Mathematics High School

Barbara requires 2 gallons of paint to cover an area of 800 square feet. Identify the graph for the relationship from quantity to the area covered, and the parent function that best describes it. Then use the graph to estimate how many gallons of paint Barbara requires to paint an area of 2,400 square feet.

Answers

Answer 1

Answer:

Step-by-step explanation:

x = area to be painted

y = gallons of paint needed

we know already one point of that function/graph :

x = 800

y = 2

so, for a simple relationship between the 2 variables we can assume

y = ax

2 = a×800

a = 2/800 = 1/400

so, we get

y = (1/400) x

for 2400 ft²

y = 1/400 × 2400 = 1/4 × 24 = 24/4 = 6

she needs 6 gallons of paint for 2400 ft².

Answer 2

6 gallons of paint are required to cover 2400 ft² area.

Graph options aren't given ; however, we could still obtain the required solution using the information given :

2 gallons covers 800 ft²

Let the number of gallons to cover 2400 feets = x

Using cross multiplication :

2 gallons = 800 feets

x gallons = 2400 feets

Cross multiply :

800 × x = 2400 × 2

800x = 4800

Divide both sides by 800

x = 4800 / 8

x = 6

Hence, 6 gallons of paint are required to cover 2400 ft².

Learn more : https://brainly.com/question/18109354

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Answer:

Step-by-step explanation:

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Answer:

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15 people fit comfortably in a 6 feet by 6 feet area. Use this value to estimate the size o a crowd that is 30 feet deep on both sides of the street along a 2-mile section of a parade route. (Hint: 1mile= 5,280ft)

Answers

158,400 people will fit into an area with a dimension of 30feets by 2 miles.

The area of the street can be calculated thus :

Area = Length × width

Converting the width to feets :

1 mile = 5280 feets

2 miles = x

Cross multiply :

x = 5280 × 2 = 10560 feets

Area = 10560 ft × 30ft = 316800 ft²

Since 15 people fit into an area with dimension which is 6 ft by 6ft

Area = 6 × 6 = 36 ft²

Let x = number of people

15 people = 36 ft²

x people = 316800 ft²

Cross multiply :

x = (316800 × 15) / 36

x = 158,400 people

Hence 158,400 people will fit in.

A similar question can be found here : https://brainly.com/question/13081090

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Answer:

Step-by-step explanation:

Those two angles are equal. They are corresponding angles. In two parallel lines crossed by a transversal. 8 angles are produced. 4 have one value and the other 4 are supplementary to the first four.

These 2 are part of the first group of 4.

So 12x - 8 = 104

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x = 9 1/3

Graph each system. Tell whether the system has no solution, one solution, or infinitely many solutions. y=2x-3 y=-x+3

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hope it is help full

Step-by-step explanation:

mark me a brainlist

r-6

--------- = - 3

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Answers

Answer:

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Step-by-step explanation:

I divide my favorite number by its reciprocal , the quotient is 10 times as large as my favorite number. My favorite number is..

A. 1/10
B. 1/5
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Answers

Answer:

1/10

Step-by-step explanation:

Answer:

Step-by-step explanation:

x is the favorite number

x÷[tex]\frac{1}{x}[/tex] = 10x (flip the fraction and multiply)

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x=10

A truck can be rented from Company A for $120 a day plus $0.20 per mile. Company B charges $60 a day plus $0.40 per mile to rent the same truck. Find the number of miles in a day at which the rentals cost for company A and company B are the same.

please help..

Answers

Answer:

12 miles in a day.

Step-by-step explanation:

Variable x = number of miles

Company A: 120 + 0.20x

Company B: 60 + 0.40x

Set up an equation:

120 + 0.20x = 60 + 0.40x

60 + 0.20x = 0.40x

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24 24 24 न 20 22 17 many b) Karma spends, 3 hrs everyday leaming music. How hours does e she spend learning music o in a week? 기can anyone pls tell me answer

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Answer:

......................

4. Your gross pay is $459, they take out 6.25% for income taxes and 7.65% for FICA
(Social Security & Medicare). How much is your net pay?

Answers

If you work for an employer, you and your employer each pay a 6.2 percent Social Security tax on up to $142,800 of your earnings and a 1.45 percent Medicare tax on all earnings.

Answer:

6.25%*459=28.6875

7.65%*459=35.1135

19 of 25 QID: 94600

For the function f(x) = x2 + 4, identify the values of f(0), f(1/2), and f(−1).

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Answer:

4; 17/4; 5

Step-by-step explanation:

For f(0)

Replace all x to 0:

f(0)=0^2+4

For f(1/2)

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For f(-1)

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215
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Answer:

The choose B.

[tex] \frac{2^{15} }{ {4}^{10} } [/tex]

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Step-by-step explanation:

[tex]here \: c \: is \: the \: \: mid \: point \\ so \: bc = cd \\ 6x - 16 = 4x + 10 \\ x \: terms \: togather \\ 6x - 4x = 10 + 16 \\ 2x = 26 \\ x = \frac{26}{2} \\ x = 13 \\ thank \: you[/tex]

Answer:

x=13

Step-by-step explanation:

BC = CD

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Subtract 4x from each side

6x-16-4x = 4x+10-4x

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pls answer my question

Answers

Hello!

In this question, you are finding the square root of 100-84.

The first thing you should do is do whatever is inside the square root sign. So, do 100-84:

100-84= 16

Now, you can take the square root of that number. Taking the square root means which number, when multiplied by itself, equal the number under the square root sign? In this case, the answer is 4!

This is because 4 multiplied by itself ( 4 times 4) is 16!

Answer: 4

I hope this helped! Comment if you have questions!

Answer:

have a great day

god is great

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ᴍᴀᴛʜ ᴇxᴘᴇʀᴛꜱ ᴏɴʟʏ

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Answer:

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Step-by-step explanation:

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Answers

Answer:

D. 216/625

Step-by-step explanation:

The length of the segment JM is 25 units.The segment JL is between 0 and 12, so is 12 units.The segment KL is between 5 and 12, so is 7 units.

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P(point on JL) = 12/25P(point not on KL) = 1 - 7/25 = 18/25

Required probability:

P = 12/25*18/25 = 216/625

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Answers

Answer:

Length = 28

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Step-by-step explanation:

14 + 28 = 42

42 x 2 = 84

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5 - (4 + 2)² = 5 - 6² =

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Step-by-step explanation:

Answer:

I think (x+4) (x+4) is right answer.

Step-by-step explanation:

here,

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=x2+(4+4)x+ 16

=x2+4x+4x+16

=x(x+4)+4(x+4)

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