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GarryVolchara [31]

3 years ago

8

Mika paints the neighbors fence the cost of the paint was 96$ the neighbor paid Mika 15$ per hour create the equation that can b

e used to find the number of hours (h) it took Mika to paint the fence if her earnings were 174$ father paying out the cost of the paint

1 answer:

dolphi86 [110]3 years ago

5 0

Answer:

15h-96=174

Step-by-step explanation:

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the sum of the measures of the interior angels of a convex polygon is 3240 classify the polygon by the number of sides

Ipatiy [6.2K]

Answer:

20-gon

Step-by-step explanation:

First we start with the formula to find what the sum of angles will be if we know the number of sides.

S=(n-2)*180 where S is the sum of angles and n is the number of sides.

Normally you'd plug in n to find S, but you can do the opposite too.

3240=(n-2)*180

Let me know if you need help working it from here.

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3 years ago

5 multiplied by what= -1?

nadya68 [22]

-1/5 multiplied by 5 =-1

6 0

3 years ago

gizmo_the_mogwai [7]

1)how calendar relate to math?
<span>The numbers.
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Measurements.
For example:
2 eggs
1/4 cup of flour
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8 0

3 years ago

Read 2 more answers

You plant a rectangular rose garden along the side of your garage. You enclose 3 sides of the garden with 40 feet of fencing. Th

solmaris [256]

Let's assume

length of rectangle =L

width of rectangle =W

You enclose 3 sides of the garden with 40 feet of fencing

so, we get

$L+2W=40$

now, we can solve for L

$L=40-2W$

we know that

area of rectangle is

$A=L*W$

$100=L*W$

now, we can plug

$100=(40-2W)*W$

now, we can solve for W

$-2W^2+40W-100=0$

we can use quadratic formula

$W=\frac{-40+\sqrt{40^2-4\left(-2\right)\left(-100\right)}}{2\left(-2\right)}$

$W=\frac{-40-\sqrt{40^2-4\left(-2\right)\left(-100\right)}}{2\left(-2\right)}$

we can take anyone value ..because both are giving positive value

first dimensions:

$W=2.929$

now, we can find L

$L=40-2*2.929$

$L=34.142$

so, length is 34.142feet

width is 2.929 feet

Second dimensions:

$W=17.071$

now, we can find L

$L=40-2*17.071$

$L=5.858$

so, length is 5.858feet

width is 17.071 feet

6 0

3 years ago

You are planning a movie marathon. Each movie lasts 3/2 hours. You want to watch 4 movies nonstop. How many hours will your movi

Citrus2011 [14]

Answer:

Your movie marathon will last 6 hours.

Step-by-step explanation:

This question can be solved using a rule of three.

Each movie lasts $\frac{3}{2} = 1.5$ hours. How much do 4 movies last?

So

1 movie - 1.5 hours

4 movies - x hours

x = 4*1.5 = 6

Your movie marathon will last 6 hours.

5 0

3 years ago