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4 years ago

10

A company that makes hair-care products has 2,000 people try a new shampoo. Of the 2,000 people, 12 mild allergic reaction. What

percent of the people had a mild allergic reaction.

1 answer:

LiRa [457]4 years ago

5 0

12/2000 = 6/1000 = 0.6/100 = 0.6 percent

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833.30/<br> 1-(1+0.00833)^-360

Fudgin [204]

Answer:

833.25 or 877.59

Step-by-step explanation:

I solved this in two different ways because I wasn't sure on how the question was meant to be read.

Attempt 1:

(833.3/1)-(1+0.00833)^-360

(1+0.00833)^-360 = 0.0505

so:

833.3 - 0.0505 = 833.25

Attempt 2:

833.3/(1-(1+0.00833)^-360)

1- 0.0505 = 0.9495

833.3/0.9495 = 877.59

3 0

2 years ago

X^-9*x^-2 <br> a 1/x^18<br> b 1/x^11<br> c x^18<br> d x^11

d1i1m1o1n [39]

Exponent rule : a^-x = 1/a^x

x^-9 * x^-2 =
1/x^9 * 1/x^2 = (when multiplying exponents with same base, add exponents)
1/x^(9 + 2) =
1/x^11

4 0

3 years ago

Does anyone know what the. distance would be ?? plz answer asap only if you are correct:)

mafiozo [28]

Answer:

6 units :)

Step-by-step explanation:

3 0

3 years ago

Cathy ran 10 meters in 2 seconds. How much time did she take to complete 100 meters?

Fynjy0 [20]

Answer:

If Cathy ran at a constant speed of 10 meters in 2 seconds, it took Cathy 20 seconds to run 100 meters.

Step-by-step explanation:

Hope this helps.

4 0

4 years ago

In your quilt shop,you make and sell quilts. You like to have a total of 26 yards of royal blue fabric in stock at the beginning

Vera_Pavlovna [14]

Answer:

7 pieces

Step-by-step explanation:

Stock that must be available at the beginning of each month = 26 yards

Since,

1 yard = 36 inches

26 yards = 26 x 36 = 936 inches

This means 936 inches of fabric must be available at beginning of each month.

<u>Current Inventory:</u>

4 pieces that are each 22 1/2 (or 22.5) inches long. So total length of these fabrics = 4 x 22.5 = 90 inches

3 pieces that each 33 inches long. So total length of these fabrics = 3 x 33 = 99 inches

Therefore, the total length of current inventory = 90 + 99 = 189 inches.

<u>Length of fabric needed more:</u>

Length of fabric that must be bought more = 936 - 189 = 747 inches

It is given that the fabric must be bought in pieces are the 3 yards long. 3 yards is equal to 108 inches.

So, I have to buy pieces that are each 108 inches long and I need to complete 747 inches in total.

Therefore, the number of pieces that I need to buy = $\frac{747}{108}=6.9$

Since, the pieces cannot be bought in fraction, I need to buy 7 complete pieces to replenish my stock.

6 0

3 years ago