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Lina20 [59]
3 years ago
7

5x + 260 = -8x + 650 I got 75 but it was wrong

Mathematics
2 answers:
lawyer [7]3 years ago
7 0

-260

then

-5x

-13x+390

-390

/-13

=

dusya [7]3 years ago
3 0

Answer:

x=30

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

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3 years ago
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Need help Finding the side length X.
Vilka [71]

Because the 2 triangles are similar, find the ratio of 2 known sides.

Side XY = 10

Side AB = 25

25 / 10 = 2.5

This means the larger triangle is 2.5 times larger than the smaller one.

Now find the side of the smaller triangle, that would be the same side as X on the larger triangle and multiply that by 2.5.


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4 0
4 years ago
The number 4 is in both the domain and the range of the function A(n).
Pani-rosa [81]

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False

Step-by-step explanation:

the domain is the set of numbers you can plug in, and the range is what comes out

4 is shown in both ovals, but we see that there is no arrow pointing from the left oval to the 4 in the right oval, meaning that no value in interval [1,5] has a value of 4.

3 0
3 years ago
What is the area of a regular hexagon with a side of 5 and an apothem of 4.33
sertanlavr [38]
The area of any regular polygon can be expressed as:

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(notice apothem is not needed :P)

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a(6,5)=37.5/tan30

a(6,5)≈64.95 units (to nearest hundredth of a unit)
3 0
3 years ago
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