10.4 feet and a height of 8.4 feet.
Identifiying that:
[tex]r=10.4\ ft\\\\h=8.4\ ft[/tex]
You get this volume:
[tex]V_1=\frac{1}{3}\pi (10.4\ ft)^2(8.4\ ft)\\\\V_1=951.43\ ft^3[/tex]
If you double the radius, the volume of the conical tent will be:
[tex]V_2=\frac{1}{3}\pi (2*10.4\ ft)^2(8.4\ ft)\\\\V_2=3,805.70\ ft^3[/tex]
When you divide both volumes, you get:
[tex]\frac{3,805.70\ ft^3}{951.43\ ft^3}=4[/tex]
Therefore, doubling the radius will quadruple the volume of the tent.
What is 879 minus 690?
Answer:
189
Step-by-step explanation:
Round 6.58 to the nearest whole number
Answer: The nearest whole number to 6.58 would be 7.
Step-by-step explanation: The whole number 7 is closer to 6.58 than any other whole number. Hence, 6.58 rounded to the nearest whole number would be 7.
Find the greatest common factor.
4z, 6z3
Write your answer as a constant times a product of single variables raised to exponents.
The GCF of given terms is: 2z
Step-by-step explanation:
A largest factor that is shared by all given terms is called greatest common factor.
So,
Given terms are:
4z , 6z^3
Factoring the terms
[tex]4z = 2.2.z\\6z^3 = 2.3.z.z.z[/tex]
The common factors in both terms are: 2 and z
So,
The GCF of given terms is: 2z
Keywords: GCF, factors
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Which triangles must be congruent?
A. AABC, AFDE, and AGIH
B. AABC and AFDE only
C. AGIH and AABC only
D. none of the triangles
There are triangles ΔABC, ΔFDE, and ΔGIH must be congruent. The correct answer is option A.
What are congruent triangles?Two triangles are said to be congruent if their corresponding sides and angles are equal.
In the given information, we can see that AB is congruent to both DF and GI, and BC is congruent to HI. Also, we know that ∠B is congruent to both ∠D and ∠G.
Using these properties, we can conclude that triangles ABC and FDE are congruent by the Side-Angle-Side (SAS) congruence theorem, since AB is congruent to DF, BC is congruent to DE, and ∠B is congruent to ∠D.
Similarly, we can conclude that triangles ABC and GIH are congruent by the Side-Side-Side (SSS) congruence theorem since AB is congruent to GI, BC is congruent to HI, and AC is congruent to GH.
Therefore, ΔABC, ΔFDE, and ΔGIH must be congruent.
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what is x+4 over 3 equals 6
Answer:
14
Step-by-step explanation:
Answer:
14
Step-by-step explanation:
(x+4)/3=6
Multiply by 3 on both sides
x+4=18
Subtract 4 from both sides
x=14
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what is $750x+150<1000
For this case we must resolve the following inequality:
[tex]750x + 150 <1000[/tex]
Subtracting 150 from both sides of the inequality we have:
[tex]750x <1000-150\\750x <850[/tex]
We divide between 750 on both sides of the equation:
[tex]x <\frac {850} {750}[/tex]
We simplify, dividing by 5 numerator and denominator:
[tex]x <\frac {170} {150}[/tex]
We simplify, dividing by 5 numerator and denominator:
[tex]x <\frac {34} {30}[/tex]
We simplify, dividing by 2 numerator and denominator:
[tex]x <\frac {17} {15}[/tex]
Thus, the solution is given by all values of x less strict than[tex]\frac {17} {15}[/tex]
Answer:
[tex]x <\frac {17} {15}[/tex]
Hue is arranging chairs.She can form 6 rows of a given length with 3 chairs left over,or 8 rows of that same length if she gets 11 more chairs.Write and solve an equation to find how many chairs are in that row length
Answer:
There are 7 chairs in each row.
Step-by-step explanation:
Hue is arranging some number of chairs. If she arranges them in 6 rows of equal lengths then there will be 3 chairs leftover, or she arranges them in 8 rows of that same length then she requires 11 more chairs.
Let us assume that there are P numbers of chairs and there are x chairs in each row.
Therefore, we can write that
6x + 3 = P ....... (1) and
8x = P + 11
⇒ 8x - 11 = P ........ (2)
Now, from equations (1) and (2) we get,
6x + 3 = 8x - 11
⇒ 2x = 14
⇒ x = 7
Therefore, there are 7 chairs in each row. (Answer)
What is the percentage of increase from the least expensive policy to the most expensive policy? To the
nearest tenth of a percentage.
7.8 6.8 and 5.8
Is what they forgot to put
Answer is 7.8
A cell phone company charges a $20 flat fee plus 5 cents for every minute used for calls.
Which algebraic equation that could be used to represent the situation?
A.
Y= 0.05x + 20
B.
