3 years ago

What would you need to multiply by in order to solve this system of equations using the linear combination (elimination) method?

1 answer:

3 0

D) Multiply the 1st equation by 5 and multiply the 2nd equation by 2. This will eliminate the y's when you add the two new equations together.

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Find the number of the natural numbers between 101 and 999 which are divisible by both 2 and 5 in AP

yaroslaw [1]

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$110,120,130,...,990$

$n = \frac{990 - 110}{10} + 1 \\$

$n = \frac{880}{10} + 1 \\$

$n = 88 + 1$

$n = 89$

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3 years ago

Again I’m confused.. show all work step by step so I understand?

goblinko [34]

Answer:

$\frac{6}{x} = \frac{4}{8}$

Multiple across equal sign (Denominator x Nominator and vise versa)

$4x = 6 \times 8$

$4x = 48$

$x = 48 \div 4$

$x = 12$

7 0

3 years ago

Read 2 more answers

What two numbers add to make 36 with one of the numbers being exactly twice the other?

11111nata11111 [884]

Answer:

12 and 24

Step-by-step explanation:

2 numbers, x in this case, with one being twice the other, one of them will be 2x, equals 36. Your equation would look like this: 2x+x=36. Simplify it to get 3x=36, divide the 3 and you get 12. 12 will be your small number then multiply by 2 to get your large one, 24.

7 0

3 years ago

Find the circumference for 6 and 8

Naya [18.7K]

Answer:
6. 98.01
8. 32.04

5 0

3 years ago

What is the slope of the line that passes through the points (1, 1) and (4, 4)?

gizmo_the_mogwai [7]

Answer:

The answer is 1

Step-by-step explanation:

Formula for finding the slope: $\frac{y2-y1}{x2-x1}$

Take y2 and y1 from (4,4) (1,1)

Take x2 and x1 from (4,4) (1,1)

$\frac{y2-y1}{x2-x1} = \frac{4-1}{4-1} = \frac{3}{3} = 1$

This is how the answer is 1

Hope it helps :)

8 0

1 year ago