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svetlana [45]
3 years ago
9

I HAVE 5 MINUTES PLEASE HELP (15 points)

Mathematics
2 answers:
erastova [34]3 years ago
7 0
The answer choice is a. y=(-1/2)x
ladessa [460]3 years ago
6 0

Answer:

y= -1/2x

Step-by-step explanation:

It is A

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The bristles on a Chinese writing brush are 70% rabbit hair and 30% goat hair. What fraction of the bristles is goat hair?
Nataliya [291]
30/100...because it says that it's 30 percent
5 0
3 years ago
Read 2 more answers
the perimeter of the triangle is 61 inches. if two sides of the triangle are equal and the third side is 4 inches more than the
elena-s [515]

The equation can be modeled as

X + X + (X+4) = 61

X is used for all because they are all the same number and can be given the same variable

The third is given plus four so we can use a common variable

3x + 4 = 61

3x = 57 (subtracted four)

x = 19 (divided by three)

Solving for third side so x + 4

The third side is 23 inches

4 0
3 years ago
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Seven men and seven women line up at a checkout counter in a store. In how many ways can they line up if the first person in lin
luda_lava [24]

Answer:  The required number of ways is 25401600.

Step-by-step explanation:  Given that seven men and seven women line up at a checkout counter in a store.

We are to find the number of ways in which they can line up, if the first person in line is a man , and the people in line alternate man, woman, man, woman and so on.

Since the first person is a man, so

for first position, we have 7 options.

There are alternate man and women in the line, so the second person must be a women.

That is, we have 7 options for the second position.

Similarly, for 3rd and 4th positions, we have 6 options for each, and so on.

Therefore, the number of ways in which the 14 persons can line up is

n=7\times7\times6\times6\times5\times5\times4\times4\times3\times3\times2\times2\times1\times1=7!\times7!=5040\times5040=25401600.

Thus, the required number of ways is 25401600.

3 0
2 years ago
Plz answer............................
hjlf

Step-by-step explanation:

1. >

2. <

3. >

4. =

5. >

6. <

7. =

8. >

9. ? I can't see that one

10. <

3 0
2 years ago
What is greater 75% 0f 10$ or 25% $30
Galina-37 [17]
None because they both equal the same number
8 0
2 years ago
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