Y = 5x + 20
C.
Y = 20x + 0.5
D.
Y = 20x + 5
Given no other restrictions what are the domain and range of the following function f(x)=x^2-2x+2
Answer:
R= {y|y>=1}
Step-by-step explanation:
D = all real numbers R= {y|y>=1}.
All polynomials have domain of all real numbers.
For the range, the vertex format is useful;
Y= (X-1)^2 + 1
Since (X-1) is never less than zero, Y>=1.
That is where the vertex is, at Y=1
647 divided by 3 step by step. thanks.
Answer:
215
Step-by-step explanation:
215
3
647
6
04
3
17
15
2
hope this helped
for a party. 10 friends are buying 100 cups,100 plates a punchbowl, and 200 ballons.if the friends share the cost equally ,how much should each friend contribute
Each friend should contribute $196.5 towards the party supplies.
To solve this problem, we need to follow these steps:
1. Calculate the total cost of all party supplies:
- 100 balloons cost $720
- 100 plates cost $475
- 100 cups cost $5.45 each
- 100 napkins cost $2.09 each
- 10 invitations cost $1.60 each
- We need to find the cost of the plastic punchbowl.
2. Find the cost of the plastic punchbowl:
- To find the cost of the plastic punchbowl, we subtract the total cost of the known items from the total cost of all party supplies.
3. Calculate the total cost of all party supplies:
- Calculate the cost of 100 cups: [tex]\(100 \times \$5.45\)[/tex]
- Calculate the cost of 100 napkins: [tex]\(100 \times \$2.09\)[/tex]
- Sum up the costs of all known items.
4. Find the cost per friend:
- Once we have the total cost of all party supplies, we divide this total by the number of friends (10) to find out how much each friend should contribute equally.
Let's calculate step by step:
1. Calculate the total cost of all party supplies:
- Cost of 100 balloons: $720
- Cost of 100 plates: $475
- Cost of 100 cups: [tex]\(100 \times \$5.45\)[/tex]
- Cost of 100 napkins: [tex]\(100 \times \$2.09\)[/tex]
- Cost of 10 invitations: [tex]\(10 \times \$1.60\)[/tex]
- Total cost of known items [tex]= \(720 + 475 + (100 \times 5.45) + (100 \times 2.09) + (10 \times 1.60)\)[/tex]
2. Find the cost of the plastic punchbowl:
- Total cost of all party supplies - Total cost of known items = Cost of plastic punchbowl
3. Calculate the total cost of all party supplies:
- [tex]\(100 \times \$5.45 = \$545\)[/tex]
- [tex]\(100 \times \$2.09 = \$209\)[/tex]
- [tex]\(10 \times \$1.60 = \$16\[/tex]
- Total cost of known items = [tex]\(720 + 475 + 545 + 209 + 16\)[/tex]
4. Find the cost per friend:
- Total cost of all party supplies / Number of friends = Cost per friend
Let's compute these steps to find the solution.
Let's calculate step by step:
1. Calculate the total cost of all party supplies:
- Cost of 100 balloons: $720
- Cost of 100 plates: $475
- Cost of 100 cups: [tex]\(100 \times \$5.45 = \$545\)[/tex]
- Cost of 100 napkins: [tex]\(100 \times \$2.09 = \$209\)[/tex]
- Cost of 10 invitations: [tex]\(10 \times \$1.60 = \$16\)[/tex]
- Total cost of known items = [tex]\(720 + 475 + 545 + 209 + 16 = \$1965\)[/tex]
2. Find the cost of the plastic punchbowl:
- Total cost of all party supplies - Total cost of known items = Cost of plastic punchbowl
- Total cost of all party supplies - $1965 = Cost of plastic punchbowl
3. Calculate the total cost of all party supplies:
- Total cost of all party supplies = [tex]720 + 475 + (100 \times 5.45) + (100 \times 2.09) + (10 \times 1.60)[/tex] = 720 + 475 + 545 + 209 + 16 = $1965
4. Find the cost per friend:
- Total cost of all party supplies / Number of friends = Cost per friend
- [tex]\( \frac{\$1965}{10} = \$196.5 \)[/tex]
So, each friend should contribute $196.5 towards the party supplies.
the complete Question is given below:
For a party, 10 friends are buying 100 cups, 100 plates, a punchbowl, and 200 balloons. If the friends share the cost equally, how much should each friend contribute? Party Supplies 100 balloons $720 100 plates $475 100 cups $5.45 100 napkins $2.09 What steps do you need 10 invitations $1.60 to solve to find the plastic punchbowl
HELP ME 15 POINTS!!!!
Which is the MOST REASONABLE approach for the company to take to lessen the number of latecomers to work?
A) Relocate the company to an area with less traffic.
B) Deduct the lost time for any reason from vacation time.
C) Delay the start time of work days when there is bad weather.
