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kvv77 [185]
2 years ago
15

I need some help with zee maths.

Mathematics
1 answer:
seraphim [82]2 years ago
8 0
You have to collect like terms that means group the numbers that have the same variables

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How should the decimal point in 0.937 change to get the correct answer to 0.937 ÷ 10²?
Mama L [17]

Answer:

B (2 places to the left)

Step-by-step explanation:

10*10 (or 10²)=100

.937/100= 0.00937

3 0
3 years ago
Brielle and Joshua are running a half marathon race, which is 13.1 miles long. It takes Brielle 10 minutes to run 1.25 miles and
CaHeK987 [17]

Answer: Brielle will run the marathon faster.

Brielle = 104.8 minutes  

Joshua = 157.2 minutes

Step-by-step explanation:

Speed rate = distance /time

Brielle = 1.25 /10 = 0.125 miles per minute

Joshua = 1.5/18 = 0.083333 =1/12 miles per minute

Since 0.125 (Brielle) > 1/12 (Joshua)

Brielle will run the marathon faster.

To calculate the time that takes each one to run the entire race (13.1 miles)

Time= distance / speed

  • Brielle = 13.1 /0.125 = 104.8 minutes
  • Joshua = 13.1 / (1/12)= 157.2 minutes

Feel free to ask for more if needed or if you did not understand something.

8 0
2 years ago
Solve each quadratic equation. Show your work.<br><br><br> 14. (2x – 1)(x + 7) = 0
melisa1 [442]
<span>(2x – 1)(x + 7) = 0

2x-1=0
2x=1
x=1/2
x=0.5

x+7=0
x= -7
</span>
5 0
2 years ago
Read 2 more answers
Given: x - 8 &gt; -3.<br><br> Choose the solution set.
Artist 52 [7]
If you would like to solve the inequality x - 8 > -3, you can do this using the following steps:

<span>x - 8 > -3
</span>x > -3 + 8
x > 5

The correct result would be x > 5.
5 0
3 years ago
Two numbers have the sum of 1212 and the difference of 518. What are the two numbers?
Maru [420]
694
you just subtract 1212 by 518
694+518=1212
3 0
3 years ago
Read 2 more answers
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