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3 years ago

15

Mike's Music Soul 287 CDs on the first day of a two day sale the store so 96 more CD's on the second day then the first day how

many CDs and all were so during the two-day sale

1 answer:

almond37 [142]3 years ago

5 0

The answer is 670.
this is because 96 plus 287 is 383.
so he sold 287 on the 1st day, and 383 on the second day.
383 plus 287 equals 670.

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A scientist has two solution which she labelled, solution A and solution B, each continue salt,she knows that solution A is 65%

Lorico [155]

A = oz of the solution A

b = oz of the solution B

The scientist knows that solution A is 45% salt and solution B is 95% salt. She wants to obtain 80 ounces of a mixture that is 65% salt.

a + b = 80

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by solving the above system of equations you'll find····

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7 0

3 years ago

Please help! I dont understand math at all! :o(

Brut [27]

Answer:

$393.75

$2,446.88

Step-by-step explanation:

Let's take this problem one step at a time. First let's compute for the total price after the sales tax has been added.

Sales tax = 8.75% or 0.0875

Original Price = $4,500

The sales tax is computed by multiplying the total to the sales tax rate.

4,500 x 0.0875 = $393.75

$393.75 is the total sales tax that Brenton will pay.

Now to find the total price with the sales tax included, we simply add the original price and the sales tax value together.

4,500 + 393.75 = $4,893.75

Now that we have the total overall price, we can then compute for how much the 50% down payment Brenton has made.

Down Payment = 50% or 0.5

Overall Price = $4,893.75

We simply multiply both the down payment and the overall price to find how much Brenton has paid.

4,893.75 x 0.5 = $2,446.88

Now that we know how much Brenton paid, we also now know how much Brenton financed by subtracting the overall price to his down payment.

4,893.75 - 2,446.88 = $2,446.88

Brenton finance a total amount of $2,446.88.

5 0

3 years ago

Solve for y: 15 = y – 7

mixer [17]

Some number y has 7 subtracted off to get 15. We have y-7 = 15. To isolate y, we have to undo the "subtract 7" operation that happens to y. We have to add 7 to both sides.

y-7 = 15

y-7+7 = 15+7

y = 22 is the answer

8 0

3 years ago

Read 2 more answers

(2.9X10^5)X(3.4X10^3 in standard form

Evgesh-ka [11]

By using exponent, it can be verified that

$(2.9 \times 10^5) \times (3.4 \times 10^3)$ in standard form is $9.86 \times 10^8$

What are exponent?

Exponent tells us how many times a number is multiplied by itself.

For example : In $2^4 = 2 \times 2 \times 2 \times 2$

Here, 2 is multiplied by itself 4 times.

If $a^m = a \times a \times a ... \times a$ (m times), a is the base and m is the index.

The laws of index are

$a^{m + n} = a^m \times a^n\\a^{m - n} = \frac{a^m}{a^n}\\(\frac{a}{b})^m = \frac{a^m}{b^m}\\(ab)^m = a^m b^m\\a^0 = 1\\a^{-n} = \frac{1}{a^n}$

The given exponent is

$(2.9 \times 10^5) \times (3.4 \times 10^3)\\9.86 \times 10^{5+ 3}\\9.86 \times 10^8$

To learn more about exponent, refer to the link:

brainly.com/question/11975096

#SPJ1

8 0

1 year ago

How many times do you need to multiply 271.96 by ten to get 2719.6

ivann1987 [24]

Every 10 you multipy by moves the decimla place to the right by 1 place
so it moves 1 place so therefor you need to multipy it by 10 ONE time
answer is 1 times

7 0

3 years ago