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Furkat [3]
3 years ago
13

Write an expression equivalent to -8(10x - 3)

Mathematics
1 answer:
Oksana_A [137]3 years ago
6 0

Answer:

The expression is -80x+24

Step-by-step explanation:

distribute the -8

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Solve for x using the given diagram
blagie [28]

Answer:

<h2>x = 1</h2>

Step-by-step explanation:

Look a t the picture.

The triangles on the picture are similar.

Therefore the sides are in proportion:

\dfrac{8x}{10}=\dfrac{4}{5x}              <em>cross multiply</em>

(8x)(5x)=(4)(10)

40x^2=40           <em>divide both sides by 40</em>

x^2=1\to x=\sqrt1\\\\x=1

7 0
3 years ago
What is the correct solution of<br> 4 - 2x = -2<br> +4 +4<br> 2x = 2<br> 2 2<br> x = 6
zepelin [54]
The answer is x=3
Lol
4 0
3 years ago
Alina has 15x + 12 yards of ribbon. She uses 6x - 3 yards for a project. How many yards does she have left?
Andrews [41]

Answer:

-1.66666666667 yards

Step-by-step explanation:

15x+12=6x-3

subtract 6x on both sides

9x+12=-3

subtract 12 on both sides

9x=-15

x=-1.6666666666667

8 0
3 years ago
40. Mike has two electric train sets: A and B. Each train is on its own circular track.
JulsSmile [24]
"He starts both trains at the same time. Train A returns to its starting point every 12 seconds and Train B returns to its starting point every 9 seconds". Basically, what you need to do is find the least common multiple. The least common multiple of 12 and 9 is 36, so the least amount of time, in seconds, that both trains will arrive at the starting points at the same time is 36 seconds.
5 0
3 years ago
Plz answer correctly both questions if do will give brainliest!!!!
Marina86 [1]
54 square inches
Basically you just multiply
6 0
3 years ago
Read 2 more answers
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