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3 years ago

15

A Book Publishing Company is shipping an order of 300 books. The books are packaged in boxes that each can hold 24 books. How ma

ny boxes are needed to ship the order of books?

1 answer:

Len [333]3 years ago

3 0

12 or 13 the exact is 12.5

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At 3:30 p.m., Berto’s train was 34 miles past the egg farm, traveling at an average speed of 85 miles per hour. At the same time

timurjin [86]

E=egg farm

x=distantce between the Berto´s trains and the meeting point.

t=time where the trains meet up

⇒110 miles/h ⇒85miles/h

[---------------------------E----------------------]-------------------------------------X

[............12 miles.......][........34 miles.....][------------ x ----------------------]

distance between Berto´s train and Eduardo´s train=

=12 miles+34 miles=46 miles.

S=d/t ⇒d=S*t

S=seed

d=distance

T=time

Eduardo´s train;

46 miles+x=t*110 miles/h ⇒x=t*110 miles/h-46 miles (1)

Berto´s train;

x=t*85 miles/h (2)

With the equations (1) and (2) we suggest this system equations:

x=t* 110 miles/h-46 miles

x=t*85 miles/h

we solve this system equiations :

t*110 miles/h-46 miles=t*85 miles/h

110t miles/h-85t miles/h=46 miles

25 t miles/h=46 miles

t=46 miles/25 miles/h=1,84 hour (≈1 hour, 50 minutes, 24 seconds)

x=t*85 miles/h=156,4 miles

Solution: 1,84 hour

3 0

3 years ago

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I need help on .5 and .6

Dovator [93]

5. 44 (forty four)
6. 58

8 0

3 years ago

Solve for x. Leave your answer in simplest radical form.

pochemuha

Answer:

x = 4√7

Step-by-step explanation:

You can use the pythagorean theorem which is a² + b² = c²

if you plug it in, it would be...

x² + 12² = 16²

x² + 144 = 256, subtract 144 to both sides

x² = 112, square root both sides to make x by itself.

x = 4√7

6 0

3 years ago

Jill has to go to the post office before she drops her 3 children off at the elementary school. She is going straight home after

Scilla [17]

Answer:

18

Step-by-step explanation:

sigiuwhfcoiuwhdcviuwfdbv

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3 years ago

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One angle in an obtuse isosceles triangle measures 40°. What are the measures of the other two angles?

Damm [24]

An obtuse triangle has one obtuse angle, or an angle that measures more than 90° but less than 180°. Options 1 and 2 are not correct, because these are acute angles.
So, one of the angles must be 40°, and the other may be 100° or 120°.
The measures of the angles in a triangle add up to 180°.
$40^\circ + 40^\circ +x = 180^\circ \\
80^\circ + x=180^\circ \\
x=180^\circ - 80^\circ \\
x=100^\circ$
The other two angles are 40° and 100°.

5 0

3 years ago

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