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Dominik [7]
3 years ago
13

How do you solve this im loosing my mind​

Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
6 0

Answer:

D

Step-by-step explanation:

Perimeter formula : P = 2l + 2w

l = 14

68 = 28 + 2w

2w = 40

w = 20

Area formula : l * w

14 * 20 = 280

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Solve the equation 42=7r r=​
Juli2301 [7.4K]

Answer: r=6

Step-by-step explanation:

Because if 42 equals 7 times r you just have to divide 42 by 7.

8 0
3 years ago
Read 2 more answers
What is the HCF of 20 36 and 45??
tangare [24]

20=1×2×2×5=1×4×5

36=1×2×2×9=1×4×9

45=1×3×3×5=1×9×5[/tex]

  • HCF=1
6 0
3 years ago
Read 2 more answers
Solve for x in the diagram below (picture included)
Sever21 [200]

Answer:

34

Step-by-step explanation:

We know the straight line is equal to 180°, and the three angles that make it are (x+12),100°, and x. We can use the equation 180=(x+12)+100+x to find x.

180=(x+12)+100+x

We can remove the parentheses and combine x plus x to 2x.

180=100+2x+12

100+12=112

so

180=112+2x

-112 -112

68=2x

÷2 ÷2

34=x

5 0
3 years ago
Complete the table of equivalent ratios.<br> 3<br> 5<br><br> 10<br> 9<br><br><br> 20<br><br> 25
RUDIKE [14]

Answer:

Step-by-step explanation:

The first is 2, the second is 6 and the third is 14.

7 0
3 years ago
A triangle has sides of length 5, 8, and 10. What is the measure of its largest angle?
masha68 [24]
We'll use the Law of Cosines
We'll call
side a = length 5
side b = length 8
side c = length 10
and their corresponding angles as A, B and C
"C" would be the largest angle
cos (C) = (a^2 + b^2 - c^2) / 2 * a * b
cos (C) = (5^2 + 8^2 - 10^2) / 2 * 5 * 8
cos (C) = 25 + 64 -100 / 80
cos (C) = -11 / 80
cos (C) = <span> <span> <span> -0.1375 </span> </span> </span>
arc cosine ( <span> <span> <span> -0.1375 </span> </span> </span> ) = 97.903 Degrees
The largest angle is 97.903 Degrees



8 0
3 years ago
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