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Alekssandra [29.7K]
3 years ago
5

What does x and y equal when -2x+5y=-21

Mathematics
1 answer:
natima [27]3 years ago
5 0
That’s the answer to the problem

You might be interested in
If 4 liters equals 1 gallon then how many liters are in15.9 gallon of diluting agent?
svet-max [94.6K]

Answer:

63.6 liters

Step-by-step explanation:

1 gallon = 4 liters

15.9 gallons = ? liters

To find the number of liters, multiply 4 by 15.9.

15.9 gallons = 63.6 liters

If this anser is correct, please make me Brainliest!

4 0
3 years ago
Please show work!!!!!!!
kolezko [41]

Answer:

B

Step-by-step explanation:

The cylindrical part

Area of the cylindrical part = Circumference of the circle * height

Area of the cylindrical part = pi * d * height

Area = 3.14 * 10 * 9

Area =                                                                                282.6

Lid

Area = pi * r^2

r = 5

Area = 3.14* 5^2 * 2

Area =                                                                         <u>         157</u>

Total                                                                                    439.6                                                                        

I know this doesn't look right according to the diagram, but it is the only way that you can solve the question. That is, you must assume there are two lids, not one as the diagram suggests.

4 0
2 years ago
This rectangular prism is created with centimeter cubes. how many cubed centimeters make up this prism? rectangular prism compos
VladimirAG [237]
5 i think not sure tho
4 0
3 years ago
Which value for k makes the equation 42 ÷ k = 14 true? Select all that apply. A. 588 B. 62 C. 1452 D. 3 E. 23
Alexus [3.1K]

Answer:

A

Step-by-step explanation:

What divided by 42 equals 14? In other words, you have an unknown number (X), and then if you divide that X by 42 you get 14. Then what is that X? The equation to calculate what divided by 42 equals 14 is as follows: X/42 = 14 Where X is the answer. When we solve the equation by multiplying each side by 42, you get get:

X = 588

3 0
2 years ago
Help me plzzzzz.....
AURORKA [14]

Set up the equation:

x=(3x-70)

0=2x-70

2x=70

x=35

Now to find LMN we plug it back in:

3(35)-70=35

Final answer: 35 degrees

:)

4 0
3 years ago
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