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yarga [219]
3 years ago
5

Seven times the difference of 15 and a equals to -56

Mathematics
1 answer:
vlabodo [156]3 years ago
8 0
7*(15-a) = -56
Divide both sides by 7
15-a = -8
Subtract 15 from both sides
-a = -23
Divide both sides by -1
a = 23
Hope that's correct for you and it helps!!
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Kati has of a bag of frozen fruit. She used of the fruit to make smoothies. Which equation represents the amount of fruit Kati u
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Answer:

The amount of frozen fruit used to make smoothies is equal to the total number of frozen fruits minus the remainder of fruits after making smoothies.

Step-by-step explanation:

Let

Total number of frozen fruits = F

Let the amount of frozen fruits used for making smoothies = S

The remaining frozen fruits = R

Then

F - S = R

To get the amount of frozen fruits used to make smoothies, we make S the subject of the formula.

-S = R - F

S = F - R

That is, the amount of frozen fruit used to make smoothies is equal to the total number of frozen fruits minus the remainder of fruits after making smoothies.

8 0
3 years ago
Can anyone help me out with this Adding and Subtracting Radicals? Answers must be simplified radicals. Ty in advance! ❤️
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Answer: the first one is 9 √ 5   the second one is  250√  2 + 16 + 242i

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Step-by-step explanation:

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3 years ago
The expression 8x+2 factored using GFC is
NeX [460]

Answer:

2(4x+1)

Step-by-step explanation:

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5 0
4 years ago
You are running a concession stand at a basketball game. You are selling hot dogs and sodas. Each hot dog costs $1.50 and each s
DochEvi [55]

Answer:

<u>x= 35 hot dogs</u>

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Step-by-step explanation:

x= hot dogs

y= soda

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2 x 0.50 y = 78.50 .............2

Eliminate y

multiply (1)by -0.50

Multiply (2) by 1.00

-0.50 x -0.50 y = -43.50

2 x + 0.50 y = 78.50

Add the two equations

1 x = 35.00

/ 1

x = 35.00

plug value of x in (1)

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y = 87 -35

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6 0
3 years ago
In a survey of 200 publicly-traded companies, the average price-earnings ratio was 18.5 with a standard deviation of 8.2. When t
mamaluj [8]

Answer:

Null Hypothesis: H0:μ ≤ 16.8

Alternative Hypothesis: Ha: μ > 16.8

Step-by-step explanation:

We are told that affer testing the hypothesis (at the 5% level of significance), that the average price-earnings ratio increased from the past value of 16.8.

It means that the past value was not more than 16.8.

This follows that the null hypothesis is given as;

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And since it has been discovered that the ratio increased from the past value of 16.8, the alternative hypothesis is;

Ha: μ > 16.8

5 0
3 years ago
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