3 years ago

What is the value of x?

Mathematics

1 answer:

Elina [12.6K]3 years ago

4 0

Answer: 70

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Andreas93 [3]

It is A because if you do your seven step process it will be A

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3 years ago

Algebra 2 help please

suter [353]

Blank 1: 3

Blank 2: 27

Blank 3: 21

you have to distribute the three to everything inside the parenthesis, and because it's directly in front of the parenthesis it's being multiplied.

3(x - 9) = 3x - 27

Now you need to isolate the y, in this e ample you need to add 6 to both sides

the final equation should be:

y = 3x - 21

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2 years ago

a circular garden has a diameter of 12 feet. what is the best approximation for the circumference of the garden? use 3.14 to app

Nuetrik [128]

Answer:

37.68

Step-by-step explanation:

C(circumference)= 2pi r

If the diameter is 12, the r adius is 6

plug into equation

2(pi)(6)

=12pi

=37.68

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3 years ago

Melanie invested $9,800 in an account paying an interest rate of 4.5 compounded quarterly. Amelia invested $9,800 in an account

Zolol [24]

Answer:

$13,082.60 more

Step-by-step explanation:

Melanie:

$A=P(1+\frac{r}{n})^(20)\\ A=9800(1+\frac{.045}{4})^(20)\\A=$12,257.36$

Amelia:

$A=Pe^(rt)\\A=9800e^(.0475*20)\\A=$25,339.95$

Amelia-Melanie= $13,082.60

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2 years ago

Angela and you are painting a room. Angela has 2 1/2 gallons of blue paint and Ryou has half as much white paint. It will take 2

GREYUIT [131]

Conversion from gallons to quarts

1 gallon = 4 quarts

Now,

Angela has $2 \frac{1}{2}$ gallons = $2\frac{1}{2} *4$ = 10 quarts of blue paint

Ryou has 1/2 of what Angela has = 1/2*10 = 5 quarts of white paint.

Each wall requires $2 \frac{3}{4}$ of paint.
After coloring;
Blue colored walls = (10)/( $2 \frac{3}{4}$ ) = 3 walls with 7/11 quarts of paint remaining.
White colored walls = (5)/( $2 \frac{3}{4}$ ) = 1 wall with 9/11 quarts of paint remaining

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3 years ago