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Vsevolod [243]
3 years ago
12

Simplify the expression: 5-−3ℎ −(6-+7ℎ) a) 11-−4ℎ b) 11-−10ℎ c) −-−4ℎ d) −-−10ℎ

Mathematics
1 answer:
Svetllana [295]3 years ago
8 0

Answer:

D

Step-by-step explanation:

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9 more than a number is equal to 10
Oliga [24]

Answer:

1

Step-by-step explanation:

9 + 1 is equal to 10. Therefore, the answer is 1.

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2 years ago
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Sonja [21]

Answer: it’s C

Step-by-step explanation:

5 0
3 years ago
Sonny substituted 5 for x in the proportion 16/x=48/15 and cross multiplied to get 240=240. Why is this?
Mashutka [201]
Because 16/5 and 48/15 are equivalent fractions
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3 years ago
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The length of a rectangle is 4 more than the width. Find the width of the rectangle if the area is 32.
Serggg [28]

Answer:

length = 8

width = 4

Step-by-step explanation:

Area = length x breadth

Let x represent the width

length = x + 4

32 = x × (x + 4)

32 = x² + 4x

x² + 4x  - 32  = 0

solving using quadratic equation =

(x² - 4x) -32 + 8x

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since width cannot be a negative number, we would use 4

7 0
3 years ago
In triangle ABC, AB=10, BC=8, and angle B=30. In triangle KLJ, LJ=20, JK=16, and angle L=30. State whether the triangles are sim
Margaret [11]

Answer:

They are not similar.

Step-by-step explanation:

In triangle ABC, the angle we are given is in between the two defined sides(AB and BC with angle B). If these triangles were similar, we would see this with the SAS postulate.

In triangle KLJ, the angle is not in between the two sides, so they are not similar according to any of these two postulates.

6 0
9 months ago
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