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3 years ago

Ronnie purchased a lawn mower. the cost of the mower, including an 8% sales tax, was $648. find the cost of the mower before tax

Mathematics

1 answer:

saul85 [17]3 years ago

6 0

I think the answer is 596.16

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Michele wanted to measure the height of her school’s flagpole. She placed a mirror on the ground 48 feet from the flagpole, then

yulyashka [42]

Height of the flagpole = x
distance from flagpole to the mirror = 48 ft
height of Michele = 5 ft
distance from Michele to the mirror = 12 ft

Now, set the proportion.

x/48 = 5/12
48 * x/48 = 5/12 * 48
x = 240/12
x = 20

So, the height of the flagpole is 20 ft.

HOPE THIS HELPS!!!!

5 0

3 years ago

Find the value of x.

Dafna11 [192]

Answer:

61.7

we have:

cos 56⁰.x = 30/tan 41⁰

$x = \frac{30}{ \tan(41 {}^{0} ) \cos(56 {}^{0} ) } = 61.7$

6 0

2 years ago

What curve passes through the point (1 ,2) and has an arc length on the interval [2,6] given by Integral from 2 to 6 StartRo

Georgia [21]

Answer:

Step-by-step explanation:

Given

Length of curve

$L=\int_{2}^{6}\sqrt{1+64x^{-6}}dx$

Length of curve is given by

$L=\int_{a}^{b}\sqrt{1+\left ( \frac{\mathrm{d} y}{\mathrm{d} x}\right )^2}dx$ over interval a to b

comparing two we get

$\frac{\mathrm{d} y}{\mathrm{d} x}=8x^{-3}$

$dy=8x^{-3}dx$

integrating

$\int dy=\int 8x^{-3}dx$

$y=-4x^{-2}+C$

Curve Passes through (1,2)

$1=-4+C$

$C=5$

curve is

$y+\frac{4}{x^2}=5$

3 0

3 years ago

Mira's kitchen sink holds up to 103.468 liters of water. Round this amount to the nearest liter.

faust18 [17]

103.468

Since 4 rounds down:

103

Hope this helps!

8 0

3 years ago

Read 2 more answers

Christopher just found beautiful yarn for 20% off at his favorite yarn store. He can make one scarf from 2/3 of a ball of yarn.

bija089 [108]

Christopher would be able to make 18 scarves.

To solve this problem, we just need to divide 12 by 2/3. To divide 12 by 2/3, we just multiply 12 by 3/2.

This will give us 36 over 2 or just 18.

3 0

3 years ago