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sveticcg [70]
3 years ago
12

WORTH LOT OF POINTS DONT PLAGERIZE NO FAKE ANSWERS WILLL REPORT::::: Mindy understands how to tell if ordered pairs are function

s but does not remember how to determine if a graph is a function. What test could she use and how does it work? (also include definition of functions)
Mathematics
1 answer:
Rashid [163]3 years ago
4 0

Answer:

The vertical line test

Step-by-step explanation:

Basically, draw vertical lines over the function.

If each value of x has a different y-value, then it is a function.  

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The measure of an angle is 6 less than 5 times its complement. what is the measure of its complement
ra1l [238]
Measure of angle is 6 less than 5 times its complement,
Equation is:
A= 5 x (90 - A) - 6
Solve for A.
A=5(90-A)-6
A=450-5A-6
Add 5A to both sides
6A=444
A=74°
Now the complementary angle=90°-74° =16°


Answer: 16°
8 0
3 years ago
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A sandbox is twice as long as it is wide. It’s area is 72in square. What is the perimeter of the sandbox?
melamori03 [73]

Answer:

let the width be 'x'

length = 2x

Area = 72 in square

(2x)(x)= 72

2x^2=72

x^2=36

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=2(2x+x)

=2(3x)

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therefore the answer is option D

Hope it helps.............

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SVETLANKA909090 [29]
B none of the choices are correct
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4 years ago
a parking meter contains $8.25 in dimes and quarters. after emptying the meter, the worker counts 51 coins. how many quarters an
Marianna [84]
<h3>30 dimes and 21 quarters are present</h3>

<em><u>Solution:</u></em>

Let "d" be the number of dimes

Let "q" be the number of quarters

1 dime = $ 0.10

1 quarter = $ 0.25

The worker counts 51 coins

Therefore,

d + q = 51

d = 51 - q ---------- eqn 1

<em><u>A parking meter contains $8.25 in dimes and quarters</u></em>

Therefore,

0.10d + 0.25q = 8.25 -------- eqn 2

<em><u>Substitute eqn 1 in eqn 2</u></em>

0.10(51 - q) + 0.25q = 8.25

5.1 - 0.10q + 0.25q = 8.25

0.15q = 3.15

Divide both sides by 0.15

<h3>q = 21</h3>

Substitute q = 21 in eqn 1

d = 51 - 21

<h3>d = 30</h3>

Thus 30 dimes and 21 quarters are present

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Svet_ta [14]

Answer:

$23.6

Step-by-step explanation:

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