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3 years ago

I really need help pleaseee on the ones I got wrong

Mathematics

1 answer:

Pachacha [2.7K]3 years ago

8 0

Answer:

7. 2|x+2|-1

8. (-2,-1)

10. y≥2

Step-by-step explanation:

7. a|x-h|+k

Vertical stretch by a factor of two, horizontal shift left two, vertical shift down one

8. (h,k)

10. It should be y, but otherwise you are good

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Kwasi has earned $60 in babysitting money. He spends 40% of this money buying drinks for himself and two friends at Starbucks. H

mart [117]

Answer: Yes

Step-by-step explanation:

Given

Kwasi earned $\$60$ in babysitting

He spends 40% of the money in buying drinks

Money spend is given by

$\Rightarrow 60\times 40\%\\\Rightarrow \$24\\\text{Remaining amount is}\\\Rightarrow 60-24=\$36$

So, Kwasi has enough money left to buy a skateboard.

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2 years ago

Janelys needed to get her computer fixed. She took it to the repair store. The technician at the store worked on the computer fo

Sav [38]

Answer: x = 45

Step-by-step explanation:

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2 years ago

Please help fix my answers this is do tomorrow :( . all the circled ones. Greatly appreciated

Dmitry_Shevchenko [17]

#3 is correct at 120.4

#4 is 15/8...because 3/4+3/4=6/4 (for 20 doors) plus 3/8 (which is half of 3/4 for 5 more doors) equals 15/8 gallons or 1.875 gallons

#5 is $812.50 because if 50 shares cost $125, 325 shares (125×6.5) equals 812.50

7 0

3 years ago

216 divided by 31

Aleksandr-060686 [28]

Answer:

6 r 30

Step-by-step explanation:

Step 1:

Start by setting it up with the divisor 31 on the left side and the dividend 216 on the right side like this:

3 1 ⟌ 2 1 6

Step 2:

The divisor (31) goes into the first digit of the dividend (2), 0 time(s). Therefore, put 0 on top:

3 1 ⟌ 2 1 6

Step 3:

Multiply the divisor by the result in the previous step (31 x 0 = 0) and write that answer below the dividend.

3 1 ⟌ 2 1 6

Step 4:

Subtract the result in the previous step from the first digit of the dividend (2 - 0 = 2) and write the answer below.

3 1 ⟌ 2 1 6

- 0

Step 5:

Move down the 2nd digit of the dividend (1) like this:

3 1 ⟌ 2 1 6

- 0

2 1

Step 6:

The divisor (31) goes into the bottom number (21), 0 time(s). Therefore, put 0 on top:

0 0

3 1 ⟌ 2 1 6

- 0

2 1

Step 7:

Multiply the divisor by the result in the previous step (31 x 0 = 0) and write that answer at the bottom:

0 0

3 1 ⟌ 2 1 6

- 0

2 1

Step 8:

Subtract the result in the previous step from the number written above it. (21 - 0 = 21) and write the answer at the bottom.

0 0

3 1 ⟌ 2 1 6

- 0

2 1

- 0

2 1

Step 9:

Move down the last digit of the dividend (6) like this:

0 0

3 1 ⟌ 2 1 6

- 0

2 1

- 0

2 1 6

Step 10:

The divisor (31) goes into the bottom number (216), 6 time(s). Therefore put 6 on top:

0 0 6

3 1 ⟌ 2 1 6

- 0

2 1

- 0

2 1 6

Step 11:

Multiply the divisor by the result in the previous step (31 x 6 = 186) and write the answer at the bottom:

0 0 6

3 1 ⟌ 2 1 6

- 0

2 1

- 0

2 1 6

1 8 6

Step 12:

Subtract the result in the previous step from the number written above it. (216 - 186 = 30) and write the answer at the bottom.

0 0 6

3 1 ⟌ 2 1 6

- 0

2 1

- 0

2 1 6

- 1 8 6

3 0

You are done, because there are no more digits to move down from the dividend.

The answer is the top number and the remainder is the bottom number.

Therefore, the answer to 216 divided by 31 calculated using Long Division is:

30 Remainder

8 0

3 years ago

Graph the function. Upload a handwritten copy of your graph as your final answer.

Serhud [2]

The function is divided in 2 parts:

For x<0, the function is $y=x$ , which is a linear function, and its graph is a line.

For x≥0, the function is $y=-x^2$ , which is a quadratic function, and its graph is a parabola.

Note that y=x is the line containing the points (0, 0), (1, 1), (5, 5) etc, that is, it is the line passing through the origin, with an inclination of 45° with the positive x-axis.

The parabola $y=-x^2$ is the parabola $y=x^2$ reflected with respect to the x-axis. It contains points like (0, 0), (-1, 1), (2, -4) etc...

The 2 graphs, with domain all real numbers, are shown in the first picture.

The second picture is the graph of the function described in our problem. We use the first picture, but restrict the domains.

That is, we delete the part of the line corresponding to x≥0, and the part of the parabola corresponding to x<0.

7 0

3 years ago