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Anarel [89]
3 years ago
13

Which expression is equivalent to -16 - 7?

Mathematics
1 answer:
lakkis [162]3 years ago
3 0

Step-by-step explanation:

B. -16 + (-7) ...this is the same as -16-7

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Use the graph to write an explicit function to represent the data and determine how much money Taryn earned in week 5.
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Which system of inequalities is represented by the graph?<br> A) A <br> B) B <br> C) C <br> D) D
yKpoI14uk [10]

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C

Step-by-step explanation:

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3 years ago
Which statement is true about the function f(x) = -x?
Nataly [62]

Answer:

The answer is "It has the same domain as the function f(x) = --x".

Step-by-step explanation:

If we consider its parent function that is: y= x

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6 0
3 years ago
Find the length of the line PA.
Diano4ka-milaya [45]

RO divides the rectangle into two congruent right triangles.

The area of the one triangle is equal half area of the rectangle.

Calculate the area of rectangle:

A_R=lw\\l=12,\ w=5\\\\A_R=12\cdot5=60

The area of right triangle:

A_T=\dfrac{1}{2}A_R\to A_T=\dfrac{1}{2}\cdot60=30

Use the Pythagorean theorem to calculate the length of RO:

|RO|^2=5^2+12^2\\\\|RO|^2=25+144\\\\|RO|^2=169\to|RO|=\sqrt{169}\to|RO|=13

The formula of an area of this right triangle is:

A_T=\dfrac{1}{2}|RO||PA|

Therefore we have the equation:

\dfrac{1}{2}(13)|PA|=30\qquad|\cdot2\\\\13|PA|=60\quad|:13\\\\|PA|=\dfrac{60}{13}\\\\|PA|\approx4.62

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3 years ago
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kotegsom [21]

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Step-by-step explanation:

6 0
3 years ago
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