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docker41 [41]
3 years ago
6

Can someone solve for x -4x=42

Mathematics
2 answers:
miskamm [114]3 years ago
4 0

Answer:

x = -14

Step-by-step explanation:

Darina [25.2K]3 years ago
4 0
-21/2 is the what I got
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What is the approximate scale factor dilating from the red image to the blue image?Explain how you figured this out.
Lorico [155]

If the shape on the red image is scaled to the shape on the blue image, the scale factor is 0.2777.

Explanation:

  • The original shape's base in the red image is measured. The base of the red image is measured to be 9 units. Now we measure the same side of the blue image. The base of the blue image is measured to be 2.5 units. So after scaling, the length of the painting will be 2.5 units.
  • To calculate the scale factor, we divide the measurement after scaling by the same measurement before scaling. In this case, it is the base of both images. So The scale factor = \frac{baselengthbeforescaling}{baselengthafterscaling} = \frac{2.5}{9} = 0.2777.
  • So the red image is dilated by a scale factor of 0.2777 to produce the blue image.

5 0
3 years ago
WILL MARK BRAINLIEST PLS HELP
Wittaler [7]

Answer:

209.96

Step-by-step explanation:

we know that the circumference of the circle is equal to

C = \pi D

we have

D = 64 ft

substitute would be

C = \pi (64) = 64\pi ft

assume that \pi = 3.14

6464\pi  = 64 * 3.14 = 200.96 ft

7 0
3 years ago
If the perimeter is 86 inches, what is the length of the shortest sides
svet-max [94.6K]

Since perimeter means adding all 4 sides, you divide 86 divided by 4 equals = 21.5. Then do 21.5 + 21.5 which equals 43. And 43 + 43 = 86. So two sides are 21.5, and the other two sides are 43. So 21.5 <  43. 21.5 is the shortest sides. Hope this Helps!


8 0
3 years ago
Help with this question please
dimaraw [331]

The answer should be C

4 0
3 years ago
What are the values of a and b
nikdorinn [45]
A= 58°B= 83° because you add the straight angle which is 90 plus the other number and subtract it by 180 because a triangle has 180°
7 0
3 years ago
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