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UNO [17]
3 years ago
5

Solve for the variable: 0.15a + 28.1 = 50 a = ?

Mathematics
1 answer:
valina [46]3 years ago
5 0

Answer:

a = 146

Step-by-step explanation:

0 . 1 5 + 2 8 . 1 = 5 0  

3 / 2 0 + 2 8 . 1 = 5 0

3 /2 0 = 2 1 . 9

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Ten minutes after he left his home, Gerald was 40 miles from his grandmother’s house. Then, 22 minutes after he left, he was 34
Svetlanka [38]
After 10 minutes, he's 40 miles away. After 22 minute, he's 34 miles away. Therefore, in those 12 minutes between, he covered 6 miles. We can make a ratio out of this: 6/12 = 0.5, so he is walking at a rate of 0.5 mi/min (miles per minute). Finally, we can set x/90 equal to 0.5/1 because he is walking at the same rate the entire time. Cross multiply to solve for x. Finally, you get that he had to travel 45 miles in 90 minutes, so his home is 45 miles away from his grandmother's.

3 0
3 years ago
HURRY WILL MARK BRAINLIEST!!!!!!!!!!!!!!!!!!!!!!
zzz [600]

Answer:

5800 x 0.0135 = 78.3

78.3 x 3 =234.9

78.3/2 = 39.15

234.9 + 39.15 = 274.05

Your answer is 274.05

Step-by-step explanation:

Hope this helps!

4 0
3 years ago
Explain and demonstrate how to turn 4/20 into a percent
iren2701 [21]

Answer:

20%

Step-by-step explanation:

We can start by looking at it as a ratio, so 4 divided by 20 and 4/20 = 0.2, so that would be 20% viewing 1=100%.

Another way is

20 here is 100%, and for 20 to equal 100, we have to multiply it by 5. To balance it out, multiply the top by 5 as well, and 4 * 5 =20. Therefore, 4/20 = 20%

4 0
2 years ago
(I NEED THIS ANSWERED QUICKLY! I WILL GIVE BRAINLIEST TO FIRST CORRECT ANSWER!)
dezoksy [38]

Answer:

D

Step-by-step explanation:

literlay just count

3 0
3 years ago
A ticket for a school musical is $12. There is a 5% transaction fee if the ticket is purchased online. What is the total cost of
Anni [7]

So 10% of 12=1.2 divided by

2 to get 5% which is 0.6 so because it’s increasing the amount you do $12 + 0.6 =

$12.6 if you pay online

6 0
3 years ago
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