3 years ago

Graph the system of equations on your graph paper to answer the question. {y=−x+3

Mathematics

1 answer:

makkiz [27]3 years ago

5 0

The answer is (x, y) = (-1, 4) hope this helped

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Johnny took a math test with 25 questions He answered 22 questions correctly in order to get an a he had to get 90% of them righ

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Answer:

88%

Step-by-step explanation:

No Johnny boy did not

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3 years ago

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Pump 1 can empty a pool in 9 hours while Pump 2 can empty the same pool in 12 hours. If the two pumps worked together, how long

ruslelena [56]

Answer:

About 5 hr 10 min

Step-by-step explanation:

rate 1 = 1 pool / 9 hrs rate 2 = 1 pool / 12 hours

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2 years ago

a. Write and simplify the integral that gives the arc length of the following curve on the given integral. b If necessary, use t

WINSTONCH [101]

Answer:

\int\limits^{\pi/2} _0 (1+4cos^{2} (2x)dx

Step-by-step explanation:

Arc length is calculated by dividing the arcs in to small segments ds

By pythagoren theorem

$ds^2=dx^2+dy^2$

then integrate ds to get arc length.

We are given a function as

y = sin 2x in the interval [0, pi/2]

To find arc length in the interval

Arc length $s =\int\limits^{\pi/2} _0 {1+y'^2} \, dx \\=\int\limits^{\pi/2} _0 (1+4cos^{2} (2x) )dx$

Hence arc length would be

B) $\int\limits^{\pi/2} _0 (1+4cos^{2} (2x)dx$

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3 years ago

Diego wants to travel from the entrance to the lion exhibit, which the map says is 5 cm. What is the actual distance Diego must

Naily [24]

Answer:

the scale of the map is missing, not enough information

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3 years ago

What is the answer!!!!!!

weqwewe [10]

Answer:

The answer is c: the lendth of the photo frame is between 11 and 12 inches.

I hope this helps you!

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3 years ago