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o-na [289]
3 years ago
9

it cost $7.50 to enter a petting zoo. Each cup of food to feed the animals is $2.50. if you have $12.50, how many cups can you b

uy? Use a bar diagram to solve arithmetically. Then use an equation to solve algebraically
Mathematics
1 answer:
Ganezh [65]3 years ago
6 0
Let y be your total moneyx is the number of cup of food you can buym is the cost per cup of food to feed the animalb is the cost to enter the petting zoo
y = mx + bsubstitute the given values
12.50 = 2.50x + 7.50solve for x
12.50 - 7.50 = 2.50x5 = 2.50xx = 5 / 2.50x = 2 cups of food you can buy
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A grocery store sells bags of oranges in two different sizes the 3 pound bag $4 the 8 pound bag cost $9 which cost less
timofeeve [1]

Answer:

The 8 pounds bag

Step-by-step explanation:

Case 1 :

a pound cost 4/3

case 2 :

a pound cost 9/8

4×8 > 9×3

then

\frac{4}{3} >\frac{9}{8}

Therefore the 8 pound bag costs less

7 0
4 years ago
What is 127 as a percent?
kondor19780726 [428]

Hello!

The answer is 127,000%

3 0
3 years ago
How many, Inch cubes fit into a rectangular prism that measures 4 Inches long, 5 Inches wide, and
kramer
780 (or c)


I think this is correct because 4 x 5 = 20 x 5 = 100 and 100 x 5 = 500

500 + 280 = ????

780
8 0
3 years ago
Please help with this question!! I need serious help!!
asambeis [7]

Answer:

<h2>The circumference is multipled by 4.</h2>

Step-by-step explanation:

The formula of an area of a circle"

A=\pi r^2

The formula of a circumference of a circle:

C=2\pi r

The area multipled by 16:

16A=16\pi r^2\\\\16A=\pi(4^2r^2)\\\\16A=\pi(4r)^2

The radius has increased fourfold, therefore:

C'=2\pi(4r)=4(2\pi r)=4C

The circumference is multipled by 4.

You can calculate the area and check the circumference:

r=11.6\ in\\\\A=\pi(11.6)^2=132.56\pi\\\\16A=(16)(134.56\pi)=2152.96\pi\ in^2

Calculate the radius:

\pi r^2=2152.96\pi             <em>divide both sides by π</em>

r^2=2152.96\to r=\sqrt{2152.96}\\\\r=46.4\ in

Calculate the circumference of both circles:

r=11.6\ in\\\\C=2\pi(11.6)=23.2\pi\ in

r=46.4\ in\\\\C'=2\pi(46.4)=92.8\pi\ in

\dfrac{C'}{C}=\dfrac{92.8\pi}{23.2\pi}=4\to C'=4C

5 0
3 years ago
20 POINTS PLZ HELP!!!!!!!!!!!!!!!!!!!!
mars1129 [50]

Answer:

a = 15

Step-by-step explanation:

First, you have to combine like terms: 5a and 3a, -5, -15, 6, and 4.

You can do it in any order and you will always get a = 15 for your answer.

Hope this helps!!!

3 0
4 years ago
Read 2 more answers
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