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Slav-nsk [51]
3 years ago
6

Help!!!!!! I’ve been working on this for 1 hour

Mathematics
1 answer:
kifflom [539]3 years ago
5 0

Answer:

7.83

Step-by-step explanation:

cos(40)=6/(ZX)

zx=7.83

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3 times the measurement of an angle is 14 less than the measure of its compliment. whats the measurement of the angle?
Rina8888 [55]
The answer is 71°.
x = angle
3x = 90 - x - 14
4x - 76
x = 19°
90 - x = 71°
5 0
3 years ago
A Party Store sells large plates in packs of 12 and small plates in packs of 8. In order to have an equal number of both, what i
erik [133]

Answer:

8 12 packs and 12 8 packs.

Step-by-step explanation:

6 0
2 years ago
A red balloon starts at 7.3 meters off the ground and rises at 2.6 meters per second. A blue balloon starts at 12.4 meters off t
nexus9112 [7]
This problem is an example of solving equations with variables on both sides. To solve, we must first set up an equation for both the red balloon and the blue balloon. 

Since the red balloon rises at 2.6 meters per second, we can represent this part of the equation as 2.6s. The balloon is already 7.3 meters off of the ground, so we just add the 7.3 to the 2.6s: 

2.6s + 7.3

Since the blue balloon rises at 1.5 meters per second, we can represent this part of the equation as 1.5s. The balloon is already 12.4 meters off of the ground, so we just add the 12.4 to the 1.5:

1.5s + 12.4

To determine when both balloons are at the same height, we set the two equations equal to each other: 

2.6s + 7.3 = 1.5s + 12.4

Then, we solve for s. First, the variables must be on the same side of the equation. We can do this by subtracting 1.5s from both sides of the equation: 

1.1s + 7.3 = 12.4

Next, we must get s by itself. We work towards this by subtracting 7.3 from both sides of the equation: 

1.1s = 5.1

Last, we divide both sides by 1.1. So s = 4.63. 

This means that it will take 4.63 seconds for both balloons to reach the same height. If we want to know what height that is, we simply plug the 4.63 back into each equation: 

2.6s + 7.3
= 2.6 (4.63) + 7.3
= 19.33

1.5s + 12.4
= 1.5 (4.63) + 12.4
= 19.33

After 4.63 seconds, the balloons will have reached the same height: 19.33 meters.
6 0
3 years ago
Find x please and FAST!!!
Vsevolod [243]

Answer:

19

Step-by-step explanation:

Angle ZYW is congruent to angle YWX, so the 3 angles must add to 180.

(3x - 5) + 90 + 2x = 180

5x + 85 = 180

5x = 95

x = 19

4 0
2 years ago
Two numbers are randomly selected on a number line numbered 1 through 9. The same number can be chosen twice. What is the probab
Effectus [21]
(3)/(8+7+6+5+4+3+2+1)(no repitition)
=3/36
=1/12
4 0
3 years ago
Read 2 more answers
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