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aniked [119]
3 years ago
5

SOMEONE PLEASE HELP ME ASAP PLEASE!!!!​

Mathematics
1 answer:
Alborosie3 years ago
7 0
The two lines are parallel, therefor 90-28=internal angle=62. Using trigonometry, Cosine=a/h. Cos(62)=350/x. Rearrange to get 350/Cos(62) = 519.7(1dp)
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Hellppp meeeee PLEASEEEEE...
bonufazy [111]

Step-by-step explanation:

9.2 < 3x = 21.25

3x = 21.25 - 9.2

3x = 12.05

x = 18.2

3 0
2 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=24x%5E%7B2%7D%2Bbx%5E%7B2%7D%20%3D25x%5E%7B2%7D" id="TexFormula1" title="24x^{2}+bx^{2} =25x^{
Liula [17]

Answer:

x = 0

Step-by-step explanation:

Subtract 25x^2 from both sides

24x^2 + bx^2 - 25x^2 - 25x^2

Simplify

bx^2 - x^2 = 0

Factor bx^2 - x^2: x^2(b - 1)

bx^2 - x^2

Factor out common term x^2

= x^2 (b - 1)

x^2(b - 1) = 0

Using the Zero Factor Principle: If ab = 0 then a = 0 or b = 0

x^2 = 0

Apply rule x^n = 0   x = 0

x = 0

8 0
2 years ago
Ava and Addison are saving for a new cell phone. Ava is starting with $100 and adding $5 each week. Addison is starting with $20
diamong [38]

Answer:

it takes 90 weeks for them to have the same amount of money saved which would be 600 dollars

Step-by-step explanation:

100 Addison                                                         200 Ava

1. 10 weeks= $50                                       1. 10 weeks= $40

2. 10 weeks= $50                                      2. 10 weeks= $40

3. 10 weeks= $50                                      3.  10 weeks= $40

4. 10 weeks= $50                                      4. 10 weeks= $40

5. 10 weeks= $50                                      5. 10 weeks= $40

6. 10 weeks= $50                                      6. 10 weeks= $40

7. 10 weeks= $50                                       7. 10 weeks= $40

8. 10 weeks= $50                                       8. 10 weeks= $40

9. 10 weeks= $50                                       9. 10 weeks= $40

Equals $600                                                     Equals $600

Hope this helps took me some time!

6 0
3 years ago
Express 1023.4567 correct to 3 significant figures​
elena-14-01-66 [18.8K]

Answer:

1020

Step-by-step explanation:

well, the first three significant figures stops at the 102, so round the 1023.4567 to a whole number which just becomes 1023

then, round the answer so you only have the 102, so you would round down since 4 or less, which 3 is less than 4, you round down, and you would get 1020

that last 0 is not a significant figure because it does not have a decimal point or any other number following after it--any 0s at the end of a number are not significant if there is no decimal point or other number after them.

4 0
3 years ago
Which statements are true regarding the sides and angles of the triangle? Select three options. Line segment X Y is the longest
sineoko [7]

Answer:

B. Angle X is the largest angle.

C. Angle Z is greater than angle Y.

E. Line segment X Z is the shortest side.

Step-by-step explanation:

YZ = 2n, XZ = n - 2, XY = n + 4 and n ≥ 5.

YZ - XZ = 2n - (n - 2) = n + 2. but n ≥ 5, hence YZ - XZ = n + 2 ≥ 7.

YZ > XZ

YZ - XY = 2n - (n + 4) = n - 4. but n ≥ 5, hence YZ - XY = n - 4 ≥ 1

YZ > XY

XY - XZ = n + 4 - (n - 2) = 6: XY > XZ

Therefore:

YZ > XY > XZ

The angles are proportional to their opposite sides, hence:

∠X > ∠Z > ∠Y

A. Line segment XY is the longest side.

This is wrong because YZ is the longest side.

B. Angle X is the largest angle.

This is correct. ∠X is the largest angle because it is opposite to the longest side (YZ)

C. Angle Z is greater than angle Y.

This is correct. ∠Z is opposite to the side XY while ∠Y is opposite to the side XZ

D. Line segment XZ is opposite the largest angle.

This is wrong. ∠X is the largest angle which is opposite to the longest side (YZ)

E. Line segment X Z is the shortest side.

This is correct

8 0
3 years ago
Read 2 more answers
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