Mathematics College

Anyone know the answers to these questions? If so please answer them and show work, correct answers will receive Brainliest

Answers

Answer 1

Sent you a picture of the solutions.

Related Questions

Koen works at the Middletown Cafe. This week he served a table a meal costing $53.69 and received a 15% tip. He received a tip of ____.

Answers

Since 15% = 0.15 (by moving the decimal 2 places to the left), we multiply 53.69 by 0.15 to get approximately $8.05 as his tip

Samah has made 20kg of chilli. There are 100g of chilli in a portion. how many portions of chilli has Samah made?

Answers

The answer is 200.

20kg of chilli is equal to 20,000g of Chilli
20,000g divided by 100g equals 200 100g servings of chilli

yup! 200 100g servings of chili 20kg =20000g 20000g ÷ 2 =200

The sides of a square bedroom measure 3.5 yards. If carpet costs $16 per square yard, how much will it cost to cover the floor?
A. $56
B. $98
C. $196
D. $224

Answers

You would do 3.5 * 16 = $56
Your answer is A. $56

Hope I helped :)

Answer:

ITS NOT A) $56

Step-by-step explanation:

I took the test! GOOD LUCK!

Ms. Smith has 28 sixth graders and 35 seventh graders for math. If she wants to break the two grades into identical groups without any students left over, how many students will be in each group? Is it lcm or gcf?

Answers

IT would be the least common factor

A jar of natural peanut butter normally cost four dollars today it's on sale for $3.60 what is the percentage of the discount

Answers

$4 is the original price of the jar consisting of peanut butter so therefor it = 100%. It's for sale at $3.60, so we divide $4 by 100% so we get the percentage for each cent and then we times it by 3.60 to get the percentage for $3.60 which is 90%. Now we subtract 90% from 100% to get the discounted percentage for 40cents :)

Which equation represents a line that passes through (5, 1) and has a slope of ?

A. y – 5 = (x –1)
B. y – = 5(x –1)
C. y – 1 = (x –5)
D. y – 1 = 5

Answers

the answer is c because
when you y -1 = ( x - 5)
1- 1 = 5 -5
0 = 0
where A y - 5 = ( x - 1)
1 - 5 = ( 5 - 1 )
-4 dosenot equal 4

[tex]\bf \begin{array}{lllll} &x_1&y_1\\ &({{ 5}}\quad ,&{{ 1}}) \end{array} \\\\\\ % slope = m slope = {{ m}}= \cfrac{rise}{run} \implies \cfrac{1}{2} \\\\\\ % point-slope intercept \stackrel{\textit{point-slope form}}{y-{{ y_1}}={{ m}}(x-{{ x_1}})}\implies y-1=\cfrac{1}{2}(x-5)\implies y-1=\cfrac{1}{2}x-\cfrac{5}{2} \\\\\\ y=\cfrac{1}{2}x-\cfrac{5}{2}+1\implies y=\cfrac{1}{2}x-\cfrac{3}{2}[/tex]

5.01×10 to the third power in standard form

Answers

The answer is 5,010.

Miguel score 35 fewer points in second bowling game than his first game his total score for the two games was 395 how many points did he score in each game? (plz show step by step)

Answers

so, let's say he scored "a" points in his first game. and "b" on the second.

his second game's score "b", and it was 35 fewer points, so is b=a - 35.

we also know that the total score for both games was 395, thus

[tex]\bf \begin{cases} a+\boxed{b}=395\\ a+\boxed{a-35}=395 \end{cases} \\\\\\ 2a-35=395\implies 2a=395+35\implies 2a=430\implies a=\cfrac{430}{2} \\\\\\ a=215[/tex]

how many did he score in the second game? well, b = a - 35.

What are the factors of 27

Answers

Factors of 27: 1, 3, 9, 27

Note that two negative factors such as -3 and -9 can also multiply to equal 27.

find the estimate for 4.185 divided by 0.93

Answers

4.5 is the answer to your question

The answer is 4.5 or if you want it as a fraction it would be 4 and 1/2.

What is the quotient of 0.8449 ÷ 0.71?

Answers

The answer is 1.19 :) hope this helps

1.19 I know he answered first

Sorry, but hope this helps!

