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zavuch27 [327]
3 years ago
13

Solve the following multi-step equation [write the numbers only] Will mark as brainliest if you answer this question

Mathematics
2 answers:
lapo4ka [179]3 years ago
8 0

Answer:

14

Step-by-step explanation:

5x-7=3x+21

2x=28

x=14

cluponka [151]3 years ago
8 0

Answer:

14

Step-by-step explanation:

Subtracting 3x and adding 7 to both sides we get 2x = 28. Dividing the equation by 2 gets us x = 14.

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Total area of shape?
Yuliya22 [10]

Answer:39798

Step-by-step explanation:hope this helps :)

7 0
3 years ago
A puzzle piece in the shape of a triangle has perimeter 25 centimeters. Two sides of the triangle are each twice as long as the
Anestetic [448]

Answer: the shortest side is 10 centimeters.

The length of each of the other sides is 10 centimeters each.

Step-by-step explanation:

Let x represent the length of the shortest side of the triangle.

Two sides of the triangle are each twice as long as the shortest side. This means that the length of the two sides would be 2x.

The perimeter of a triangle is the sum of each side of the triangle.

The puzzle piece in the shape of a triangle has perimeter 25 centimeters. This means that

x + 2x + 2x = 25

5x = 25

x = 25/5

x = 5

The length of each of the two sides is

2x = 2 × 5 = 10

3 0
3 years ago
Find the value of x.
Mkey [24]

Answer:

  x = 36°

Step-by-step explanation:

Where a transversal crosses parallel lines, any obtuse angle it creates is supplementary to any acute angle it creates:

  3x +2x = 180°

  5x = 180° . . . . . . . . . collect terms

  x = 180°/5 = 36° . . . . . divide by 5

4 0
2 years ago
Can someone help me with this
katrin [286]

Half  the length of the curve which separates the 2 halves = 1/2 circumference of a circle with diameter 6 mm.  = 1/2 * pi * d = 3pi mm

So the length of the line = 6pi =  18.85 mm to nearest hundredth. answer

The area of shaded region = 1/2 area of the circle = 1/2 pi r^2

= 1/2 * pi * 6^2

=  56.55 mm^2  to nearest hundredth  answer


8 0
3 years ago
Manu picked 10 apples, and then Sten gave him 10 more. Manu gave 5 of the apples to Klara. How many
Masteriza [31]

Answer:

15

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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