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Murljashka [212]
3 years ago
7

There are a total of 120 counters in a box.

Mathematics
1 answer:
Montano1993 [528]3 years ago
6 0

Answer:

The ratio of red to blue would be 60: 6 which can be simplified to 10:1.

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HELP ME PLEASEEEEEEEEEEEEEEEEE
spin [16.1K]

Second quartile is another name for median, so the answer is 8. I think. I'm second guessing myself now..

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3 years ago
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15x^2 + 41x + 28 <br><br>STEP BY STEP ANSWER PLSSS​
maria [59]

Answer:

(3x+4)(5x+7)

Step-by-step explanation:

15x^2 +41x+28

Factor the expression by grouping. First, the expression needs to be rewritten as 15x^2 +ax+bx+28. To find a and b, set up a system to be solved.

a+b=41

ab=15×28=420

Since ab is positive, a and b have the same sign. Since a+b is positive, a and b are both positive. List all such integer pairs that give product 420.

1,420

2,210

3,140

4,105

5,84

6,70

7,60

10,42

12,35

14,30

15,28

20,21

Calculate the sum for each pair.

1+420=421

2+210=212

3+140=143

4+105=109

5+84=89

6+70=76

7+60=67

10+42=52

12+35=47

14+30=44

15+28=43

20+21=41

The solution is the pair that gives sum 41.

a=20

b=21

Rewrite 15x^2 +41x+28 as (15x^2 +20x)+(21x+28).

(15x^2 +20x)+(21x+28)

Factor out 5x in the first and 7 in the second group.

5x(3x+4)+7(3x+4)

Factor out common term 3x+4 by using distributive property.

(3x+4)(5x+7)

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3 years ago
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Answer:

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2x-x=1

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Step-by-step explanation:

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use google lol

use google lol

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Which best describes the end behavior of y=7x^2?
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<span>As x > 0 increases, f(x) increases. As x < 0 decreases, f(x) increases.</span>
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