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2 years ago

The triangles below are similar.

Mathematics

2 answers:

Likurg_2 [28]2 years ago

8 0

Answer:

Step-by-step explanation:

Alexeev081 [22]2 years ago

4 0

Answer: the answer is b. XYZ~RQS

your welcome :)

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What is 250/12 plus 100/21 add all that up to get your answer

Dafna1 [17]

Answer:

1075/42

Step-by-step explanation:

$\dfrac{250}{12}+\dfrac{100}{21}=\dfrac{250(21)+(12)100}{(12)(21)}=\dfrac{6450}{252}\\\\=\dfrac{(6)(1075)}{(6)(42)}=\boxed{\dfrac{1075}{42}}$

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2 years ago

Need a little help!!!

telo118 [61]

The answer is 615.44

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1 year ago

Which expression is equivalent to...? Screenshots attached, please help.

BaLLatris [955]

For this case we must simplify the following expression:

$\sqrt [3] {64 * a ^ 6 * b ^ 7 * c ^ 9}$

We rewrite:

$64 = 4 ^ 3\\a ^ 6 = (a ^ 2) ^ 3\\b ^ 6 * b = ((b ^ 2) ^ 3 * b)\\c ^ 9 = (c ^ 3) ^ 3$

So:

$\sqrt [3] {4 ^ 3 * (a ^ 2) ^ 3 * (b ^ 2) ^ 3 * b * (c ^ 3) ^ 3} =\\\sqrt [3] {4 * a ^ 2 * b ^ 2 * c ^ 3) ^ 3 * b} =$

By definition of properties of powers and roots we have:

$\sqrt [n] {a ^ m} = a ^ {\frac {m} {n}}$

So:

$4a ^ 2b ^ 2 c ^ 3 \sqrt [3] {b}$

Answer:

Option B

3 0

2 years ago

I need help with this math

Zinaida [17]

Answer:

Step-by-step explanation:

∠1 + ∠2 = 180 {Supplementary angles}

6x + 15 + 3x + 3 = 180

6x + 3x + 15 + 3 = 180

Combine like terms

9x + 18 = 180

Subtract 18 from both sides

9x = 180 - 18

9x = 162

x = 162/9

x = 18

∠2 = 3x +3

= 3*18 + 3

= 54 + 3

∠2 = 57°

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2 years ago

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Jeremiah read 5/6 a book in 2/3 an hour. How much can he read in an hour?

kaheart [24]

Answer:he can read 1 and 3/12 or 15/12 books in an hour.

Step-by-step explanation:

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2 years ago

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