Answer:
your answer is 10! please mark brainliest :))))))
Step-by-step explanation:
Please help me out.............
Since the sides are equal the angels have to be equal too
5x-20=2x+37
3x=57
X=19
Fill in the blank to make the the equation true
__________ x 9/5 = -27
Answer:
-15
Step-by-step explanation:
Multiply the whole equation by the inverse of the multiplier of the blank. Then you get ...
___ × 1 = (-27)×(5/9) = -15
The blank filled with -15 will make the equation true.
Which system of linear inequalities is graphed?
Both lines are dotted so no equation should include equal to in it.
The shaded area is on the left side .
The correct answer would be y>2x+1 and x+y = -2
The 3rd answer is correct.
Answer:
y>2x+1 and x+y < -2 represent the graph line.
Step-by-step explanation:
Given : graph .
To find : Which system of linear inequalities is graphed
Solution : We have given graph with two line both lines are dotted line and shaded down.
Equation of line form : y = mx + b.
Where, m = slope , b= y intercept.
Line x+y < -2 less than sign for shaded down and y intercept -2.
and y>2x+1.
Therefore, y>2x+1 and x+y < -2 represent the graph line.
A father who is 42 years old has a son and a daughter. The daughter is three times as old as the son. In 10 years, the sum of all their ages will be 100 years. How old are the two siblings at present? PLEASE HELP!!!!!!!!!!!!!!!!
Answer:
The daughter is 36 years old and the son is 12 years old.
The length of the side of square a is twice the length of the side of square b. What is the ratio of the area of square a to the area of square b
➷ As you can tell, the ratio of the lengths is 2 : 1 (the length of a is twice the length of b)
The ratio for area would be the squared version of the length ratio
2^2 = 4
1^1 = 1
The ratio for area is 4 : 1
✽➶ Hope This Helps You!
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David and Tonya each cut a cylinder in half. The cross-section that results from David's cut is a rectangle. The cross-section that results from Tonya's cut is a circle.
Answer:
Tonya cut the cylinder vertically and David cut it diagonally.
David’s cut along the length of his cylinder resulted in a rectangular cross-section, while Tonya’s perpendicular cut resulted in a circular cross-section. This illustrates principles of geometric cross-sections and plane intersections with solids.
Explanation:In the problem described, David and Tonya are each cutting a cylinder, a geometric shape. The cuts they make, and the cross-sections they create, depend on the orientation of their cuts in relation to the shape of the cylinder.
When David cuts the cylinder, his cross-section result is a rectangle. This implies that he made a longitudinal cut along the length of the cylinder, essentially splitting it from top to bottom.
When Tonya cuts her cylinder, the cross-section is a circle. This means she made a cross-sectional cut perpendicular to the length of the cylinder, slicing it into two equal half cylinders.
This problem illustrates the principles of geometric cross-sections and plane intersections with solids, which are part of the broader field of study in geometry.
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HELP CHECK MY ANSWERS, TY!
The graph shows the vertical position of a ball attached to a spring oscillating between a low point and a high point as a function of time.
Select all statements that describe the graph.
Answer:
That is correct
Step-by-step explanation:
When doing the math you can find that b and d are correct
Answer:
Step-by-step explanation:
Here all the statement describing the graph.
1- the cycle of the graph is 2 second.
2- mid-line of the graph is at y=0
3- amplitude is 24 i.e 12 unit + 12 unit
4- ball is traveling 24 cm in 1 sec. I.e. 12 unit in 0.5 sec and another 12 units in 0.5 sec.
HELP PLEASE!
Find the exact values of cos and sin for the angle measure. 180 degrees
Answer:
[tex]\large\boxed{\sin180^o=0\ and\ \cos180^o=-1}[/tex]
Step-by-step explanation:
[tex]\text{Use}\\sin(2\theta)=2\sin\theta\cos\theta\\\\\cos(2\theta)=\cos^2\theta-\sin^2\theta\\\\180^o=2(90^o)\\\\\sin90^o=1\\\\\cos90^o=0\\===================\\\\\sin180^o=\sin(2\cdot90^o)=2\sin90^o\cos90^o=2(1)(0)=0\\\\\cos180^o=\cos(2\cdot90^o)=\cos^290^o-\sin^290^o=0^2-1^2=-1[/tex]
A. concave dodecagon
B. Concave hexagon
C. Convex hexagon
D. Convex dodecagon
Answer:
bro whats the question
Step-by-step explanation:
James thought of a number and divided it by 9.
