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Arte-miy333 [17]

4 years ago

11

On a true/false test, the ratio of true questions to false questions is 3 to 7. What is the ratio of true questions to total que

stions? 3 to 10 7 to 3 3 to 7 4 to 7

2 answers:

Over [174]4 years ago

5 0

Answer:

True

Step-by-step explanation:

Umh

Andrei [34K]4 years ago

5 0

3 to 10

hope this helps

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√(25 - 10 √(3) + 3)<br> (not as a decimal)

nikitadnepr [17]

Answer:

$\huge\boxed{\sqrt{25-10\sqrt3+3}=5-\sqrt3}$

Step-by-step explanation:

$\sqrt{25-10\sqrt3+3}=(*)\\\\25=5^2\\3=(\sqrt3)^2\\10\sqrt3=(2)(5)(\sqrt3)\\\\(*)=\sqrt{5^2-(2)(5)(\sqrt3)+(\sqrt3)^2}\\\\\text{use}\ (a-b)^2=a^2-2ab+b^2\\\\=\sqrt{(5-\sqrt3)^2}\\\\\text{use}\ \sqrt{a^2}=|a|\\\\=|5-\sqrt3|=5-\sqrt3\\\\^{\text{because}\ 5>\sqrt3\to5-\sqrt3>0}$

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3 years ago

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4 years ago

Read 2 more answers

over the last evening, Karen received a total of 75 phone calls at the call center. The second evening, she received 3 times as

Marysya12 [62]

Answer: if you’re saying she received 75 calls the first evening then she would have received 10 more then that which is 85 on the third evening and 85x3 = 255 on the second evening.

So first evening 75
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4 years ago

HELPPPP The equation 2x = 3y – 5 when written in slope-intercept form is: y = 2x – 5. y = -2x + 5. y = 2x + 5. None of these cho

zzz [600]

Answer:

Y= 2/3x +(5/3)

Step-by-step explanation:

First, have to get Y alone on one side 3y=2x+5

Second, have to get read of the 3 with the Y so divide each side by three.

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3 years ago