2 years ago

K'Mar was painting the walls of his house. He could paint 1/3 of a wall in 3/5 of an hour. how many walls does he paint per hour

Mathematics

1 answer:

fredd [130]2 years ago

4 0

2 walls per hour!! I hope it helps

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Jay rides his bike 634 miles in 13 hour. What is his average speed?Jay rides his bike 634 miles in 13 hour. What is his average

antiseptic1488 [7]

His average speed is 634/13 = 48,77 miles/hour. Well, he's fast :D

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2 years ago

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What is the slope of the line that passed through (3,-4) and (4,9)

Advocard [28]

Step-by-step explanation:

Step 1: Find the slope

$m=\frac{y_2-y_1}{x_2-x_1}$

$m=\frac{9-(-4)}{4-3}$

$m =\frac{9+4}{1}$

$m=13$

Answer: The slope is 13

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3 years ago

6. If b>6, then 3b + 3 could be A. 18 B. 19 C. 20 D. 21 E. 22

Gala2k [10]

Answer:

E. 22

Step-by-step explanation:

Hello!

We know that b>6, and we are asked to find the possible values for 3b + 3.

Let's directly substitute 6 for b:

3(6) + 3
18 = 3
21

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The correct option is E. 22.

7 0

2 years ago

The US dollar can be exchanged for other types of currency in the world the exchange rate is always changing suppose one eruro i

puteri [66]

Answer:

$2, $4, $10, $20

Step-by-step explanation:

1*2=2

2*2=4

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10*2=20

5 0

2 years ago

Solve for a 5/a - 2/1-a = 2/a-1 a=0 a=-1 a=1 none

podryga [215]

Hello :
$\frac{5}{a} - \frac{2}{1-a} = \frac{2}{a-1} = \frac{5}{a}+ \frac{2}{a-1} = \frac{2}{a-1}
= \frac{5(a-1)+2a}{a(a-1)} = \frac{2a}{a(a-1)} 
(a \neq 1 , a \neq 0)
$
5a-5 +2a =2a
5a =5
a=1 ( refused)
conclusion : none

8 0

3 years ago