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3 years ago

7

Which of the following is a statistical question that might be used to gather data from a specific group?

1 answer:

kupik [55]3 years ago

3 0

It’s is b your welcome

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Identify the class midpoints for the given frequency distribution.

german

Answer:

s

Step-by-step explanation:

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2 years ago

Verify <br>cos^4x-sin^4x=cos2x

kati45 [8]

A^2 - b^2 = (a - b)( a +b);
<span>cos^4x-sin^4x =( cos^2x + sin^2x )( cos^2x - sin^2x) = 1* cos2x = co2x.</span>

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2 years ago

Identify the constant term in this expression 7p - 3p + 9 + x

ANEK [815]

Answer:

the constant in this expression is 9 because it is not a coefficient of any variable

7 0

2 years ago

Read 2 more answers

Solve 30 = −5(6n + 6), justifying each step with an algebraic property.

Liula [17]

1) property of distribution: 30 = -30n - 30
2) inverse property of addition: 60 = -30n
3) inverse property of multiplication: -2 = n

step 2: subtract 30 from both sides
step 3: divide -30 from both sides

7 0

3 years ago

Help anyone?? Not that hardd<br> no links ! :(

Ivanshal [37]

Answer:

1.2

Step-by-step explanation:

First, you cancel out $\frac{6}{20}$ to become $\frac{3}{10}$

Then that becomes $-\frac{3}{10}+1.5$

Now, you convert the element to a decimal form to be $-0.3+1.5$

Finally, you subtract them (because a negative plus a positive is subtraction) to get the final answer of 1.2

Hope this helps!

6 0

2 years ago