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3 years ago

11

Solve for x. week 13 test

2 answers:

BaLLatris [955]3 years ago

5 0

Answer:

x=174

Step-by-step explanation:

These angles are an example of vertical angles. Vertical angles are equal to each other. Therefore, we can easily set up an equation to solve for x.

157=x-17

Now just simplify this until you isolate x.

157=x-17

+17 +17

174=x

So, your answer is B. x=174

Hope I helped!

Whitepunk [10]3 years ago

3 0

Answer: x equals 174

Step-by-step explanation: This looks like a parallelogram and if it is then the side opposite 157 would also be 157 so u just had to add 17 to 157 and thats ur answer of 174.

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Arithmetic of functions

Rzqust [24]

Its B.

If $f(x)=4x+1$ and $g(x)=x^2-5$ then, $(\frac{g}{f})(x)=\frac{x^2-5}{4x+1}$ and $x\neq-\frac{1}{4}$ because if x were $-\frac{1}{4}$ then you would have division by 0.

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2 years ago

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liberstina [14]

Answer:

B

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

Dilate a triangle with vertices (0,0), (0,2) and (2,0) using the scale factor k=3. What is the value of the ratio (new to origin

seropon [69]

Answer:

Part a) The ratio of the perimeters is $3$

Part b) The ratio of the areas is $9$

Step-by-step explanation:

Part A) What is the value of the ratio (new to original) of the perimeters?

we know that

If two figures are similar, then the ratio of its perimeters is equal to the scale factor

Let

z-----> the scale factor

x-----> the perimeter of the new triangle

y-----> the perimeter of the original triangle

$z=\frac{x}{y}$

we have

$z=3$

substitute

$\frac{x}{y}=3$

Part B) What is the value of the ratio (new to original) of the areas?

we know that

If two figures are similar, then the ratio of its areas is equal to the scale factor squared

Let

z-----> the scale factor

x-----> the area of the new triangle

y-----> the area of the original triangle

$z^{2}=\frac{x}{y}$

we have

$z=3$

substitute

$\frac{x}{y}=3^{2}$

$\frac{x}{y}=9}$

3 0

3 years ago

La cantidad de horas h que debe dormir una persona joven de n años está dada por la siguiente expresión:

natulia [17]

Answer:

Option D doesn't make any sense.

Step-by-step explanation:

D) 7 hours of sleep correspond to an age of 19 years.

That is wrong.

If we use the expression provided

hours = 8 + 0.5*(18 -age)

hours = 8 + 0.5*(18 -19)

hours = 8 + 0.5*(-1)

hours = 7.5

8 0

2 years ago

It is now 8:59 a.m. when the bell rings at 9:01 am. Damian will be late for science class for the 3rd time this week. He must ge

gregori [183]

Answer:

7 pi square 9.8

Step-by-step explanation:

5 0

2 years ago