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3 years ago

Please help me please please help please

Mathematics

1 answer:

poizon [28]3 years ago

6 0

Answer:

its 2 blurry so i cant help take a better pic and i should be able to help you out

Step-by-step explanation:

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Find the scale factor of PQRS to JKLM and the values of w, x, and y.

o-na [289]

D cause Times x by y and your answer should be

5 0

3 years ago

Two persons work together at the local aquarium. It takes the first person 120 minutes to clean the jellyfish tanks. Since the s

matrenka [14]

Answer:

168 minutes

Step-by-step explanation:

It takes 120 minutes for the first person to clean the jellyfish tank.

This means that in 1 minute the first person cleans $\frac{1}{120}$ of the tank.

Let the time taken by the second person working alone to clean the tank be x minutes.

Then in 1 minute the second person cleans $\frac{1}{x}$ of the tank.

Working together, the two persons clean,

$\frac{1}{120} + \frac{1}{x}$ of the tank

But it is given that the two persons working together can clean the tank in 70 minutes. This means that in 1 minute both of them can clean $\frac{1}{70}$ of the tank.

Expressing in equation form:

$\frac{1}{120} + \frac{1}{x} = \frac{1}{70}$

$=> \frac{1}{x} = \frac{1}{70} - \frac{1}{120}$

$=> \frac{1}{x} = \frac{12-7}{840}$

$=> \frac{1}{x} = \frac{5}{840}$

$=> \frac{1}{x} = \frac{1}{168}$

$=> x = 168$

This means that the second person can clean the tank in 168 minutes.

7 0

3 years ago

Two angles are supplementary. The measure of one angle is 54 more than the measure of the other angle. What is the measure of th

il63 [147K]

Answer:

bigger angle is 117°

Step-by-step explanation:

x+x+54= 180 (when two angles are complementary it means that their sum is 180 degrees)

2x+54=180

2x= 180-54

2x=128

x=126/2

x= 63

x1= smaller angle

x1= 63

x2= bigger angle

x2= 63+54

x2=117

4 0

3 years ago

Help please. This is due tomorrow

Ray Of Light [21]

Answer:

96 is accortinaded to x therefore x - 76 = 89 x = 13

Step-by-step explanation:

3 0

2 years ago

5/2x+1/2x=10+7/2x<br><br> PLEASE I NEED HELP ;))))

zlopas [31]

Answer:

The answer is that x = -20.

Step-by-step explanation:

The equation:

5/2x + 1/2x = 10 + 7/2x

6/2x = 10 + 7/2x

-7/2x + 6/2x = 10

-1/2x = 10

-1/2x * -2 = 10 * -2

x = -20

Proof:

5/2*-20 + 1/2*-20 = 10 + 7/2(-20)

-50 + (-10) = 10 + (-70)

-50 - 10 = 10 - 70

-60 = -60

5 0

4 years ago

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