MATHEMATICS HIGH SCHOOL

-3(10+4v)=-6(5-9v)

step-by-step pls

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

Let's solve your equation step-by-step.

−3(10+4v)=−6(5−9v)

Step 1: Simplify both sides of the equation.

−3(10+4v)=−6(5−9v)

(−3)(10)+(−3)(4v)=(−6)(5)+(−6)(−9v)(Distribute)

−30+−12v=−30+54v

−12v−30=54v−30

Step 2: Subtract 54v from both sides.

−12v−30−54v=54v−30−54v

−66v−30=−30

Step 3: Add 30 to both sides.

−66v−30+30=−30+30

−66v=0

Step 4: Divide both sides by -66.

−66v

−66

v=0

Answer 2

Answer:

Answer:

omg im so sorry

Step-by-step explanation:

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The distances (y), in miles, of two cars from their starting points at certain times (x), in hours, are shown by the equations below:Car A
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Car B
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After how many hours will the two cars be at the same distance from their starting point and what will that distance be?

2 hours, 150 miles
2 hours, 190 miles
3 hours, 150 miles
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Answers

when the cars are at the same distance from the starting point the y will be the same for both of the equations.
which means that 60x + 10 = 40x + 70

⇒ 60x-40x=70-10
⇒ 20x=60
⇒ x=3 hours

now that we know the x we can choose an equation and solve it

60x3+10=y⇒
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112 oz= how many pounds are in 112 ounces

Answers

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Hope this helps!

38 There were 16 students at a chess club. 10 of the students were boys, and the rest were girls. What was the ratio of boys to girls at the chess club? (Show work)A 10:6
B 10:16
C 5:3
D 3:5

Answers

Answer:

C) 5:3

Step-by-step explanation:

Given information:

Total students at the chess club: 16

Boys: 10

Girls: Rest of the students (16 - 10 = 6)

To find the ratio of boys to girls, divide the number of boys by the number of girls:

Ratio of boys to girls = Boys / Girls = 10 / 6

Simplify the ratio:

Ratio of boys to girls = 5 / 3

So, the correct answer is:

C) 5:3

i hope this helps! <3

C. 5:3

If there 16 students at chess club 10 of which were boys.

That would mean there are 6 girls, since 16-10=6.

The ratio of boys to girls is 10:6, which simplified would be 5:3.

Therefore the correct answer is C.

help please !!!Kevin wants to make a mixture that is 50% lemon juice and 50% lime juice. How much 100% lemon juice should he add to a juice that is 40% lemon juice and 60% lime juice to make 6 gal of the 50% lemon/50% lime juice mixture?

Answers

so basically, he wants to make mixture where lemon=lime

it is 6 gallons so
40% of 6=0.4 times 60=2.4=lemon
60% of 6=0.6 times 60=3.6=lime
so to make them equal
3.6-2.4=1.2
he must add 1.2 gallons of 100% lemon juice to make a mixture of 50% lemon and 50% lime

1.2 gallons is the answer

Question: Kevin wants to make a mixture that is 50% lemon juice and 50% lime juice. How much 100% lemon juice should he add to a juice that is 40% lemon juice and 60% lime juice to make 6 gal of the 50% lemon/50% lime juice mixture?

Answer: 1 Gallon

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