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3 years ago

Please help me with any of these questions

Mathematics

1 answer:

Anuta_ua [19.1K]3 years ago

3 0

Answer:

10.-8/-2 can't represent calculating a mean change in score because a mean change in score is counted by adding up the scores & then dividing it by the number of the scores. As a number of scores can never be negative, so -8 can't be divided by -2 . So, -8/-2 can't represent this.

6. a) Andrea's mean weekly change will be negative. Because after adding up her weekly changes, we'll find a negative number. & as the number of weeks is positive, then the mean will be a negative number .

b)the division equation is: -15/5

So, her mean weekly change is -3

Step-by-step explanation:

I know it's late, but I hope it helps

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kobusy [5.1K]

Answer: Triangle A'B'C is an enlargement of triangle ABC

Step-by-step explanation: When figuring out whether a dilation of a triangle is an enlargement or reduction, you see if the scale factor is larger or smaller than 1. If the scale factor is less than 1, it's a reduction. If the scale factor is larger than 1, it's an enlargement. 4/3 > 1 so this means the triangle gets bigger and is an enlargement. This means triangle A'B'C is an enlargement of triangle ABC.

4 0

3 years ago

Tyler baked 702 cookies he sold them in boxes of 18 after selling all of the boxes of cookies for the same amount of each he ear

jenyasd209 [6]

Keywords:

<em>Cookies, boxes, sale, profit, unit cost </em>

For this case we have to bake an amount of 702 cookies, which were distributed in boxes of 18 for sale. Selling each box at the same price earned a profit of 136.50 dollars, you want to know the unit cost of each box of cookies.

Let $"x"$ be the number of boxes of cookies:

So, to know the number of boxes we divide 702 cookies among 18:

$x = \frac {702} {18}\\x = 39$

So, we have Tyler sold 39 boxes of cookies

Now, let $"y"$ be the cost of each box of cookies, to know the unit cost or sale price of the cookie boxes, we divided 136.50 dollars among 39 boxes of cookies, then:

$y = \frac {136.50} {39}\\y = 3.5$

Thus, the cost of each box was 3.5 dollars.

Answer:

The cost of a box is 3.5 dollars

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3 years ago

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Hey can you please help me posted picture of question

liraira [26]

Vertically compressed means multiplying the function by a number between -1 and 1

From the given options only option C contains such an expression in which x² is multiplied with a number between -1 and 1.

Thus,

G(x) = 3/4 x²

So, the correct answer is option C

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3 years ago

after a few mathletes join the team, the team is able to solve 40% more problems per session. Of the team can solve 42 problems

photoshop1234 [79]

Answer:

Step-by-step explanation:

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3 years ago

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8.51 is what percent of 18.5

Flura [38]

dive the two numbers:

8.51 / 18.5 = 0.46

0.46 = 46%

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3 years ago