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ankoles [38]
4 years ago
9

Which expressions are equivalent to 7(-3/4x -3)? Check all that apply

Mathematics
1 answer:
bearhunter [10]4 years ago
3 0
Is it multiple choice? If so, please list them.
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Fnd the missng side length
mixas84 [53]

Answer:

18m?

Step-by-step explanation:

8 0
3 years ago
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Suppose a sample of 256 was taken from a population with a standard deviation of 96 centimeters. What is the margin of error for
astraxan [27]

Answer:

D. 6

Step-by-step explanation:

Here we are given that a sample of 256 was taken from a population with a standard deviation of 96 centimeters i.e. \sigma = 96 and n = 256.

And we have to calculate the margin of error for a 68% confidence interval.

Firstly from z score% table we observe that at 32% level of significance the z score critical value is given by 0.99744 .

<em>And Margin of error formula is given by ;</em>

                        Z_\frac{\alpha}{2} * \frac{\sigma}{\sqrt{n} } = 0.99744 * \frac{96}{\sqrt{256} } = 5.98

Approximately, we get Margin of error = 6.

3 0
3 years ago
WILL MARK BRAINLIEST IF U ANSWER THESE QUESTIONS! BRAINLIEST! ! ​
SVETLANKA909090 [29]

5 or less books can fit, so...

5<x with the line the line under the sign.

8 0
3 years ago
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The Calm Spa charges annual fee of $125 plus $10 per hour of use. The Relax Spa charges annual dues of $230 plus $7 per hour of
Oksi-84 [34.3K]

Answer:

The total number of hours = 35 hours.

Step-by-step explanation:

The annual fee of Calm Spa = $125

Per hour charge of Calm Spa = $10

Annual fee of Relax Spa = $230

Per hour charge of Relax Spa = $7

Now we have to find the number of hours for which both have same cost.

Let the number of hours = x

Thus, 125 + 10x = 230 + 7x

10x-7x = 230 – 125

3x = 105

x = 35

The total number of hours = 35 hours.

6 0
3 years ago
Charlotte runs a farm stand that sells bananas and raspberries. Each pound of bananas sells for $3.25 and each pound of raspberr
Salsk061 [2.6K]

Answer:

50 pounds of bananas

37 pounds of raspberries

Step-by-step explanation:

3.25(b) + 1.75(b - 13) = 227.25

5b - 22.75 = 227.25

5b = 250

b = 50

b - 13 = 37

4 0
3 years ago
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