You are deciding between two cell phone plans. Plan A: Unlimited text, talk, and data for $50 per month. Plan B: Unlimited text and data and 100 minutes of talk for $40, plus $0.20 per minute of talk after 100 minutes. At how many minutes of talk are the plans equal?

Answers

Sent a picture of the solution to the problem (s).

Two or more expressions with an equal sign is called as Equation. If Plan A: Unlimited text, talk, and data for $50 per month. Plan B: Unlimited text and data and 100 minutes of talk for $40, plus $0.20 per minute of talk after 100 minutes. Then after 150 minutes plan A and plan B are equal.

What is Equation?

Two or more expressions with an equal sign is called as Equation.

Given that,

Plan A: Unlimited text, talk, and data for $50 per month.

Plan B: Unlimited text and data and 100 minutes of talk for $40, plus $0.20 per minute of talk after 100 minutes.

We need to equation plan A and plan B

Plan A= Plan B

50=40+0.20(m-100)

Use distributive property on Right hand side

50=40+0.20m-20

Subtract 20 from 40 on right hand side

50=20+0.20m

Subtract 20 on both sides

30=0.20m

Divide both sides by 0.20

150=m

Hence After 150 minutes of talk Plan A and Plan B are equal.

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Jonah is playing a video racing game called Checkpoint. The speed of Jonah’s car is recorded four times during one lap. At the first checkpoint, his speed is 80 miles per hour. At the second checkpoint, his speed has reduced by 5%. At the third checkpoint, Jonah’s speed has increased by the speed from the previous checkpoint. At the fourth checkpoint, his speed decreased by 20% compared with the third checkpoint. What is Jonah’s net change in speed between the first and fourth checkpoints?

Answers

Answer:

negative 15 is your answer

Step-by-step explanation:

the last number was negative so it would be negative 15

Answer:

-15

Step-by-step explanation:

yes

Suzanne can read 1 page in 3 minutes. How many pages can she read in 5 hours?

Answers

5h= ? min
1h= 60 min
5x60= 300 min

1 page read in 3 min.
300 min /3 min = 100.
In 5 h, 100 pages can be read.

A wall in Maria’s bedroom is in the shape of a trapezoid. The wall can be divided into a rectangle and a triangle.

Using the 45°-45°-90° triangle theorem, find the value of h, the height of the wall.

Answers

Final answer:

Using the 45°-45°-90° triangle theorem in a right triangle, where 'a' represents the triangle's leg that is also the trapezoid's height, 'h' equals 'a' and the hypotenuse is 'a' times √2. Additional information would be needed to solve for a numerical value of 'h'.

Explanation:

In this problem, the wall's shape is a trapezoid, and we are using the 45°-45°-90° triangle theorem to find 'h', the height of the wall. We know in a 45°-45°-90° triangle, the two legs are congruent (same length), and the length of the hypotenuse is √2 times the length of a leg (based on Pythagorean theorem). In this case, if 'a' is the length of the triangle's leg connected to the rectangle, then 'h' would be equal to 'a' (since they are the legs in a 45-45-90 triangle), and the hypotenuse would be a√2.

Given an additional variable or measurement in this problem such as the length of the wall or the hypotenuse of the triangle, we could plug it in to solve for 'h'. Without additional information, the exact numerical height cannot be determined.

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Jon bought 1 2⁄3 pounds of green peppers and 3⁄5 pound of yellow peppers. How much more did the green peppers weigh than the yellow peppers?

Answers

Jon bought 1 and 7/10 more of green peppers than yellow

Subtract 3/5 from 1 2/3.

Re-write the problem as "subtract 3/5 from 5/3."

5 3
--- - -----
3 5

Note that the LCD here is (3)(5) = 15.
Multiply 5/3 by (15/15) and also multiply 3/5 by (15/15). Your result should be

25 9
------- - -----
15 15

Subtracting, we get 16/15. This is the answer. The green peppers weighed 16/15 lb, or 1 1/15 lb, more than did the other peppers.

The cost of two mopeds is the same as the cost of seven bicycles. The cost of one bicycle is $152. Therefore, the cost of one moped is

Answers

1 bike = 152

7 bikes = 152*7 = 1064

1 moped = 1064/2 = $532

A scientist mixes water (containing no salt) with a solution that contains 40% salt. She wants to obtain 200 ounces of a mixture that is 5% salt. How many ounces of water and how many ounces of the 40% salt solution should she use?

