What is the solution of 3x + y = 9 and 3x − 5y = 15?

Answers

Answer 1

Answer: The answer is (10/3, -1)

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Gunner rides his bike 10 miles in 2 1/2 hours. How many miles per hour did Andre ride

Answers

Answer:

Step-by-step explanation:

10 miles divided by 2.5 hours is 4 miles per hour.

10/2.5 = 4

Need Help ASAP!!!

Find the sine of G

Answers

Answer:

≈0.68

Step-by-step explanation:

with what u have u can get $cos G^(-1)$

so it will be equal $\sqrt43$ /9 =43°13'49.75"

now u can get the sine

sin 43°13'49.75" ≈ 0.68

If a project will take 35 employees 2,940 hours to complete, how many hours will each employee have to work?

Answers

2940/35 equals 84 so each employee will have to work 84 hours.

Find the sum. 6/9 • 1/3=?

Answers

Answer:

$(6)/(27)$

Answer:

its 8.97 I think

Step-by-step explanation:

6.9×8.97

What is 0.195 rounded to the nearest hundredth

Answers

the answer will be 0.20

0.20 is 0.195 roundest to the nearest hundredth

Solve the following equation by transforming it into a perfect square trinomial.* 3x2 + 12x = 63

Answers

$3x^2 + 12x = 63\n \n3x^2+12x-63=0\n \n3(x^2+4x-21)=0\n \n3[x^2+4x+3x-3x-21] =0 \n \n3[x^2+7x-3x-21] =0 \n \n3[x(x +7 )-3(x+7)] =0$

$3 (x +7 ) (x-3) =0 \n \nx+7=0 \ \ \ or \ \ \ x-3 =0\n \nx=-7 \ \ \ or \ \ \ x=3$

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