What can he do to get back his original number?
A) multiply by 9.
B) add 9.
C) divide by 9 again.
D) subtract 9.
The correct answer is A.
Example: 36 divided by 9= 4 and 4 x 9 = 36
Example: 72 divided by 9= 8 and 8 x 9 = 72
Hope this helps.
To get back the original number after dividing by 9, one should multiply the result by 9, because multiplication and division are inverse operations.
The student's question asks: James thought of a number and divided it by 9. What can he do to get back his original number? The correct answer is (A) multiply by 9. When a number is divided by 9 to undo this operation one must multiply it by 9. This is because multiplication is the inverse operation of division. Therefore, if James wants to obtain his original number back, he should take the result he got after dividing by 9 and multiply it by 9.
Which of the following shows the correct order of the numbers below?
First who answers will get brainlyest
Answer:
c)
Step-by-step explanation:
if you look at option c it would be correct because 0.75 (3/4) is bigger than 0.7. Then 11/12 is a bigger proportion then 0.75. there for your answer is correct.
The correct order of the numbers given when converted to decimals for easy comparison is 0.7, 3/4 and 11/12, which corresponds to option b: 0.7 < 3/4 < 11/12.
Explanation:This is a question about comparing and ordering fractions and decimals. To answer this, we first need to convert all the numbers into the same format. We can convert the fractions 11/12 and 3/4 into decimals for easier comparison.
First, to convert 11/12 to a decimal, you'll do the division to find approximately 0.9167. Secondly, 3/4 can be converted to a decimal by performing 3 divided by 4, which equals 0.75. Now, we can easily compare these decimals to 0.7.
From this, we can see that 0.7 is less than 0.75 (3/4) and both 0.7 and 0.75 are less than 0.9167 (11/12). So the correct order of the numbers from least to greatest would be 0.7 < 3/4 < 11/12.
So the correct option is b. 0.7 < 3/4 < 11/12.
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What is the least common multiple (LCM) of 3 and 7?
it is 21 :)))))))))))))))
let's find the least common multiple (LCM) of 3 and 7 is 21.
List the multiples of each number.
Multiples of 3: 3, 6, 9, 12, 15, 18, 21, ...
Multiples of 7: 7, 14, 21, 28, 35, 42, ...
identify the common multiples.
The common multiples of 3 and 7 are the numbers that appear in both lists. In this case, the number 21 is the smallest positive integer that appears in both lists Determine the LCM.
the LCM of 3 and 7 is 21.
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Please help if possible.............
Answer:
y = 16
Step-by-step explanation:
The opposite angles of a parallelogram are congruent, hence
10y - 29 = 7y + 19 ( subtract 7y from both sides )
3y - 29 = 19 ( add 29 to both sides )
3y = 48 ( divide both sides by 3 )
y = 16
A recent survey by the cancer society has shown that the probability that someone is a smoker is P(S)=0.19. They have also determined that the probability that someone has lung cancer, given that they are a smoker is P(LC|S)=0.158. What is the probability (rounded to the nearest hundredth) that a random person is a smoker and has lung cancer P(S∩LC) ?
0.35
0.03
0.02
0.83
Answer:
P (S∩LC) = 0.03
Step-by-step explanation:
We are given that the probability that someone is a smoker is P(S)=0.19 and the probability that someone has lung cancer, given that they are a smoker is P(LC|S)=0.158.
Given the above information, we are to find the probability hat a random person is a smoker and has lung cancer P(S∩LC).
P (LC|S) = P (S∩LC) / P (S)
Substituting the given values to get:
0.158 = P(S∩LC) / 0.19
P (S∩LC) = 0.158 × 0.19 = 0.03
Suppose x is any positive number. Circle 1 has a center at (−2, 7) and a radius of 8x. Circle 2 has a center at (−3, 0) and a radius of 5x. Why is Circle 1 similar to Circle 2?Circle 1 and Circle 2 have the same area, and Circle 1 has a radius 0.625 times longer than Circle 2.Circle 1 is a translation of 1 unit right and 7 units up from Circle 2, and a dilation of Circle 2 with a scale factor of 1.6.Circle 1 is a translation of 1 unit right and 7 units up from Circle 2, and a dilation of Circle 2 with a scale factor of 0.625.Circle 1 and Circle 2 have the same circumference, and Circle 1 has a radius 1.6 times the length of Circle 2's radius.
