3 years ago

2x-4y=28 solve for y

Mathematics

1 answer:

max2010maxim [7]3 years ago

7 0

Answer:

y=7+1/2x

Step-by-step explanation:

Hope this helps

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Answer: B is 11 feet tall

A=x+1 since A is one more than B

C=x+1/2 since C is one half more than B

B=x since B is just B

A+B+C=34.5

x+1+x+x+1/2=34.5

3x+1.5=34.5

3x=33

x=11

B is 11 feet tall

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2 years ago

The area of a parallelogram is 96 cm2. The height of the parallelogram is 4 cm less than the length of the base. What is the len

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96/4=24 so the length of a standerd paralleegram is 24

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3 years ago

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jason built a rectangular tool shed that is 8 meters wide and has an area of 96 square meters. what is the length of jasons tool

pishuonlain [190]

Answer:

12 meters

Step-by-step explanation:

Area = length × width. If we divided 96 (area) by 8 (width) we should get the length. 98 ÷ 8 = 12.

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3 years ago

Five years from now, the sum of the ages of a women and her daughter will be 40 years. The difference in their present age is 24

Tomtit [17]

Answer:

Daughter age = 3 years

Step-by-step explanation:

Let x be the age of the women and y be the age of the daughter.

Given:

After five year the sum of the women and daughter age = 40

$(x+5)+(y+5)=40$

At present the sum of the women and daughter age

$x+5+y+5=40$

$x+y+10=40$

$x+y=40-10$

$x+y=30$ --------------(1)

So the sum of the present age is $x+y=30$

The difference in their present age is 24 years.

$x-y=24$

$x=24+y$

Now we substitute x value in equation 1.

$(24+y)+y=30$

$24+2y=30$

$2y=30-24$

$2y=6$

$y=\frac{6}{2}$

$y=3\ years$

Therefore, the daughter age is 3 years.

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3 years ago

The law of cosines can only be applied to right triangles ? True or false

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False it can work with non right angles triangles too

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