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2 years ago

14

The Blue Plane travels at a constant speed of 120 miles per hour. If it travels for 2 1/2 hours to get to Pennsylvania how far d

id it go?

2 answers:

Oduvanchick [21]2 years ago

7 0

Answer:

The answer is 300 miles

Step-by-step explanation:

120x2=240

120x .5= 60

240+60=300

Masteriza [31]2 years ago

5 0

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One side of a regular pentagon measures 0.8 meters. What is the perimeter of the regular pentagon

topjm [15]

5 (the sides) x 0.8 = 4 meters

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2 years ago

If f(x)=3x-2 and g(x)=x^2+1, find f(g(-1)) and g(f(3))

julsineya [31]

Answer:

$f(g(-1))=4$

$g(f(3))=50$

Step-by-step explanation:

We know the definition of both functions: $f(x)=3x-2$ , and $g(x)=x^2+1$

A) In order to evaluate what $f(g(-1)) is$ , let's first investigate what g(-1) is using the definition for this function:

$g(x)=x^2+1\\g(-1)=(-1)^2+1\\g(-1)=1+1\\g(-1)=2$

Now let's find what f(2) is using f(x) definition: $f(x)=3x-2\\f(2)=3(2)-2\\f(2)=6-2\\f(2)=4$

B) In order to evaluate what $g(f(3)) is$ , let's first investigate what f(3) is using the definition for this function:

$f(x)=3x-2\\f(3)=3(3)-2\\f(3)=9-2\\f(3)=7$

Now let's find what g(7) is using the definition for this function:

$g(x)=x^2+1\\g(7)=(7)^2+1\\g(7)=49+1\\g(7)=50$

4 0

2 years ago

HURRY INVERSE OF A FUCTION

Anon25 [30]

Here is how we get the answer....
First, replace f(x) with y . ...
Replace every x with a y and replace every y with an x .
Solve the equation from Step 2 for y . ...
Replace y with f−1(x) f − 1 ( x ) . ...
Verify your work by checking that (f∘f−1)(x)=x ( f ∘ f − 1 ) ( x ) = x and (f−1∘f)(x)=x ( f − 1 ∘ f ) ( x ) = x are both true.

6 0

2 years ago

4 – 15 ÷ (30 – 33) =

cupoosta [38]

Answer: 9

Step-by-step explanation:

We will use the Order of Operations to solve.

Given:

4 – 15 ÷ (30 – 33)

Subtract 33 from 30:

4 – 15 ÷ (– 3)

Divide -15 by -3:

4 + 5

Add 4 to 5:

9

7 0

1 year ago

Read 2 more answers

The answer please answer

strojnjashka [21]

Separate the shape in to separate rectangles

Then Separately find the areas of the rectangles

Answer will be the sum of all areas

Which = d) 109

5 0

2 years ago