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polet [3.4K]
2 years ago
6

Mr. Jenkins was arranging chairs for a school awards assembly. Each row contained 15 chairs. If there were 21 rows. how many cha

irs had to be arranged?
Mathematics
1 answer:
g100num [7]2 years ago
5 0

Answer:

315 chairs

Step-by-step explanation:

This question can instill your quick calculation skills which can be very useful when it comes to event planning.

1 row of chairs = 15 chairs

21 rows of chairs = 15 x 21

= 315 chairs.

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7 0
3 years ago
In ABC, what is the measure of angle B?
NeX [460]

Answer:

D

Step-by-step explanation:

The sum of two remote interior angles (a remote interior angle is the interior angle that is not supplementary to the exterior angle given -- in this case A and B are remote angles) equals the exterior angle.

In This case A + B = 140

A = x + 2

B = 2x

x +2 + 2x = 140

3x + 2 = 140                     Subtract 2 from both sides

3x = 138                           Divide by 3

x = 138/3

x = 46

<B = 2x

<B = 2*46

<B = 92

6 0
3 years ago
Corinnes puppy eats 3 meals a day. How many meals does the puppy eat in 32 days
kvasek [131]
Corinne's puppies eat 92 meals in 32 days.
3 0
3 years ago
The sum of the two numbers is 16. One number is 4 less than 3 times the other. Find the numbers.
Otrada [13]

Answer:

5 and 11

Step-by-step explanation:

Make equations:

x+y = 16

3x-4 = y

Substitute 3x-4 as y in x+y = 16

You get x + 3x - 4 = 16

Simplify into 4x - 4 = 16

Add 4 on both sides

you get 4x = 20

Divide each side by 4,

You get x = 5. Plug 5 back into x+y = 16

Subtract 5 from both sides, and you get y = 11

7 0
3 years ago
21. Given I//m. Fill in the blanks to complete the statements below.
faltersainse [42]

a)All points on one line are at the same Collinear points to the other line.

b)The distance between the two lines is called the perpendicular lines.

5 0
3 years ago
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