D) Implement better procedures at the security gate.
Answer:
D) Implement better procedures at the security gate.
Step-by-step explanation:
5) Devon has 2 equal stacks of Post-Its in his locker. He used 14 of them last week and has
22 left over. How many Post-Its were in each stack?
Answer: 18
Step-by-step explanation:
1.We must total 14 and 22 (14+22) that brings the number of post which is 36.
2.The we must divide 36 by 2 (36÷2). It said two stacks that is why the division by 2 comes in place and it gives us our answer 18
HLEP PLEASE!!!!!!!!!!!!!!!!!Add. State the sum in simplest form.
Answer: the answer would be B. ( 18y+35x over 15xy
The points (2, - 8) and (1,r) fall on a line with a slope of - 9. What is the value of r? r=
Answer:
r=-2
Step-by-step explanation:
difference in y/difference in x =slope
-r-8/1-2=-9
-r-8=-9*-1
-r=10+8
r=-2
In his free time Gary spends 10 hours per week on the internet and 9 hours per week on video games. If Gary has 5 hours of free time per day what percent of free time is he using to play video games and use the internet
Final answer:
Gary spends approximately 54.29% of his free time on video games and the internet.
Explanation:
To find the percentage of free time that Gary spends on video games and the internet, we need to calculate the total number of hours he spends on these activities and divide it by the total number of hours of free time he has.
First, calculate the total number of hours Gary spends on video games and the internet: 10 + 9 = 19 hours.
Next, calculate the total number of hours Gary has for free time in a week: 5 hours per day x 7 days = 35 hours.
To find the percentage, divide the total number of hours spent on video games and the internet by the total number of hours of free time and multiply by 100: (19 / 35) x 100 = 54.29%.
Therefore, Gary spends approximately 54.29% of his free time on video games and the internet.
To find the percentage of free time that Gary is using to play video games and use the internet, calculate the total free time and the proportion of time spent on video games and internet use.
Explanation:To find the percentage of free time that Gary is using to play video games and use the internet, we need to calculate the total amount of free time Gary has and then determine the proportion of that time spent on video games and internet use.
Gary spends 10 hours per week on the internet and 9 hours per week on video games. This is a total of 10 + 9 = 19 hours per week.
Since Gary has 5 hours of free time per day, he has a total of 5 * 7 = 35 hours of free time per week.
To find the percentage, we divide the time spent on video games and internet use (19 hours) by the total free time (35 hours) and then multiply by 100. So, the percentage is (19/35) * 100 = 54.28% (rounded to two decimal places).
Diego pours 6.8 ounces of water from a full bottle. He estimates that he poured out 20% of the water in the bottle. About how much water was in the full bottle?
Answer:
Full bottle can fill 34 ounces water and 27.2 ounces left in the bottle
Step-by-step explanation:
Full bottle : 100%
6.8 ounces: 20%
100% / 20% = 5
Full bottle = 6.8 x 5 = 34 ounces
water remain in bottle = 34 -6.8 = 27.2 ounces
There is 34 ounces of water in the bottle initially and this can be determined by using the unitary method.
Given :
Diego pours 6.8 ounces of water from a full bottle.He estimates that he poured out 20% of the water in the bottle.The following steps can be used in order to determine the total amount of water in the full bottle:
Step 1 - The unitary method can be used in order to determine the total amount of water in the full bottle.
Step 2 - According to the given data, Diego pours 6.8 ounces of water from a full bottle which is the 20% of the water in the bottle.
Step 3 - If 20% is 6.8 ounces of water than the 100% is given by:
[tex]=\dfrac{6.8}{20}\times 100[/tex]
Multiply 6.8 by 100 in the above expression.
[tex]=\dfrac{680}{20}[/tex]
Divide 680 by 20 in the above expression.
= 34 ounces
So, there is 34 ounces of water in the bottle initially.
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Barney has
[tex]16 \frac{1}{5} [/tex]
yards of fabric. To make an elf costume, he needs
[tex]5 \frac{2}{5} [/tex]
yards of fabric. How many costumes can Barney make?
Barney can make 3 costumes from the total fabric.
Step-by-step explanation:
Given,
Amount of fabric Barney has = [tex]16\frac{1}{5}=\frac{81}{5}\ yards[/tex]
Amount of fabric required for an elf costume = [tex]5\frac{2}{5}=\frac{27}{5}\ yards[/tex]
Let,
x represent the number of costumes that can be make from total fabric.
[tex]\frac{27}{5}x=\frac{81}{5}[/tex]
Multiplying both sides by 5/27
[tex]\frac{5}{27}*\frac{27}{5}x=\frac{81}{5}*\frac{5}{27}\\\\x=\frac{81}{27}\\\\x=3[/tex]
Barney can make 3 costumes from the total fabric.
