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Ronch [10]
3 years ago
7

Help me plis What is the exact measurement of the line segment? A. B. C. D.

Mathematics
2 answers:
masha68 [24]3 years ago
4 0

Answer: where is the line segment

Step-by-step explanation:

AnnyKZ [126]3 years ago
4 0

Answer:

B

Step-by-step explanation:

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In ΔDEF, the measure of ∠F=90°, DE = 70 feet, and EF = 57 feet. Find the measure of ∠D to the nearest tenth of a degree.
kondor19780726 [428]

Answer:

  54.5°

Step-by-step explanation:

You know that in a right triangle, the sine of an angle is given by ...

  Sin = Opposite/Hypotenuse

  sin(D) = EF/ED = 57/70

The inverse sine function is used to find the angle:

  ∠D = arcsin(57/70)

  ∠D ≈ 54.5°

5 0
2 years ago
What is the image of (-6,-5) after a reflection over the -axis
AfilCa [17]

If the axis is x then you go to y so (6, 5)

7 0
2 years ago
To solve for x in the equation x - 4 = 19, which inverse operation would you
lara31 [8.8K]
Add 4 to both sides......
5 0
2 years ago
Read 2 more answers
Adding and subtracting the given polynomials
Usimov [2.4K]

You have to combine like terms, so the variable (x, y, s, d, c....) and the exponents must be the same in order to combine them.

For example:

x² + x³    Since they don't have the same exponent, you can't combine them

y² + 3y² = 4y²

23x + x = 24x

4. 2s² + 1 + s² - 2s + 1    You can rearrange it if it makes it easier

2s² + s² - 2s + 1 + 1 = 3s² - 2s + 2

5. 5t² - 2t - 1 - (3t² - 5t + 7) Distribute/multiply the - to (3t² - 5t + 7)

5t² - 2t - 1 - 3t² + 5t - 7 = 2t² + 3t - 8

Do the same for #9 and #10, and you should get:

9. 2k² + 5k - 9

10. 6y³ - 7y² - 6y - 12

3 0
3 years ago
Neeed Help ASAP Quick
Andrew [12]

Answer:

4; 7

Step-by-step explanation:

Small box = 25 and Large box = 50

small box = x and large box = x+3

25x+50(x+3)=450

25x+50x+150=450

75x=300

x=4

Large box = 4+3 = 7

Therefore, 4; 7

I hope this helped and have a good rest of your day!

3 0
2 years ago
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