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Anna007 [38]
3 years ago
5

Which expression has a value of 90?

Mathematics
2 answers:
ratelena [41]3 years ago
8 0

Answer:

1. 73.2

2. 90

3. 80

4. 80

Step-by-step explanation:

you will have to divide 3,600 by 50

Lerok [7]3 years ago
5 0

Answer:

None of them...

Step-by-step explanation:

3,600 ÷ 50 = \frac{1}{4}

5,400 ÷ 60  = \frac{3}{4}

6,400 ÷ 80  = \frac{6}{5}

7,200 ÷ 90 = \frac{63}{20}

Did you read the problem correctly?

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If f(x) = x^2 is reflected over the x-axis and the shifted 4 units down, what is the equation of the new function, g(x)?
NARA [144]

Answer:

g(x) = -x² - 4

Step-by-step explanation:

In this case, we are only changing <em>a </em>(reflection and vertical shrink/stretch) and <em>k </em>(vertical movement)

<em>k </em>= -4 because we are moving 4 units down

<em>a </em>= -1 because we are just reflecting over the x-axis

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4 years ago
Solve by substitution
Hunter-Best [27]

Answer:

A

Step-by-step explanation:

y = -9 ------(1)

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substitute (1) into (2)

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7 0
3 years ago
What is the slope of the line ?
Marat540 [252]

Answer:

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plugging the points in would give you

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7 0
4 years ago
Which of the following describes the variable that is changed in order to observe a response?
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That would be an independent variable.
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Naya [18.7K]
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