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Sophie [7]
3 years ago
10

Find the value of x.

Mathematics
1 answer:
olasank [31]3 years ago
7 0

Answer:

The value of x is 18°

Step-by-step explanation:

Sum of the angles are 180°

3x+126=180

3x=180-126

3x=54

x=18

Answered by GAUTHMATH

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I don’t understand 7B please help...
joja [24]

Answer:

see explanation

Step-by-step explanation:

let w represent the width then length = w + 7

The perimeter of the rectangle = 2w + 2(w + 7) = 2w + 2w + 14 = 4w + 14

The perimeter is given as 54 m, thus

4w + 14 = 54 ( subtract 14 from both sides )

4w = 40 ( divide both sides by 4 )

w = 10

Thus

width of playground = w = 10 m

length of playground = w + 7 = 10 + 7 = 17 m

7 0
3 years ago
Read 2 more answers
Firdaus measured the length of the wall and got 9 feet her cousin measured the same distance and said that it was three what uni
Dahasolnce [82]

Answer:

Her cousin used Yard  to measure the wall.

Step-by-step explanation:

Firdaus measured the length of the wall and got 9 feet.

Her cousin measured the same distance and said that it was 3.

To find the answer, we have to use division.

Let "x" the divisor which divide 9 and gives the answer 3.

9 ÷ x = 3

3x = 9

To find x (divisor) we need to divide both sides by 3, we get

3x ÷ 3 = 9 ÷ 3

x = 3

So  1 unit cousin's measure = 3 feet Firdaus measure

We know that 1 yard = 3 feet.

Therefore, her cousin used Yard measure to measure the wall.

7 0
3 years ago
Pls help meh T^T I'm being timed on this T^T T^T T^T T^T
Arada [10]

( 9 )

1.5 * 6 since the TRUE height and width must be multiplied

4 0
3 years ago
Please help!! picture linked below.
jarptica [38.1K]

Answer:

50y + 25x = 800

&

50x + 25y = 800

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3 years ago
What is the LCD of 1/3 and 3/7?
Neko [114]
The LCD of those fractions would be, 3 ... If this helped mark me brainliest. ty
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