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Leona [35]
2 years ago
9

How to solve this problem

Mathematics
1 answer:
erma4kov [3.2K]2 years ago
8 0
You're going to use cross multiplication.
1 gal x 21 miles = 25miles x x
21 miles = 25x
Divide each side by 25 to get x alone
21/25 = 0.84, which is your x value.
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Find the measures of the angles of a right triangle where one of the two acute angles measure 8 times the otehr.
Goryan [66]

Answer:

Step-by-step explanation:

The two acute angles add up to 90 degrees. That's because every triangle has 180 degrees and a right angle is 90 degrees.

<m1 + <m2 + 90 = 180                   Subtract 90 from both sides.

<m1 + <m2 + 90 - 90 = 180 - 90   Combine

<m1 + <m2 = 90

Let m1 = 9*m2                                Substitute.

9m2 + m2 = 90                              Combine

10 m2 = 90                                     Divide by 10

10m2/10 = 90/10

m2 = 9

m1 = 9*m2

m1 = 9 * 9

m1 = 81

The right angle = 90

m1 = 81

m2 = 9

8 0
3 years ago
Pls help i don’t understand
Free_Kalibri [48]

Answer: 495 is the answer

Step-by-step explanation:

11 for the table is 880

11 for the graph is 385

880-385

4 0
2 years ago
Help please ::)))))........................
Zarrin [17]

Answer:

4:9

Step-by-step explanation:

  1. Circles: 8
  2. Total shapes: squares + circles
  3. Total shapes: 10 + 8
  4. Total shapes: 18
  5. Circles : Total shapes = 8:18
  6. 8:18 = 4:9

I hope this helps!

3 0
2 years ago
Read 2 more answers
What is <br> 5<br> 1<br> 2<br> +<br> 2<br> 1<br> 7<br> ?
alina1380 [7]

Answer:

769

Step-by-step explanation:

512

+217

____

729

hope this helps

the fraction answer is 7 9/14 lol

4 0
2 years ago
Read 2 more answers
How would you solve (-1,4),y=3x+5
astraxan [27]

Answer:

y = 12x

Step-by-step explanation:

-1 times 4 equals -4 so you have -4,y = 3x + 5 so you do 5 + 3 so it is 8x then you have -4,y = 8x so you add 4 to each side and it becomes y = 12x

5 0
3 years ago
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