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3 years ago

What does y equal?6=2(y+2)Thank you!

Mathematics

1 answer:

egoroff_w [7]3 years ago

7 0

6=2y+4
y is equal to 1

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121 is 55% of what number

Wewaii [24]

Let x be the unknown number
x×55%=121
x=121÷55%
x=220
So 121 is 55% of 220

3 0

4 years ago

15 a2 - 6ab- 8 a2+ 20 - 5ab - 31 + a2- ab

Ivanshal [37]

Step-by-step explanation:

Remove the parentheses: 15a²-6ab+8a²+20+5ab-31+a²-ab Combine like terms: 24a²-2ab-11

Answer: 24a²-2ab-11

4 0

3 years ago

Read 2 more answers

A rectangular prism must have a base with an area of no more than 27 square meters. The width of the base must be 9 meters less

den301095 [7]

Answer:

The maximum height of the prism is $12\ m$

Step-by-step explanation:

Let

x------> the height of the prism

we know that

the area of the rectangular base of the prism is equal to

$A=L*W$

$A\leq 27\ m^{2}$

$L*W\leq 27$ -------> inequality A

$W=x-9$ ------> equation B

$L=W+6$ -----> equation C

Substitute equation B in equation C

$L=(x-9)+6$

$L=x-3$ ------> equation D

Substitute equation B and equation D in the inequality A

$(x-3)*(x-9)\leq 27$ -------> using a graphing tool to solve the inequality

The solution for x is the interval----------> $[0,12]$

see the attached figure

but remember that

The width of the base must be $9$ meters less than the height of the prism

the solution for x is the interval ------> $(9,12]$

The maximum height of the prism is $12\ m$

8 1

3 years ago

Read 2 more answers

Which line segment is a diameter of circle L A.GK B.HK C.IL D.JL

serious [3.7K]

B is the answer because diameter goes all the way through a circle

4 0

3 years ago

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Please help i cant figure this out

rewona [7]

Answer:

Step-by-step explanation:

First do, 30% + 45% = 75%. Then do, 100-75=25.

Lastly,

proportions:

x/60 = 25/100

So your answer is, 15.

4 0

3 years ago