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andrey2020 [161]
3 years ago
14

Please help me!!!!!!

Mathematics
2 answers:
Wewaii [24]3 years ago
7 0

Answer:

C is 25

Step-by-step explanation:

Because 25+38=63 and 63/7 is equal to 9.

Nataly [62]3 years ago
4 0

Answer:

why you're brain is being described by the following statements about you guys

Step-by-step explanation:

why po

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Can you guys please answer this is really important
stellarik [79]

Answer:

B) BC'= 8, m A'= 28°

Step-by-step explanation:

When dilating a figure, it increases its size or decreases. In this case, as it is dilating by a factor of 1/2, you can assume it decreases.

To find the value of the new figure, A'B'C', you have to multiply the factor times the lengths of the triangle, or, the only one they are asking for in this case, the length BC':

  • BC' = BC×1/2
  • BC' = 16×1/2
  • BC' = 8

The angles, otherwise, do not change. When figures are dilated, they are similar. The properties of similar figures are that they have congruent angles, therefore, the same angles. They do not have any effect caused by the factor, so m A' stays at 28°.

3 0
3 years ago
Write 9×9×9×9 in standard form
Serhud [2]

It will be 9^4.

hope that helps

8 0
3 years ago
Will mark Brainliest! Find the equation of the line with slope −7 which goes through the point (−5,5).
Savatey [412]

Answer:

  y -5 = -7(x +5)

Step-by-step explanation:

The point-slope form of the equation for a line is usually used for this purpose. For point (h, k), the line with slope m through it is given by ...

  y -k = m(x -h)

Filling in the given numbers, you get the equation ...

  y -5 = -7(x +5)

_____

This can be rearranged to any of several other forms:

  y = -7x -30 . . . . . slope-intercept form

  7x + y = -30 . . . . standard form

  x/(-30/7) + y/(-30) = 1 . . . . . intercept form

4 0
3 years ago
What is the value of x in log2 (x)-3=1?
Gre4nikov [31]
X=4/log(2) Hope this helps!
4 0
4 years ago
Read 2 more answers
An airplane on autopilot took 5 hours to travel 3,640 kilometers. What is the unit rate for kilometers per hour?
aalyn [17]
728 km per hour

3640 divided by 5 to find the unit rate for kilometers per hour
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3 years ago
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