13. Solve the following system of equations. 4x + 3y = 17 3x + 2 y = 13

Mathematics

1 answer:

horrorfan [7]2 years ago

7 0

17/4 This is what I would choose
-3/2

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Someone please help me!

Vaselesa [24]

Look at 3 on Variable B's axis, then go to the right until you reach the line.

After you reach the line, go all the way down and see what number you get to on Variable A's axis. You get 8, so that is your answer.

7 0

3 years ago

50 points decreased by 26% is points.

lakkis [162]

$50\times\frac{26}{100}\\\\=\frac{50\times26}{100}\\\\=\frac{1300}{100}\\\\=13\\\\50-13={\boxed{ \bf 37}}$

50 points decreased by 26% is 37 points.

$50\times\frac{26}{100}\\\\= 50 \times 0.26\\\\=13\\\\ 50-13={\boxed{ \bf 37}}$

50 points decreased by 26% is 37 points.

3 0

3 years ago

Read 2 more answers

Waht 6/9 dividede 4/7 plzzzzzzzzzzzzzz help

levacccp [35]

Answer:

6/9 ÷ 4/7 = 1 1/6

Step-by-step explanation:

flip the second fraction and then we simply multiply the numerators with each other and the denominator with each other

5 0

2 years ago

Please helpp!!!!

fomenos

Answer:

Dom(gof)=Dom(f)={1,3,4}.

(gof)(1)=g{f(1)}=g(2)=3.

(gof)(3)=g{f(3)}=g(5)=1.

(gof)(4)=g{f(4)}=g(1)=3.

∴gof={(1,3),(3,1),(4,3)}.

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2 years ago

In a clinical test with 2161 subjects, 1214 showed improvement from the treatment. Find the margin of error for the 95% confiden

Vlad [161]

Answer:

The margin of error for the 95% confidence interval used to estimate the population proportion is of 0.0209.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of $\pi$ , and a confidence level of $1-\alpha$ , we have the following confidence interval of proportions.