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svetoff [14.1K]
3 years ago
9

Write -7 / 9 as a rational number 3 different ways.

Mathematics
1 answer:
Dovator [93]3 years ago
8 0
I)-7/9=-7×2/9×2=-14/18
(2)-7/9=-21/27
(3)-7/9=-28/36
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-8(.25x +2)<br> What's the answer?
jeyben [28]

Answer: = -2x-16

Step-by-step explanation:

-8\left(0.25x+2\right)

\mathrm{Apply\:the\:distributive\:law}:\quad \:a\left(b+c\right)=ab+ac

=-8\cdot \:0.25x-8\cdot \:2

=-2x-16

7 0
3 years ago
Help with number 4 plz i’ll give brainliest
lara31 [8.8K]

Answer:

C

Step-by-step explanation:

the square root of 89 is about 9.4 and, on this graph, 9.4 is at about C

Hope this helps you :)

4 0
3 years ago
Find the distance between each pair of points. Round to the nearest tenth, if possible.
yaroslaw [1]
The distance between the two points is 6

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7 0
4 years ago
What is the value of the angle marked with x?
Aneli [31]

Answer:

146 degrees

Step-by-step explanation:

trapezoid rules state that angles on the same side of one of the parallel sides are equal. so since 146 and x are on the same line and that line is parallel to the other one 146 = x

8 0
3 years ago
Read 2 more answers
A 12-foot cable attached to the top of the mast of a sailboat is fastened to a point on the deck 4 feet from the base of the mas
Vilka [71]

Answer:

The height of the mast is 8√2 feet

Step-by-step explanation:

In this question, we are asked to calculate the height of the mast given the information in the question.

Please check the attachment for diagrammatic representation.

From the diagrammatic representation, we can conclude that we are asked to calculate the value of the third side of a right angled triangle, given the length of the two other sides.

Using the pythagoras’s theorem;

Square of hypotenuse = square of opposite + square of adjacent

From the diagram, we can see that the length of the cable represents the hypotenuse.

Hence;

AB^2= BC^2 + AC^2

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144 = 16 + AC^2

AC^2 = 144 - 16

AC^2 = 128

AC = √128

AC = 8√2 feet

8 0
3 years ago
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