3 years ago

EASY FAST MATH!!! HURRY! RATING BRAINLIEST!!!!

Mathematics

1 answer:

Mariana [72]3 years ago

4 0

Answer:

quadratic

Step-by-step explanation:

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In the regular nonagon shown, what is the measure of angle x?<br>A.36<br>B.40<br>C.45<br>D.60

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The answer is 45 i took the test i got it correct

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3 years ago

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Pumps A, B, and C operate at their respective constant rates. Pumps A and B, operating simultaneously, can fill a certain tank i

shepuryov [24]

Answer:D) 1 hr

Step-by-step explanation:

Given

Pump A and B can fill tank in $\frac{6}{5} hr$

Pump A and C can fill tank in $\frac{3}{2} hr$

Pump B and C can fill tank in $2 hr$

Let A be the total hr taken A therefore rate of $A=\frac{1}{A} /hr$

Let B be the total hr taken B therefore rate of $B=\frac{1}{B} /hr$

Let C be the total hr taken C therefore rate of $C=\frac{1}{C} /hr$

$\frac{1}{A}+\frac{1}{B}=\frac{5}{6}$ -----1

$\frac{1}{B}+\frac{1}{C}=\frac{1}{2}$ -----2

$\frac{1}{A}+\frac{1}{C}=\frac{2}{3}$ -----3

Adding 1,2 & 3

$2(\frac{1}{A}+\frac{1}{B}+\frac{1}{C})=\frac{5}{6}+\frac{1}{2}+\frac{2}{3}$

$\frac{1}{A}+\frac{1}{B}+\frac{1}{C}=\frac{2}{2}$

$\frac{1}{A}+\frac{1}{B}+\frac{1}{C}=1$

thus time taken by A,B and C combined is 1 hr

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3 years ago

A quadratic function is defined by g(x) = (x + 4)2 +7.

Travka [436]

Step-by-step explanation:

The vertex is the point (-4, 7).

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2 years ago

I will give you brainliest <3

mamaluj [8]

Answer:

Triangle AEC can be proved congruent to triangle BED by St= 8x2 .

Step-by-step explanation:

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2 years ago

How to solve the equation

denpristay [2]

We can use substitution to solve this equation in here y=6 and x=0 .
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