3 years ago

How many different books did the children read

Mathematics

1 answer:

BARSIC [14]3 years ago

7 0

Answer:

I think the answer would be 15, love

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Jim has gotten scores of 99 and 93 on his first two tests. what score must he get on his third test to keep an average of 90 or

romanna [79]

For the average to be 90,

(99 + 93 + x) / 3 = 90

or 192 + x = 270
or x = 270 - 192 = 78

Jim must score at least 78 in the third test.

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3 years ago

What is the distance between points (3,-5) and (3, -8)?

bogdanovich [222]

The distance between points (3,-5) and (3,-8) is 3.

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3 years ago

When you go to a restaurant you decide to give the waiter a 17% tip. What percentage of the bill do you pay?

san4es73 [151]

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3 years ago

a quadrilateral has 2 right angles. the measure of the third angle is 73, what is the measure of the forth angle?

hoa [83]

Answer: 107 degrees.

Step-by-step explanation:

A quadrilateral is defined as a 2-dimensional closed shape which has four sides and four vertices.

By definition the interior angles of a quadrilateral add up 360 degrees.

We know that this quadrilateral has 2 right angles (which are angles that measure 90 degrees) and we know that the measure of the third angle is 73 degrees.

Let be "x" the measure of the fourth angle.

Then you can write this expression:

$360\°=90\°+90\°+73\°+x$

And finally solve for "x":

$360\°=253\°+x$

$360\°-253\°=x$

$x=107\°$

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3 years ago