2 years ago

Can someone please help me out?

Mathematics

1 answer:

tankabanditka [31]2 years ago

3 0

Answer:

Step-by-step explanation:

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If one plane is flying at 40mph. While another is flying at 100mph. They are 200 miles apart, how long will it take them to coll

Paha777 [63]

Answer:

1 and 3/7 hour

Step-by-step explanation:

Every hour they get 140 miles closer (100 + 40). So you divide 200 by 140 which gets you 1.42... or 1 and 3/7 of an hour.

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3 years ago

i see two things at the mall one shirt is 32$ and is 70% off and the 2nd shirt is 33$ and is 71% percent off which is a better d

Lemur [1.5K]

They would be an equal price

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3 years ago

Mary crocheted a rectangular blanket whose diagonal measures approximately 7.21 feet. What are the most likely length and width

mote1985 [20]

Answer:

If both sides are integers, one side will be 4 feet and the other will be 6 feet. The other solution is the symmetrical solution (4 feet instead of 6 feet, and 6 feet instead of 4 feet).

Step-by-step explanation:

We have a rectangular blanket, that has a diagonal that measures h=7.21 feet.

The two sides of the rectangle a and b can be related to the diagonal h by the Pithagorean theorem:

$a^2+b^2=h^2$

Then, we can express one side in function of the other as:

$a^2+b^2=h^2\\\\a^2=h^2-b^2\\\\a=\sqrt{h^2-b^2}=\sqrt{7.21-b^2}=\sqrt{52-b^2}$

Then, if we define b, we get the value of a that satisfies the equation.

A graph of values of a and b is attached.

If both side a and b are integers, we can see in the graph that are only two solutions: (b=4, a=6) and (a=4, b=6).

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3 years ago

Which expression is NOT equivalent to −3/8 x (-4 + 1/2)

Archy [21]

Answer:

1 5/16

Step-by-step explanation:

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4 years ago

Rewrite the standard form equation below into slope-intercept form.<br>x – 2y = 3

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X-2y = 3

-2y=3-x move the x over to the other side

-y=3/2 -1/2x divide both sides by 2

y=1/2x - 3/2 divide both sides by -1

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3 years ago

Read 2 more answers