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3 years ago

Help plz!!!? show work

Mathematics

2 answers:

Harrizon [31]3 years ago

7 0

0.5+1.75x
If this doesn't make sense, comment and I will clarify!

levacccp [35]3 years ago

6 0

All you have to do is multiply 1.75x4=7. They will have exactly 4 hours to play 7 movies (exactly). Hope this helps

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Parallelogram MNPQ was dilated to create parallelogram M'N'P'Q'. On a coordinate plane, 2 parallelograms are shown. Parallelogra

Naddika [18.5K]

Answer:

The answer is below

Step-by-step explanation:

Which statements are true about the parallelograms? Check all that apply.

The length of side MN is 2 units.

The length of side M'N' is 5 units.

The image is smaller than the pre-image.

Sides MQ and M'Q' both have the same slope, 1.

The scale factor is 2/5

a) The length of side MN is determined using the formula:

$|MN|=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}=\sqrt{(4-2)^2+(-2-(-2))^2}=\sqrt{2^2}=2\\ \\ |MN|=2$

The first option is correct

b) The length of side M'N' is determined using the formula:

$|M'N'|=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}=\sqrt{(10-5)^2+(-5-(-5))^2}=\sqrt{5^2}=2\\ \\ |M'N'|=5$

The second option is correct

c) From the coordinates of parallelogram MNPQ and M'N'P'Q', we can see that parallelogram MNPQ is dilated by a factor of 5/2 to produce parallelogram M'N'P'Q' , hence parallelogram M'N'P'Q' is bigger that parallelogram MNPQ. This means that The image is bigger than the pre-image.

The third option is wrong

d) The slopes are given as:

$Slope\ of\ MQ=\frac{Change\ in\ y}{Change\ in\ x}=\frac{1-2}{-3-(-2)} =1\\ \\Slope\ of\ M'Q'=\frac{Change\ in\ y}{Change\ in\ x}=\frac{3-5}{-7-(-5)} =1\\$

Option four is correct

e) From the coordinates of parallelogram MNPQ and M'N'P'Q', we can see that parallelogram MNPQ is dilated by a factor of 5/2 to produce parallelogram M'N'P'Q', hence the scale factor is 5/2

Option 5 is wrong

6 0

3 years ago

Read 2 more answers

1 over 4 minus 1 over 8

fgiga [73]

I hope this helps you

1^4-1^8

1-1

0

8 0

3 years ago

Find the area of a sector with the given central angle α in a circle of radius r.

kotykmax [81]

Area = [(a)(pi•r^2)]/360

1. set up a proportion
a/360 (# of ° in circle) = area of circle/ (pi•r^2)

2. cross multiply
360area of circle = (a•pi•r^2)

3. divide

8 0

4 years ago

The depth of water in a tank that’s in the shape of a rectangular prism is inversely proportional to the area of its base if the

ivanzaharov [21]

Answer:

If the depth is 8 feet, the area of the base is 300 square feet. And if the area of the base is 600 square feet, the depth of the water is 4 feet.

Step-by-step explanation:

Depth = Volume/Area

d = V/A

12 = V/200

V = 12 × 200

= 2,400

When d = 8, A = 300

V = dA

= 8 × 300

= 2,400

When d = 4, A = 600

V = 4 × 600

= 2,400.

The first option is correct.

6 0

3 years ago

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WILL MARK BRAINLIEST IF CORRECT

Virty [35]

Answer:

5/6

Step-by-step explanation:

Its the only fraction that has 0.833333...

3 0

3 years ago

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