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3 years ago

PLEASE HELP!! WILL GIVE BRAINLIEST!!!

Mathematics

1 answer:

schepotkina [342]3 years ago

6 0

12 cups= 3 quarts

there ya goo

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L 5.2.3 Quiz: Two-Variable Systems: Substitution

Misha Larkins [42]

Answer:

We get x=3 and y=21

The ordered pair will be: (3,21)

Step-by-step explanation:

We need to use the substitution method to solve the system of equations.

$y = 10x-9\\y = x + 18$

For substitution method we substitute the value of x or y from one equation to other.

Let:

$y = 10x-9--eq(1)\\y = x + 18--eq(2)$

Putting value of y from equation 2 into equation 1

$y=10x-9\\Put\:y=x+18\\x+18=10x-9\\x-10x=-9-18\\-9x=-27\\x=\frac{-27}{-9}\\x=3$

So, we get value of x=3

Now, for finding value of y, We substitute the value of x

Find value of x from equation 2

$y=x+18\\x=y-18$

Now, putting value of x in equation 1

$y=10x-9\\Put\:x=y-18\\y=10(y-18)-9\\y=10y-180-9\\y-10y=-189\\-9y=-189\\y=\frac{-189}{-9}\\y=21$

So, we get value of y=21

So, We get x=3 and y=21

The ordered pair will be: (3,21)

6 0

2 years ago

Find the sum of the first 7 terms of the following series, to the nearest integer.

givi [52]

Answer:

9.983796

Step-by-step explanation:

Every time, it becomes smaller by 5/2 (6 divided by 5/2 is 12/5.... 12/5 divided by 5/2 is 24/25)

So, the first seven terms are 6, 2.4, 0.96, 0.384, 0.1536, 0.06144, 0.024756. Add them together and your answer would be 9.983796

Pleaseeee mark me brainliest :))

3 0

2 years ago

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Name this three dimensional figure

vodomira [7]

Answer:

Square Pyramid

Step-by-step explanation:

Hope this helps!

8 0

2 years ago

Determine the slope intercept form of the equation of the line through the given points:

Mars2501 [29]

Answer:

5/-6

Step-by-step explanation

use rise/run to get 4-(-1)/-5-1 to get 5/-6

3 0

3 years ago

Which one is it , I’m having a hard time I’m a freshman.

IgorC [24]

I believe it should be C

5 0

3 years ago

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