2 years ago

Systems of elimination for 2w-3q=8 3w-7q=7

Mathematics

1 answer:

zlopas [31]2 years ago

8 0

i guess is by multiplying 3by the first equation and multiply 2by the second equation

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Number 12 find x....

Len [333]

Answer:

B= 13

Step-by-step explanation:

10x-5= 180-(4x+3)

10x-5=180-4x-3

10x-5+3=180-4x

14x-2=180

14x= 180+2

14x= 182

x=182/14

x=13

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3 years ago

An item regularly priced at $49.95 was marked down to $44.95. Estimate the percent of discount

Zarrin [17]

Answer:

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Step-by-step explanation:

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3 years ago

WILL GIVE BRAINLIEST!!!!!!

Crank

Answer:

17.738

Step-by-step explanation:

to find x we’ll use sine

sin69=x/19

(remember that sine = opposite/hypotenuse)

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3 years ago

There are 60 marbles in a leather bag. Some of the marbles are blue, some are green, some are clear, some are gold, and some are

mr_godi [17]

Answer:12 blue marbles

Step-by-step explanation:

I by 5 percent chance of blue marble

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6 0

3 years ago

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Angela weighs 15% less than she did one year ago. Which of the statements below is true?

Elden [556K]

The current weight $W_c$ is 15% less than the weight Angela had 1 year ago ( $W$ ). Or we can write,

$W_c=(1-\frac{15}{100}) W\\ W_c=\frac{85}{100}W\\$ .

Thus Angela,s current weight is 85% of her weight one year ago.

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3 years ago

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