4 years ago

How I solve 11−12y=3+6x for y.

Mathematics

1 answer:

Ganezh [65]4 years ago

3 0

Answer: Y = -x/2+2/3

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There are 12 red and blue pencils on a desk.There are twice as many red pencils as blue pencils.How many read pencils are there

Mrac [35]

r+b =12

r =2b (twice as many red as blue)

substitute r = 2b into r+b=12

2b + b = 12

3b =12

divide by 3

b=4

r = 2b

r=2(4)

r=8

There are 4 blue pencils and 8 red pencils

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3 years ago

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4 : 6.4 as a fraction <br> I need help!

grin007 [14]

Decimal to Fraction = 6 2/5

6.4 as a fraction = 32 /5

Percentage = 640%

Description =

The answer for this question will be 32 /5 because you asked that 6.4 as a fraction. If your asking to convert 6.4 to a fraction then the answer will be 6 2/5 in a mixed number.

Hope this helps.

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3 years ago

if the denominator of 2/3 is increased by number and the numerator is doubled the result is 1 find the number

Sophie [7]

2/3
denominator is increased by a number so 3+a
numerator is doubled so 2(2)= 4
in order for it to be a whole (or 1) then it would have to be 4/4
so 4-3=1
the number is 1

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4 years ago

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What is equation of a line with a slope of 2 and passes through the point of (-3, 1)

WARRIOR [948]

Answer:

y=2x+7

Step-by-step explanation:

Use point slope form --> $y-y_1=m(x-x_1)$