Answers

If it's 5 percent salt, 5 percent = 0.05 and 0.05*200=10 (which is 5% of 200), therefore showing us that we need 10 ounces of salt. From a 40% solution (0.4), we need to figure out how many times 0.4 goes into 10, which is 10/0.4=25, showing us that we need 25 ounces of the salt solution. 200-25=175 ounces left for water

The scientist should use 100 ounces of water and 20 ounces of the 40% salt solution to make 200 ounces of a mixture that is 5% salt.

What is percentage?

A value or ratio that may be stated as a fraction of 100 is referred to as a percentage in mathematics. If we need to calculate a percentage of a number, we should divide it by its entirety and then multiply it by 100. The proportion therefore refers to a component per hundred. Per 100 is what the word percent means. The letter "%" stands for it.

The concepts of counting are permutation and combination, and they are used in a variety of contexts. A permutation is a list of the various configurations that can be created from the given set of items. Details are crucial in permutation because the order or sequence is crucial. The order in which the names of the three countries are written matters, whether they are written as "USA, Brazil, Australia" or "Australia, USA, Brazil" or "Brazil, Australia, USA." When combined, the names of three nations form a single unit, regardless of their chronological order

If it's 5 percent salt, 5 percent = 0.05 and 0.05*200=10 (which is 5% of 200), therefore showing us that we need 10 ounces of salt. From a 40% solution (0.4), we need to figure out how many times 0.4 goes into 10, which is 10/0.4=25, showing us that we need 25 ounces of the salt solution. 200-25=175 ounces left for water

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The campsite is square in shape and has a length of 65 metres.
What is the area of the campsite?

Answers

Thanks for asking a question!

Area of square = length*length

Applying this:

65*65
4225 square metres

Hope this helped!

Which expression represents the number of possible combinations of n items taken r at a time?

Answers

Answer:

[tex]^nC_r=\frac{n!}{r!(n-r)!}[/tex]

Step-by-step explanation:

Given :Total items = n

Items taken at a time = r

To Find: Which expression represents the number of possible combinations of n items taken r at a time?

Solution:

We will use combination over here.

[tex]^nC_r=\frac{n!}{r!(n-r)!}[/tex]

Now Total items = n

Items taken at a time = r

Thus expression represents the number of possible combinations of n items taken r at a time is [tex]^nC_r=\frac{n!}{r!(n-r)!}[/tex]

What is the lateral area of the pyramid?

Answers

9*12.3 = 110.7

11*11.9 = 130.90

130.90 + 110.70 = 241.6 ft^2

Answer:

Step-by-step explanation:

Alright, lets get started.

The lateral area will be the area of all 4 sides.

The two sides have base length 11 feet and height of 11.9 feet.

The area of this side is : [tex]\frac{1}{2}*base*height[/tex]

The area of this side is : [tex]\frac{1}{2}*11*11.9=65.45[/tex]

The two sides have base length 9 feet and height 12.3 feet.

The area of this side is : [tex]\frac{1}{2}*9*12.3=55.35[/tex]

All 4 sides area will be : [tex]2(65.45+55.35)[/tex]

All 4 sides area = 241.6 square feet

Hence the lateral area will be 241.6 square feet : Answer B

Hope it will help :)

Round 6,482 to the nearest ten hundred

Answers

6,500 because 482 is closer to 500 than to 400

Where did the Maya's lived?

Thanks,
-Laura B

Answers

The ancient Mayans lived in what is now known as southern Mexico and northern Central America including Guatemala, Belize, Honduras, Yucatán Peninsula and El Salvador

The Mayans lived, hmm, where is now know as Southern Mexico and northen Central America, including lots of countrys in their. etc, Guatemala, Belize, El Salvador

The ancient Mayans lived in what is now known as southern Mexico and Northern Central America, including Guatemala, Belize, Honduras, Yucatán Peninsula, and El Salvador.

I hope this helps! :>

Graph the image of the given triangle after the transformation with the rule (x, y)→(x−1, y+2) . Select the "Polygon" button from the tool bar to plot your triangle. You may use the "Move" button to move the triangle after it is created. PolygonMove UndoRedoReset

Answers

The transformation is merely a translation of points vertically and horizontally. The original triangle must have its original coordinates. All you have to do is subtract 1 from their x-coordinate, and add 2 units to their y-coordinates. For example, if the original coordinate is (1,2), then the translated point would now be (0,4). Once you get all the translated points, you can plot them as the new translated triangle.