Answer:
The correct answer is "Circle 1 is a translation of 1 unit right and 7 units up from Circle 2, and a dilation of Circle 2 with a scale factor of 1.6"
Step-by-step explanation:
We can tell this because first they identify the movement properly. When going from (-3, 0) to (-2, 7), we move to the right one and up 7.
Also, we know there is a scale factor of 1.6, because when we look at the radius of each circle, we can divide and find that factor.
8x/5x = 1.6
Before she went on a diet, Jenna's waist measured 32.45 inches.After the diet, it measured 26.97 inches.How many inches did Jenna lose?
Answer:
5.48
Step-by-step explanation:
32.45 - 26.97 = 5.48
Answer:
Jenna lost 5,48
Step-by-step explanation:
Before the diet Jenna's waist measured 32.45 inches.
After the diet Jenna's waist measured 26.97 inches.
To get the difference between the two measures, we have to discount the new measure from the previous one.
So, difference is 26.97 inches-32.45 inches= -5,48. It is negative because she lost inches.
(1CQ) Write the repeating decimal as a fraction .51
Answer: Your answer is 17/33! Hope this helps. If you need anymore help let me know!
For this case we must indicate the representation in the form of a fraction of the following decimal number:
0.51 periodic number
Option A:
[tex]\frac {17} {100} = 0.17[/tex]
Option B:
[tex]\frac {51} {100} = 0.51[/tex]
Option C:
[tex]\frac {17} {33} = 0.51515151[/tex]
Option D:
[tex]\frac {51} {33} = 1.5454[/tex]
So, the correct option is C
Answer:
Option C
If the outside temperature ranges from -5 degrees c to 40 degrees c, find the range in degrees fahrenheit.
Answer: -109
Step-by-step explanation:
if you make celcius into fahrenheit,
-5 degrees becomes 23 degrees
40 degrees becomes 104 degrees
-5 + 104 = -109
Answer:
Step-by-step explanation:
Please help!!!
The area of the green square is 9 ft2. The area of the yellow square is 25 ft2.
What is the area of the red square (labelled "b" in the diagram)?
Answer:
the answer is 16Ft^2
Step-by-step explanation:
Square A's area is 9 so take its square root =3
then do the same for Square c =5
then use pythagram theory which is
3^2 + 5^2 = 4^2 = 16
Answer:
area = 16 ft²
Step-by-step explanation:
The area of the green square = 9 ft²
area of the yellow square = 25 ft²
Area of the red square can be computed as follows:
area of a square = L²
Since one side of each triangle forms a part of the triangle knowing the length of sides of the green and yellow triangle can be use to get the sides of the red square and invariably the area.
Green square
L² = 9
square both sides
√L² = √9
L = 3 ft
Yellow square
L² = 25
square both sides
√L² = √25
L = 5 ft
use Pythagoras theorem to get the third side of the triangle which is the b
c² = a² + b²
b² = c² - a²
a = 3 ft
c = 5 ft
b² = 5² - 3²
b² = 25 - 9
b² = 16
square both sides
√b² = √16
b = 4
Red square
area = L²
area = 4²
area = 16 ft²
Find the surface area of the figure
Answer:
[tex]\large\boxed{S.A.=1,119\ in^2}[/tex]
Step-by-step explanation:
We have:
two triangles with base b = 17in and height h = 7in
two rectangles with length l = 17in and width w = 10in
two rectangles with length l =11in and width w = 10in
one rectangle with length l = 8in and width w = 11in
one rectangle with length l = 15in and width w = 11in
one rectangle with length l = 17in and width w = 11in
The formula of an area of a triangle:
[tex]A_\triangle=\dfrac{bh}{2}[/tex]
b - base
h - height
The formula of an area of a rectangle:
[tex]A_{\boxed{\ }}=lw[/tex]
l - length
w - width
Calculate:
[tex]A_\triangle=\dfrac{(17)(7)}{2}=59.5\ in^2\\\\A_1=(17)(10)=170\ in^2\\\\A_2=(11)(10)=110\ in^2\\\\A_3=(8)(11)=88\ in^2\\\\A_4=(15)(11)=165\ in^2\\\\A_5=(17)(11)=187\ in^2[/tex]
The Surface Area:
[tex]S.A.=2A_triangle+2A_1+2A_2+A_3+A_4+A_5[/tex]
Substitute:
[tex]S.A.=2(59.5)+2(170)+2(110)+88+165+187=1,119\ in^2[/tex]
Which expression is equivalent to sqr 400i8j4k6
I have attached the correct answer. Brainliest will be much appreciated!