Keywords: fraction, multiplication
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In the diagram, which center describes the point equidistant to the stove, the refrigerator, and the sink?
stove
sink
refrigerator
the centroid
the orthocenter
HELPPPPPPPPPP PLEASEEEEEEE
Answer:
Circumcenter describes the point equidistant to the refrigerator, stove and the sink
Step-by-step explanation:
The basic construction of the circumcenter is to identify the midpoints of the original triangle. This circumcenter is the point where all the perpendicular bisector of the sides of the triangle intersects. For an triangle that is acute-angled, its circumcenter will lie inside the triangle. For an obtuse-angled triangle, the circumcenter lies outside of the triangle
, In a right-angled triangle, Circumcenter lies at the midpoint of the hypotenuse side of triangle.
To Find the circumcenter of the triangle
find the midpoints of the two side using midpoint formulafind the slopes of the sidesfind the slopes of the perpendicular bisectorusing these data make two equationssolving the 2 equation will give the circumcenter of the triangleAnswer:
Circumcenter
Step-by-step explanation:
I don’t understand what it is asking so I need help with the work
Answer: The diver is 23 feet under sea level
Step-by-step explanation:
If we draw a vertical number line (image attached), where point 0 is sea level (the diver's initial position), the first point under sea level is -20, since we are told it dives a distance of 20 ft (the negative sign is only to indicate the direction, since a distance cannot be negative).
Then, the diver goes 10 ft deep. This means now it is 30 ft under sea level and the second point is -30.
After that the diver swims up 12 ft, hence we have to count 12 points up in our number line and the corresponding point is -18.
Finally, the diver swims 5 ft lower and keep that position. Hence, we have to count 5 points below point -18 in the number line, resulting in the last point: -23.
This means the diver's final position is 23 feet under sea level.
If we want to prove it with numbers, we can do it as follows:
20 ft (down)+10 ft (down)-12 ft (up)+5 ft (down)=23 ft
What polynomial should be subtracted from 7x^2−6x+5 to get the difference equal to x^2−x.
Answer: 6x^2-5x+5
Step-by-step explanation:
Answer:
6x^2-5x+5
Step-by-step explanation:
Essentially, you just put the two in a column:
7x^2−6x+5
- y
=x^2-x
("y" represents answer)
Company charges $80 per hour fee for computer repair plus a 1 time service fee. The total for 3 hours was $290. Write the point slope form of an equation to find the total fee y for any number of hours x
Answer:
y=80x+50 for the one time service fee.
Anytime after that would be y=80x
Step-by-step explanation:
Y is how much the total is and 80 is how much it is an hour. X is the number of hours worked. With the first time fee of $50, your equation would be y=80x+50. Anytime after that, excluding the “one time fee,” the equation would be y=80x.
Which describes how to graph h(x)= –RootIndex 3 StartRoot x EndRoot + 3 using transformations of the parent function?
A. Reflect over the horizontal axis, and then translate the graph right 3 units.
B. Reflect over the horizontal axis, and then translate the graph up 3 units.
C. Reflect over the vertical axis, and then translate right 3 units.
D. Reflect over the vertical axis, and then translate up 3 units.
Answer: B. on e2020
Step-by-step explanation:
The transformation of parent function to h(x) = - ∛x + 3 is such that it is reflected over the horizontal axis, and then translated up 3 units.
The correct option is B.
What is transformation?Transformations are changes done in the shapes on a coordinate plane by rotation or reflection or translation.
Given function,
h(x) = - ∛x + 3
To find the transformation, compare the equation to the parent function and check to see if there is a horizontal or vertical shift, reflection about the x-axis or y-axis
Parent Function: f(x) = ∛x
Horizontal Shift: None
Vertical Shift: Up 3 Units
Reflection about the x-axis:
f(x) → -f(x)
∛x → - ∛x
Reflection of the function is over x - axis.
Hence, the transformation from the parent equation to given function can be found by reflecting over X- axis and translate up 3 units.
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The bracelet Lily would like to buy costs $5 less than 5 times the amount she has saved . The bracelet costs $30. How much money does Lily have saved?
Lily has saved $ 7
Solution:
Given that bracelet costs $30
The bracelet Lily would like to buy costs $5 less than 5 times the amount she has saved
Cost of bracelet = $ 30
From given statement,
Cost of bracelet = 5 times the amount she has saved - 5
Let "x" be the amount saved by lily
Cost of bracelet = 5 times x - 5
Here "times" represents multiplication
30 = 5(x) - 5
30 = 5x - 5
30 + 5 = 5x
5x = 35
On dividing 35 by 5 we get 7
x = 7
Thus Lily saved $ 7
Answer:
1. Start with the cost of the bracelet: 30.
2. Add 5: 30 + 5 = 35.
3. Divide by 5: 35 / 5 = 7
So, Lily has $7 saved
Step-by-step explanation:
Hope it helpss ! :D