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lorasvet [3.4K]
2 years ago
15

Please help me find y

Mathematics
1 answer:
sertanlavr [38]2 years ago
3 0

Answer:

5

Step-by-step explanation:

cos 60° = y / 10

y = 10 * 1/2 = 5

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HELP! &lt;3<br><br> I have other questions as well not yet posted, if you'd like more points! :3
ratelena [41]

Option B: \frac{AB}{BC}=\frac{AE}{ED} is sufficient to prove that BE ll CD

Explanation:

Given that ACD is a triangle.

The line EB intersects the sides AC and AD of the triangle.

The point E intersect the side AD and B intersect the side AC.

We need to prove that BE ll CD

Then, the side splitter theorem states that "If a line intersects two sides of a triangle and divides the sides proportionally, the line is parallel to the third side of the triangle".

From the side splitter theorem, the line EB intersects the two sides of the triangle AC and AD and divides the sides proportionally.

Thus, the proportion of the sides is given by

\frac{AB}{BC}=\frac{AE}{ED}

This proportionality shows that the line is parallel to the third side of the triangle.

Hence, \frac{AB}{BC}=\frac{AE}{ED} is sufficient to prove that BE ll CD

Therefore, Option B is the correct answer.

3 0
2 years ago
5% of what number is 300?
svlad2 [7]

Answer:

6000

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Which of the following fractions have the same value as 16 ÷ (–3)? Check all that apply.
Snowcat [4.5K]

Answer:

StartFraction 16 over negative 3, EndFraction StartFraction negative 16 over 3, and EndFraction Negative (StartFraction 16 over 3 EndFraction)

I hope this helps

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
In ΔEFG, the measure of ∠G=90°, EF = 95 feet, and FG = 26 feet. Find the measure of ∠F to the nearest degree.
Firdavs [7]

Answer:

74.4°

Step-by-step explanation:

Given

  • ∠G=90° => ΔEFG is a right triangle
  • EF = 95 feet
  • FG = 26 feet

Use sine law to find ∠F

As we know:

Sin(GEF)/ GF = Sin(EGF)/EF

<=> Sin(GEF) / 26 = Sin(90)/95

<=>Sin(GEF) / 26 = 1/95

<=> Sin(GEF)  = 26/95

<=> ∠GEF ≈ 15.8°

=> ∠F = 180° - ∠G - ∠GEF

∠F = 180° - 90° - 15.8° = 74.4°

3 0
2 years ago
Read 2 more answers
Dan had 7 dimes in his bank his dad gave him 9 more dimes how many dimes does Dan have now
timofeeve [1]

Answer:

16 dimes

Step-by-step explanation:

He already has 7, and got 9 more, so we can add 7 and 9

7+9 =16

So, Dan has 16 dimes now

Hope this helps! :)

3 0
3 years ago
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