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Elenna [48]
3 years ago
10

Solve the system of linear equations by elimination. - - 3x + 4y = 18 6x+2y = -6

Mathematics
1 answer:
Burka [1]3 years ago
8 0

Answer:

-9

Step-by-step explanation:

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If a teacher makes $13.50/ hour,:
natali 33 [55]

Answer:

10 years

Step-by-step explanation:

5 0
3 years ago
Find the surface area of a square pyramid with a base length of 24 cm and a height of 16 cm. Explain how you solved the problem.
icang [17]

Answer:

the answer b

Step-by-step explanation:

[surface area]=[area of 4 triangles sides]+[area of square base]

[area of square base]=24*24--------> 576 cm²

[area of one triangles side]

l=slant height

l²=16²+12²-------> l²=400-----------> l=20 cm

[area of one triangles side]=24*20/2--------> 240 cm²

[area of 4 triangles sides]=4*240----------> 960 cm²

[surface area]=[960]+[576]--------> 1536 cm²

6 0
3 years ago
A line has a slope of 0.5<br> and passes through the point (0,5). What is the equation of the line?
EleoNora [17]

Step-by-step explanation:

Hi there!

From the question;

The slope of the line is 5/10 or 0.5.

Also the equation of the line passes through the point (0,5).

Note: Use one point formula. {i.e (y-y1)=m(x-x1)}

So, use the formula here and keep the values;

(y-5) = 5/10(x-0)

or, 10(y-5) = 5x

or, 10y-50 = 5x

or, 5x - 10y +50 = 0

Therefore, the required equation is 5x - 10y +50 = 0 or x-2y+10 = 0.

Hope it helps!

6 0
2 years ago
Doreen bought 2 liters of lemonade. How many millimeters of lemonade did Doreen buy? ​
MatroZZZ [7]

Answer:

Mr. Perkins changed the oil in his car. He bought. 6 liters of oil. He put 4,500 ml in his car.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Estimate the difference of 450.012 and 57.876 to the nearest hundredth. A. 392.1 B. 392.13 C. 392.136 D. 392.14
Doss [256]

Answer:

C

Step-by-step explanation:

Sorry if im wrong i tried my best

8 0
3 years ago
Read 2 more answers
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