Answer:

Hope this helps

Step-by-step explanation:

The sales tax on the purchase of a futon is $34.1634.16. If the tax rate is 77%, find the purchase price of the futon.

Answers

so, the tax which is 77% of the price is 34.16, so say the futon is "x" worth.

so, "x" is the 100%, and we know that 34.16 is the 77%, what's "x"?

[tex]\bf \begin{array}{ccll} amount&\%\\ \text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\ x&100\\ 34.16&77 \end{array}\implies \cfrac{x}{34.16}=\cfrac{100}{77}\implies x=\cfrac{34.16\cdot 100}{77}[/tex]

Final answer:

To find the purchase price of the futon, divide the sales tax by the tax rate. The purchase price is approximately $44.48.

Explanation:

To find the purchase price of the futon, we need to divide the sales tax by the tax rate. Let's call the purchase price P. We can set up the equation as: 0.77P = 34.16. To solve for P, we divide both sides of the equation by 0.77. P = 34.16 ÷ 0.77. Using a calculator, the purchase price of the futon is approximately $44.48.

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Find the area of a right triangle with sides 10.0 cm , 24.0 cm , and 26.0 cm . express your answer with the correct number of significant figures.

Answers

This is a right triangle because 10, 24, 26 satisfies the Pythagorean Theorem.
Therefore the 2 legs are 10 and 24.
Area = 10 x 24 /2 = 120 cm^2

anybody can help I need it by today at 4 pm please please please please please please help

Answers

Let's define our time dimension as t=0 in minutes at 9 AM. This means that Andy leaves at t=0 and Bernard leaves at t=330 (2:30PM is 5.5 hours later, which is 5.5*60=330 minutes later).

The speeds have to be converted to km/min as well:

88 km/h = 88/60 km/min
76 km/h = 76/60 km/min

Let's define the location dimension x as x=0 at Town A, then x=976 in Town B.

With this we can set up two location equations:

Andy: x(t) = 88/60 t
Bernard: x(t) = 976 - 76/60 t

When they meet, the equations are equal, so we solve t for:

88/60 t = 976 - 76/60 t => t=510

Convert this number back to a clock time by adding 510 minutes to 9 AM, and you get 5:30 PM.

what is 11.4 rounded to the nearest tenth

Answers

Rounded to the nearest tenth, 11.4 becomes 11.4.

When rounding a number to the nearest tenth, you look at the digit in the hundredths place.

If it's 5 or greater, you round up; if it's less than 5, you round down. In 11.4, the digit in the tenths place is 4, which is less than 5.

Therefore, 11.4 remains unchanged when rounded to the nearest tenth, resulting in 11.4.

This means the number stays the same, as it's already accurately represented to the nearest tenth without needing any adjustments.

-2(x-3)+5x+7=3(4-3x)+12x-9

Answers

-2(x-3)+5x+7=3(4-3x)+12x-9
-2x + 6 + 5x + 7 = 12 - 9x + 12x - 9
3x + 13 = 3x + 3
0 = -10

No solution

-2(x-3)+5x+7=3(4-3x)+12x-9 - problem
-2x+6+5x+7=3(4x-3x)+12x-9 - distributive property
5x-2x+6+7=3(4x-3x)+12x-9 - combine like terms
3x+13=3(4x-3x)+12x-9 - combine like terms
3x+13=12x-9x+12x-9 - distributive property
3x+13=3x+12x-9 - combine like terms
3x+13=15x-9 - combine like terms
13=12x-9 - subtract 3x from both sides
22=12x - add 9 to both sides
x=0.5454

Compare the values of the two 8s in the number 467882

Answers

One 8 is in the tens place while one is in the hundreds place or 10(80) compared to 100 (800).

Final answer:

The two 8s in the number 467882 have different values based on their positions. The first 8 is worth 80 while the second 8 is worth 8.

Explanation:

The number 467882 has two 8s. The first 8 is in the tens place and the second 8 is in the ones place. The value of the first 8 is 8 times the value of the place it is in (or 8 x 10 = 80). The value of the second 8 is 8 times the value of the place it is in (or 8 x 1 = 8).

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