Mr. Fox took 3,648 pieces of candy and divided it into treat bags of 14 pieces of candy each. How many treat bags was he able to make with the candy?
3 /(6x4 x7x7 x1(6 would be 11 because the power of 3x11 would be 33 leaving it to the power of 11
In last year, San Diego basketball team won 32 games, and lost 8 games. What percent of the games were won?
Answer:
80%
Step-by-step explanation:
The total amount of games last year was 40.
32 + 8 = 40
question says the percent of games were won which means 32/40
In percentage, it means 80%
If the apy of a saving account is 2.8% and if the principal in the savings account is $2600 for an entire year, what will be the balance of the savings account after all the interest is paid for the year
Answer:
[tex]\$2,672.80[/tex]
Step-by-step explanation:
we know that
The simple interest formula is equal to
[tex]A=P(1+rt)[/tex]
where
A is the Final Investment Value
P is the Principal amount of money to be invested
r is the rate of interest
t is Number of Time Periods
in this problem we have
[tex]t=1\ year\\ P=\$2,600\\r=0.028[/tex]
substitute in the formula above
[tex]A=\$2,600(1+0.028*1)=\$2,672.80[/tex]
Which expression can you use to find the slope of the line containing the points -3, 2 and 7 , -1
Use the formula y1-y2/ x1-x2. 2+1/-3-7= 3/-10
In circle O, the measure of ∠ROW is 110°. What is the measure of arc RAW?
Answer:
250°
Step-by-step explanation:
We know that a circle has a total of 360°.
Now we know that ∠ROW is 110° and that Arc RAW has the same End points as ∠ROW.
We can safely assume that arc RAW will be the difference of ∠ROW and 360°.
So we then get:
360° - 110° = 250°
This means that Arc RAW will be 250°
An amusement park ride has cars that move around a circular track at the rate of 16 revolutions in 20 seconds. To the nearest hundredth, the angular velocity of the cars is radians per second.
Answer:
[tex]5.03\frac{rad}{sec}[/tex]
Step-by-step explanation:
To find the angular velocity divide the revolutions by the time
so
[tex]\frac{16}{20}=0.8\frac{rev}{sec}[/tex]
Remember that
[tex]1\ rev=2\pi \ rad[/tex]
Convert rev/sec to rad/sec
[tex]0.8\frac{rev}{sec}=0.8*(2\pi)=1.6 \pi\frac{rad}{sec}[/tex]
assume [tex]\pi=3.1416[/tex]
[tex]1.6(3.1416)=5.03\frac{rad}{sec}[/tex]
Answer:
5.03
Step-by-step explanation:
Use the x-intercept method to find all real solutions of the equation.
x^3-11x^2+31x-21=0
Answer:
c. [tex]x=1,3,\:or\:7[/tex]
Step-by-step explanation:
The given equation is
[tex]x^3-11x^2+31x-21=0[/tex]
To find all real solutions using the x-intercept method, we to graph the corresponding function using a graphing tool.
The corresponding function is;
[tex]f(x)=x^3-11x^2+31x-21[/tex]
From the graph the x-intercepts are
(1,0),(3,0) and (7,0).
Therefore the real solutions are
[tex]x=1,3,\:or\:7[/tex]
Answer:
C. is the answer
Step-by-step explanation:
We have 7 sandwiches. Everyone ate 1/4 sandwich for a snack. How many people had sandwiches
By dividing the 7 sandwiches into quarters, 28 quarters are available, allowing for 28 people to have 1/4 sandwich each.
The student has asked: "We have 7 sandwiches.
Everyone ate 1/4 sandwich for a snack.
To find out how many people can have sandwiches, we first need to understand how much of a sandwich each person gets.
Since each person ate 1/4 of a sandwich, we can take the total number of sandwiches (7) and divide them into quarters, giving us [tex]7 * 4 = 28[/tex] quarters of sandwiches.
Since each person eats one quarter, 28 people can have sandwiches.
A college football stadium holds 45,000 fans. In a random sample of 30 fans, 26 were wearing the colors of the home team. Predict the number of fans who are wearing the colors of the home team.
Answer:
38,999
Step-by-step explanation:
In your sample you have 26 out of 30. I like to get that number into a percentage, so you do 26 divided by 30
26/30 = .8666
Then you take your total amount of fans, 45,000 and multiply it by your percentage wearing team colors.
45,000 x .8666 = 38,999.97
Since you can't have .97 of a person, your round it down to 38,999.