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Maru [420]
4 years ago
9

What is the sum of m A and m B if angles A and B are complementary? A. 0° B. 45° C. 90° D. 180°

Mathematics
1 answer:
dlinn [17]4 years ago
4 0

Answer:

c.90

Step-by-step explanation:

Because complementary mean 90 degrees,look it up.And it does not give any other angles.100 percent/TRUST

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F(x)=ax+b/2 then f^-1 (x-1) =2x-5/2 find a and b​
krok68 [10]

From the given inverse function, we have

f^{-1}(x-1) = 2x - \dfrac52 \\\\ \implies f^{-1}(x) = f^{-1}((x+1)-1) = 2(x+1) - \dfrac52 = 2x-\dfrac12

By definition of inverse function,

f\left(f^{-1}(x)\right) = x

so that

f\left(2x-\dfrac12\right) = x

a\left(2x-\dfrac12\right) + \dfrac b2 = x

2ax - \dfrac a2 + \dfrac b2 = x

\implies\begin{cases}2a=1 \\\\ -\dfrac a2+\dfrac b2 = 0\end{cases}

\implies \boxed{a=\dfrac12}

\implies \dfrac b2 = \dfrac a2 \implies \boxed{b=\dfrac12}

8 0
2 years ago
How do you solve x in this equation ➡️ 2x-14=10 // And to simplify it for the answer??!!!
DENIUS [597]
So we start by getting x on one side of the equals sign

2x-14=10
   +14 +14

2x=24

divide them both by 2 to get x by itself

x=12
3 0
4 years ago
When a fraction cannot be simplified, what must be true about the greatest common factor of the numerator and denominator?
Luba_88 [7]
Their greatest common factor is 1.
In fact, it's their ONLY common factor.
5 0
4 years ago
Megan left a $5 tip on a $36 restaurant bill. What percent tip is that? Give your answer to two decimal places if necessary.
Inessa [10]

Hello!

your answer is 13.8%

to get this, divide 5 by 36, then multiply by 100

5/36 = 0.138888...

0.138 * 100 = 13.8

I hope this helps, and have a nice day!

8 0
4 years ago
Read 2 more answers
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15*3=45
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3 years ago
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