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2 years ago

10

Help fast please !! Represent the following sentence as an algebraic expression, where "a number" is the letter x. 4 is added to

twice a number.

1 answer:

Oduvanchick [21]2 years ago

5 0

The answer is 2x + 4 :)

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Jamie purchased a DVD that was on sale for 15% off. The sales tax in her county is 5%. Let y represent the original price of the

Mamont248 [21]

0.05(0.85y)=5%(of the onsale dvd) and a is just the on sale dvd (85%)

8 0

2 years ago

A circle has a diameter of

blsea [12.9K]

Step-by-step explanation:

to calculate circumference:

$2\pi \: r$

if the diameter is 16 then the radius would be 8.

$2\pi \:r \\ = 2\pi(8) \\ = 16\pi \\ =Rationalize(50.26548245744) \\circumference = 50.27$

to calculate the area of a circle:

$\pi {r}^{2} \\ = \pi( {8})^{2} \\ = Rationalize(201.06192982975) \\ area = 201.06 \: ^{2}$

5 0

1 year ago

3. Gavin deposited $1500 into his savings account that is compounded quarterly at an interest rate of 1.5%. How much money will

wolverine [178]

Answer:

$\$1,616.60$

Step-by-step explanation:

we know that

The compound interest formula is equal to

$A=P(1+\frac{r}{n})^{nt}$

where

A is the Final Investment Value

P is the Principal amount of money to be invested

r is the rate of interest in decimal

t is Number of Time Periods

n is the number of times interest is compounded per year

in this problem we have

$t=5\ years\\ P=\$1,500\\ r=1.5\%=1.5/100=0.015\\n=4$

substitute in the formula above

$A=1,500(1+\frac{0.015}{4})^{4*5}$

$A=1,500(1.00375)^{20}$

$A=\$1,616.60$

7 0

2 years ago

Read 2 more answers

6. You need at least 30 cubic feet of sand to fill a sand box. Each bag

White raven [17]

It would be 3 cubic feet……………..

7 0

2 years ago

Using the transformation T: (x,y) → (x + 2, y + 1), find the distance named.

wariber [46]

Answer: square root of 10

Step-by-step explanation:

If you have other questions like find the distance of AB or A’B’ they are the square root of 10 for this same triangle so therefore this distance would be the same.

4 0

2 years ago