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3 years ago

Solve for super big brain

Mathematics

1 answer:

abruzzese [7]3 years ago

8 0

Answer:

125

Step-by-step explanation:

TY NOT BRAINLIEST PLEASE

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In a school 2/3 parts of the total numbers of students. 3/10 parts are between 8 to 12 years and the remaining are above 12 year

ANEK [815]

3/10

As you know the answer already I don't think you need any further explanation :)

5 0

3 years ago

Follow the directions to solve the system of equations by elimination. 8x + 7y=39 4x – 14y = -68

harina [27]

Step-by-step explanation:

Hey there!

Here;

The equations are;

$8x + 7y = 39.......(i)$

$4x - 14y = - 68..........(ii)$

Multiplying equation (i) by 2.

16x + 14y = 78

4x - 14y = -68

20x = 10

$x = \frac{10}{20}$

x = 1/2.

Putting value of 'x' in equation (i).

$8 \times \frac{1}{2} + 7y = 39$

$4 + 7y = 39$

$7y = 3 9 - 4$

$y = \frac{35}{7}$

Therefore the value of y is 5.

Check:

Put value of x and y in equation (i).

8x + 7y = 39

$8 \times \frac{1}{2} + 7 \times 5 = 39$

$4 + 35 = 39$

$39 = 39$

(True).

Therefore, the solution is ; (1/2,5).

Hope it helps...

8 0

3 years ago

Can someone pls help for brainlest

Sergio039 [100]

Answer:

144

Step-by-step explanation:

5 0

3 years ago

Help!!!

nordsb [41]

Answer:

1 1/5 per person.

Step-by-step explanation:

You have to evenly divide the 6 funnel cakes among 5 people, so the equation you have to use is division.

5/6

= 1 1/5

6 0

2 years ago

Write an equation to match each graph:please help me?

Oksi-84 [34.3K]

Y = 5x
Y is vertical axis, x is horizontal. Whatever the value of x is, y is 5 times that number

6 0

3 years ago

Read 2 more answers