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3 years ago

Two prisms are similar and their ratio of similarity is 3:8.

Mathematics

1 answer:

trapecia [35]3 years ago

5 0

Answer:

8.63 square units

Step-by-step explanation:

you must set up a proportion.

3 x

- = -

8 23

after you set up that proportion, cross multiply to find x.

8x = 69

divide by 8

x = 8.625, rounded to 8.63

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At the end of the summer, Jamie bought a $325 surfboard for $123.50. By what percent was the surfboard marked down?

Lerok [7]

We shall see how much percentage of the original price was the price discounted and it will show the percentage decreased
325x/100=123.50
325x=12350
X=12350/325
X=38

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3 years ago

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Aloiza [94]

Answer:

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Step-by-step explanation:

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3 years ago

Write a linear function f with the values f(10)=5 and f(2)=-3

Nutka1998 [239]

Answer:

$f(x)=x-5$

Step-by-step explanation:

step 1

Find the slope m

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

we have the ordered pairs

(10,5) and (2,-3)

substitute the values

$m=\frac{-3-5}{2-10}$

$m=\frac{-8}{-8}$

$m=1$

step 2

Find the equation of the line in slope intercept form

$f(x)=mx+b$

we have

$m=1$

$point\ (10,5)$

substitute and solve for b

$5=(1)(10)+b$

$5=10+b$

$b=-5$

The linear function is equal to

$f(x)=x-5$

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3 years ago

I have question in my Aleks website can you please help me with

Sati [7]

Answer:

5,3,5 range -1,6,2 domain

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3 years ago

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Vesnalui [34]

Answer:

Step-by-step explanation:

Cos(0)=1

since the diagram shows x as (1,0)

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2 years ago