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kodGreya [7K]
3 years ago
10

a jar has 170 coins. there are 50 more pennies than nickels. twice as many quarters as nickels. what are the coins?

Mathematics
1 answer:
Amanda [17]3 years ago
3 0
80 pennies 30 nickels and 60 quarters

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If f(7) = 22, then f^-1(22) = [?]​
s2008m [1.1K]

The required value of the given inverse function f⁻¹(22) will be 7.

<h3>What is an inverse function?</h3>

The inverse function is defined as a function obtained by reversing the given function.

Given that f(7) = 22

To determine the value of the given inverse function f⁻¹(22)

An inverse function's main objective is to show the value that occurs in a specific function value. Which means :

If we have f(x) and f⁻¹(x), then

if f(a) = b then f⁻¹(b) = a

As per the given question, we have

⇒ f(7) = 22 then f⁻¹(22) = 7

Therefore, the required value of the given inverse function f⁻¹(22) will be 7.

Learn more about inverse functions here:

brainly.com/question/2541698

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8 0
2 years ago
What is the area of this figure?
Gemiola [76]

Answer:

107 square millimeters

Step-by-step explanation:

You can make this problem easier by splitting this into pieces you already know how to solve. So, you can draw a line down the middle to get 2 rectangles whose formula are Length X Width. Now, use the side lengths 5x7=35 and 8x9=72.

Add the 2 area of rectangles together to get 107 which is your total area.

4 0
3 years ago
What is the volume of the right rectangular prism? cm^3
xenn [34]
The answer is 21 because I added 8 + 10+3=and I got 21
4 0
4 years ago
What is 3x+5 = 2x+11
boyakko [2]
Answer: x = 6

1. Subtract “2x” on both sides. This simplifies the equation to x+5=11

2. Subtract “5” on both sides. This simplifies to x=6, which is your answer.
4 0
3 years ago
Give 3 angle measures of an obtuse triangle. ​
MaRussiya [10]

Answer:There are many different answers :-)    but 100, 40, 40 is one

Step-by-step explanation:

There are quite a few answers, but you need to make sure 1 angle is greater than 90 degrees.  The remaining two angles should add up to less than 89 degrees and all 3 angles should total 180 degrees.

i.e. 100, 40, 40

8 0
4 years ago
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