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Flura [38]
4 years ago
5

Can you please explain how to get to the answer.

Mathematics
1 answer:
motikmotik4 years ago
7 0

Complementary angles are two angles that add up to 90 degrees

So, 2x + 3x = 90 we have to solve for x

5x = 90

Divide each side by 5

x = 18

Plug 18 into x for 3x and 2x

3x = 3(18) = 54

2x= 2(18) = 36

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Please help!!!! again
aleksandr82 [10.1K]
\frac{y\ miles}{x\ minutes}=\frac{4\ miles}{28\ minutes}\ \ |cross\ multiply\\\\28y=4x\ \ \ \ |divide\ both\ sides\ by\ 28\\\\\boxed{y=\frac{4}{28}x\Rightarrow y=\frac{1}{7}x}
7 0
3 years ago
I need help solving for the angle.​
ohaa [14]
Use a protracter :) hope this helps!
6 0
3 years ago
Can you please answer everything. What fraction every letter on their can run in a minute. Reward brainiest answer: 15 points
oksian1 [2.3K]
Student B:
1/2 / 4
= 1/2 x 1/4
= 1/8

student A:
2/3 / 6
= 2/3 x 1/6
= 1/9

student C:
4/5/ 8
= 4/5 x 1/8
= 1/10


answer
student B: 1/8 of a mile per minute
student A: 1/9 of a mile per minute
student C: 1/10 of a mile per minute
8 0
3 years ago
Help please
natta225 [31]
Using V = ⅓[base area×height]
V= ⅓[ (5.5÷4)² × 2.6]
v= ⅓[ 4.92]
v = 1.6m³
8 0
3 years ago
Calculate the percent decrease 34,000 2,720
Alekssandra [29.7K]
Take 2,720/34,000=.0806. This means that 2,720 is 8.06% of the original number. In order to find the percentage of decrease, you take 100%-8.06%, which equals 91.94%. Your answer is 91.94%.
7 0
3 years ago
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