2 years ago

Plzzz help me i will mark you as brainliest

Mathematics

1 answer:

vitfil [10]2 years ago

3 0

Answer:

10/12

Step-by-step explanation:

6*2=12 so

5*2=10

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Icated (Q#1-4).<br> 2. Solve by substitution; x+3y + 4)<br> 3x - 5y = 8<br> 3 (3x+4)<br> aytla

puteri [66]

Answer:

See explanation

Step-by-step explanation:

Assuming your system is:

$x + 3y = 4$

$3x - 5y = 8$

Then make x the subject in the first equation to get:

$x = 4 - 3y$

Put this equation into the second equation to get:

$3(4 - 3y) - 5y = 8$

$12 - 9y - 5y = 8$

$- 9y - 5y = 8 - 12$

$-14y = - 4$

$y = \frac{ - 4}{ - 14} = \frac{2}{7}$

This means that:

$x = 4 - 3 \times \frac{2}{7}$

$x = 4 - \frac{6}{7} = \frac{22}{7}$

4 0

2 years ago

Select the correct answer.

fgiga [73]

I think i’m not really good at math so..
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(7,-3) and (4,0)

3 0

2 years ago

Read 2 more answers

Help me please and thank you!

mamaluj [8]

7^6 is the correct answer

8 0

2 years ago

A bottle of medicine contains 0.5 kilograms of medicine. One dose of medicine is 20g for kids & 45g for adults. If a medical

vaieri [72.5K]

No (see picture for explanation)

3 0

2 years ago

- The water level of a lake fell by 13 inches during

bezimeni [28]

Answer:

r = - 13 / 15 inches/week

Step-by-step explanation:

The numerator is 13

and the denominator is 15, then we have

r = - 13 / 15 inches/week

r < 0 since the water level of the lake fell

6 0

2 years ago

Plzzz help me i will mark you as brainliest​

Plzzz help me i will mark you as brainliest