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Aneli [31]
3 years ago
8

Pleaseeee helppp meee

Mathematics
1 answer:
Marysya12 [62]3 years ago
6 0
5) To find the answer we can set up a proportion (see image 1), then solve for x. 5 x 1000/100 = x
x = 50
The answer is 50. :)

7) Set up another proportion (see image 2), then solve for x again. 
100 x 100/25 = x
x = 400

Hope this helps! :)

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If two lines are cut by a transversal such that corresponding angles are NOT congruent, what must be true? Justify your response
Ivahew [28]

Answer and Step-by-step explanation:

what must be true is that this particular two lines are not a set of PARALLEL lines. When the lines are parallel, the corresponding angles are congruent  and the then the pairs of consecutive angles formed are supplementary .  

If we are takling about corresponding angles, they will not be congruent if the lines are not parallel

6 0
4 years ago
I need help on 2,5,9
USPshnik [31]

Answer:

2. -4/3

5. 128/105

9. -5/6

3 0
3 years ago
Write an equation of a line in slope-intercept form that is parallel to y = 3x+6 and passes through the point (-10, 2.5).
Natalija [7]

Answer:

y - 2.5 = 3(x + 10)

Step-by-step explanation:

The slope is 3 so just input everything into the general form

5 0
4 years ago
Use the given domain to find the range of the function: f(x)=−x3+x2+5, D={−2, −1, 2}
marysya [2.9K]

Answer:

The range of the function is R=\{17, 5, 1\}.

Step-by-step explanation:

Let f(x) = -x^{3}+x^{2}+5. From Function Theory we must remember that the range of function corresponds to the set of images associated to each elemenf from domain. In this case, the function has a domain composed of three elements and we need to find the image of each element:

x = -2

f(-2) = -(-2)^{3}+(-2)^{2}+5

f(-2) = 8+4+5

f(-2) = 17

x = -1

f(-1) = -(-1)^{3}+(-1)^{2}+5

f(-1) = 1-1+5

f(-1) = 5

x = 2

f(2) = -(2)^{3}+(2)^{2}+5

f(2) = -8+4+5

f(2) = 1

The range of the function is R=\{17, 5, 1\}.

6 0
3 years ago
Click on the graph to choose the best match of the graphed quadratic equation. F(x) = x 2 + 4x
IceJOKER [234]
Not completely sure what graph you are looking for but here is what I got, (-2,-15/4) hope this helps!
8 0
3 years ago
Read 2 more answers
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