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Rudik [331]
3 years ago
5

Question 5(Multiple Choice Worth 5 points)

Mathematics
1 answer:
Readme [11.4K]3 years ago
5 0

Answer:

2.25

Step-by-step explanation:

(3^2•5^0/4)

9x1/4

9/4

2.25

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In 1998 a San Diego reproductive clinic reported 49 births to 207 women under the age of 40 who had previously been unable to co
RUDIKE [14]

Answer:

828

Step-by-step explanation:

To cut the margin of Error in half, the clinic needs quadruple of the sample size.

If the sample size is 207 women,

Then quadruple of 207 = 4 * 207 = 828

7 0
3 years ago
Of the following, which is the solution to 2x2 − 5x = −8? the quantity negative five plus or minus i times the square root of th
aleksandrvk [35]
2x²-5x+8=0
use the quadratic formula, x=(5+√39i)/4 of x=(5-√39i)/4
looks like the second choice is correct.
4 0
3 years ago
Read 2 more answers
Mario works at a snack bar near the beach for 2 hours each Saturday. one Saturday, he started with 30 bottles of juice and sold
PSYCHO15rus [73]

Answer:

12 bottles were sold in the second hour.

Step-by-step explanation:

This problem can be solved by implementing an equation in one variable.

The equation will utilize the given values including total bottles of juice, the amount of juice sold in the first hour and amount of juice remaining at the end.

The equation will also consist of the value to be found out, the amount of juice sold in the second hour.

The value to be found out is substituted by a variable.

The equation is then solved by transfer of values and/or variable on the opposite side of the equal sign.

When a value/ variable is transferred on the opposite side of the equal sign, the sign of the value/ variable becomes the opposite.

The negative sign becomes positive and multiplication becomes division, and vice-versa.

1. In the first hour, \frac{3}{15} of all the juice was sold.

\frac{3}{15} of 30 is calculated as

\frac{3}{15} x 30 = 6

6 bottles are sold in the first hour.

2. At the beginning of the second hour, the amount of juice remaining is assumed to be a.

3. As per the question, at the end of second hour, the remaining juice is \frac{6}{15}.

\frac{6}{15} of 30 is calculated as

\frac{6}{15} x 30 = 12

12 bottles are remaining at the end of the second hour.

4. Alternatively, at the end of second hour, 30 - 6 - a of the juice is remaining.

We get, 24 - a bottles are remaining at the end of the second hour.

We equate the above expression with 12, we get the following equation.

24 - a = 12

Next, we transfer a from left side to the right side of the equation.

24 = 12 + a

Next, we transfer 12 from right side to the left side of the equation.

24 - 12 = a

=> 12 = a

OR

a = 12

Hence, 12 bottles were sold in the second hour.

5 0
3 years ago
You have just enough coins to pay for a loaf of bread priced at $1.95. You know you have a total of 12 coins, with only quarters
blondinia [14]
4+8=12 0.10 4F BY FGGH
5 0
3 years ago
All of the following are included in the calculation of accounting profit EXCEPT which of option?
aivan3 [116]

Answer:

                         a

Step-by-step explanation:

3 0
2 years ago
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