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castortr0y [4]
3 years ago
6

8) Becky is working on a math test with 500 problems. If she finishes 11 problems after 1 hour, 22

Mathematics
2 answers:
umka21 [38]3 years ago
4 0

Answer:

after 6 hours she would have finished 66 questions

bogdanovich [222]3 years ago
3 0
66 problems because each hour she is increasing at a rate of 11 questions her slope equation would be y=1x+11
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Simplify the expression 6C2
iVinArrow [24]

Answer:

^6C_2=15

Step-by-step explanation:

Recall the formula:

^nC_r=\frac{n!}{(n-r)!r!}

We apply this formula to simplify ^6C_2

This implies that:

^6C_2=\frac{6!}{(6-2)!2!}

^6C_2=\frac{6!}{4!2!}

^6C_2=\frac{6\times5\times4!}{4!\times 2\times1}

This simplifies to

^6C_2=\frac{6\times5}{2\times1}

^6C_2=\frac{3\times5}{1\times1}=15

8 0
3 years ago
If one bottle of soda costs .99, how much do three bottles cost? how much do they cost with 5% tax added on?
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3 years ago
A rectangular lot is 20 yards longer than it is wide and its area is 2400 square yards. Find the dimensions of the lot
jeka94

Answer:

120

Step-by-step explanation:

Divide 2400 by 20 to get your answer! It may be wrong

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3 years ago
What is the equation of the line that has a slope of -3 and passes through the point (-4,-2)
Vikentia [17]

Answer:

y=-3x-14

Step-by-step explanation:

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Charlie is at a small airfield watching for the approach of a small plane with engine trouble. He sees the plane at a angle of e
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