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3 years ago

Covert 12/20 to a decimal

Mathematics

2 answers:

I am Lyosha [343]3 years ago

8 0

Answer:

0.6

Step-by-step explanation:

oksano4ka [1.4K]3 years ago

5 0

Answer:

.60

Step-by-step explanation:

The way you do this is by getting the denominator to 100

Take 20 and multiply it by 5 and then take 12 and do the same.

That gives you 60/100 which is the same as .60

Hope this helped ! !

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A car is driving at 100 kilometers per hour. How far does it travel in 2 seconds?

Alisiya [41]

Answer:

$\frac{1}{18}\ km$ or $\frac{500}{9}\ m$

Step-by-step explanation:

Remember that

1 hour=3,600 seconds

by using proportion

$\frac{100}{3,600}\frac{km}{sec} =\frac{x}{2}\frac{km}{sec} \\ \\x=2*100/3,600\\ \\x=\frac{1}{18}\ km$

Convert to meters

$(1,000)*(\frac{1}{18})=\frac{500}{9}\ m$

6 0

3 years ago

A right triangular prism has a height of 3 ft, a width of 4 ft, and a hypotenuse of 5 ft. The depth of the triangle is missing.

DiKsa [7]

Depth=15
x=(height(h)*width(w)*hypotenuse(y))/2
x=(3*4*5)/2=(60/2)=30
y=(x(x-h)(x-w)(x-y))^(1/2)
f=(-h^4+2(hw)^2+2(wy)^2-w^4+2(hy)^2-y^4)^(1/2)
f=(-3^4+2(3*4)^2+2(4*5)^2-4^4+2(3*5)^2-5^4)^(1/2)
f=576^(1/2)
f=24
Surface Area= 2f(.5)+(h+w+y)*depth
192=depth*(3+4+5)+24(.5)
180=(3+4+5)*depth
180=(12)(depth)
15=depth

8 0

3 years ago

14. Sarah bought a lawnmower for $320. She signed up for the buy now pay later plan at the store with the following conditions:

Tema [17]

Answer:

Step-by-step explanation:

100+25 * 12 ; 100+300 = 400 ; difference = 400-320=80 ; percent increase since it is 1 year = 80/320 =1/4=0.25 = 25/100=25%

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3 years ago

What is the amplitude, period, and phase shift of f(x) = -4 sin(2x + π) - 5?

son4ous [18]

F(x) = -4sin(2x + π) - 5

Amplitude
A = -π

Period
2π = 2π = π
B 2

Phase Shift
-C = -π = ≈ 1.57
 B 2

3 0

3 years ago

Read 2 more answers

5 less than a number is equivalent to 1 more than three times the number The number is ??

givi [52]

Answer:

-3

Step-by-step explanation:

Let x equal the mystery number

Our equation will be:

x - 5 = 1 + 3x

Subtract x from both sides

-5 = 1 + 2x

Subtract 1 from both sides

-6 = 2x

Divide both sides by 2

-3 = x

4 0

3 years ago