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ANEK [815]
3 years ago
13

Write the ratio 21 inches to 9 free as a fraction in simplest form​

Mathematics
1 answer:
saveliy_v [14]3 years ago
4 0

Answer: 7/3

Step-by-step explanation:

21/9

7/3 is the fraction in simplest form

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Aden invested $300 at a rate of 3%. How many years would it take to earn $18 in interest?
sattari [20]
Si= PTR/100
18 = (3*300*t)/100
18 = 9t
t = 2

2 years
6 0
2 years ago
PLEASE HELPP!! RIGHT ANSWERS WILL GET BRAINLIEST!!!
Alecsey [184]

Answer:

4

Step-by-step explanation:

8 0
3 years ago
A refrigerator costs $1200 wholesale. If the mark-up on the refrigerator is 20%, what is the new price?
shutvik [7]

Answer:

The answer is $960


20% of $1200 is $240

So $1200 - $240 = $960

8 0
2 years ago
ms. wilson draws a model of the factorization of a polynomial with integer factors. her model is partially complete. which equat
Oliga [24]
I'll just factor the above equation.

x² + 18x + 80

x² ⇒ x * x
80
can be:
1 x 80
2 x 40
4 x 20
5 x 16
8 x 10  Correct pair

(x+8)(x+10)
x(x+10) +8(x+10) ⇒ x² + 10x + 8x + 80 = x² + 18x + 80

x+8 = 0
x = -8

x+10 = 0
x = -10

x = -8

(-8)² + 18(-8) + 80 = 0
64 - 144 + 80 = 0
144 - 144 = 0
0 = 0

(-10)² + 18(-10) + 80 = 0
100 - 180 + 80 = 0
180 - 180 = 0
0 = 0

I think the algebra tiles will not be a good tool to use to factor the quadratic equation because the equation is not a perfect square quadratic equation.
4 0
2 years ago
Read 2 more answers
In a group of mherchants, 80% of them purchase goods from Asia, and 25% of them purchase goods from Europe. Which of following s
monitta

Answer:

7. 25% of the merchants who purchase goods from Asia also purchase from Europe.

Step-by-step explanation:

I am going to say that:

A is the percentage of merchants who purchase goods from Asia.

B is the percentage of merchants who purchase goods from Europe.

We have that:

A = a + (A \cap B)

In which a is the probability that a merchant purchases goods from Asia but not from Europe and A \cap B is the probability that a merchant purchases goods from both Asia and Europe.

By the same logic, we have that:

B = b + (A \cap B)

Which of following statement is individually sufficient to calculate what percent of the merchants in the group purchase goods from Europe but not form Asia?

We already have B.

Knowing A \cap B, that is, the percentage of those who purchase from both Asia and Europe, we can find b.

So the correct answer is:

7. 25% of the merchants who purchase goods from Asia also purchase from Europe.

8 0
3 years ago
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