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Andrei [34K]
1 year ago
6

Read this word problem.

Mathematics
2 answers:
tangare [24]1 year ago
5 0

Answer:

Step-by-step explanation:

mylen [45]1 year ago
3 0

Answer:

ronnie is playing a card game called subzero , where the goal is to get the lowest possible score.in the first round ,ronnie scored

Step-by-step explanation:

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Simply the following expression by combining like terms 5w + 7v - 8w + v - w + 2y
Dafna11 [192]
-4w + 8v + 2y = -4w + 8v + 2y
7 0
2 years ago
Of a number is what percentage of that number?
bulgar [2K]

Answer:

<h3>3/20*200</h3>

=5*3

=15%

the percentage of the number is 15%

8 0
3 years ago
Triangle A B C is shown. Angle B C A is a right angle. The length of hypotenuse B A is 9.8 inches, the length of C B is 6.3 inch
german

Answer:

\angle B=\cos^{-1}\left(\dfrac{6.3}{9.8}\right)\\ \\\angle B=\sin^{-1}\left(\dfrac{7.5}{9.8}\right)

Step-by-step explanation:

Consider right triangle ABC with right angle C.

In this triangle,

  • BA = 9.8 in
  • CB = 6.3 in
  • CA = 7.5 in

Write trigonometric functions:

\cos \angle B=\dfrac{BC}{AB}=\dfrac{6.3}{9.8}\\ \\\sin \angle B=\dfrac{AC}{AB}=\dfrac{7.5}{9.8}

Hence,

\angle B=\cos^{-1}\left(\dfrac{6.3}{9.8}\right)\\ \\\angle B=\sin^{-1}\left(\dfrac{7.5}{9.8}\right)

7 0
2 years ago
Read 2 more answers
What is the value of x when x + 7 = 21? <br> A) -28 <br> B) -14 <br> C) 3 <br> D) 14
DerKrebs [107]
The answer would be D
4 0
3 years ago
Read 2 more answers
In the figure, ABC and DEF are similar. What's the scale factor from ABC to DEF?
Elena-2011 [213]

Answer:

3

Step-by-step explanation:

The scale factor of ABC to DEF is the number you need to multiply a corresponding side of ABC to get one of DBC. We are given the two triangles are similar, so we can say that sides AB and DE are proportional. We are looking for the number we need to multiply AB by to get DE. From this relation, we can get the equation:

AB * x = DE

where x is our scale factor. We can substitute in the values of AB and DE, and solve for x:

5x = 15

x = 3

Therefore, the scale factor is three. This means that you can multiply any side of ABC by 3 to get a side of DEF.

7 0
2 years ago
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