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Citrus2011 [14]
3 years ago
7

30% of n equals 135

Mathematics
1 answer:
Pani-rosa [81]3 years ago
5 0
Can u give more details
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When you add 34 by 822 and then once once you answer that, give a real world example of the equation.
Andrej [43]

Answer:

Step-by-step explanation:

34 + 822 = 856

856

Macey had $822. Then, she earned $34 after babysitting. She now has $856.

8 0
3 years ago
Read 2 more answers
Maria normally walks 3/4 of an hour each day.Today she walked 5/2 times as long as normal. Did maria walk for more than 5/2 hour
tankabanditka [31]

Answer:

Marie did not walk  \dfrac{5}{2} hours more, but she walk \dfrac{9}{8} hours more .

Step-by-step explanation:

Given as :

The normal hours did Maria walks each day = \dfrac{3}{4} hours

The hours did Maris walk today = \dfrac{5}{2} times normal hours walk

Or, The hours did Maris walk today = \dfrac{5}{2} ×  \dfrac{3}{4} hours

Or, The hours did Maris walk today = \dfrac{5\times 3}{2\times 4} hours

Or, The hours did Maris walk today =  \dfrac{15}{8} hours

Now, Let The difference between normal hours walk and today hours walk = x hours

So, x = \dfrac{15}{8} hours -  \dfrac{3}{4} hours

<u>Taking LCM</u>

Or, x = \dfrac{15 - 6}{8} hours

Or, x =  \dfrac{9}{8} hours

So, Maria walk \dfrac{9}{8} hours more

Hence, Marie did not walk  \dfrac{5}{2} hours more, but she walk \dfrac{9}{8} hours more . Answer

8 0
3 years ago
The mass of Earth is made up of these parts.
Kamila [148]

Answer:

Edg.enuity answers

Step-by-step explanation:

1. Atmosphere- 8.90118

2. Oceans- 2.44346

3. Crust- 4.53786

4. Inner Core- 1.68861

5. Outer Core- 3.20268

6. Mantle- 7.05637

6 0
3 years ago
Read 2 more answers
Solve the following equation for x.<br> 0.1(x + 250) = 5,000<br> h
yan [13]

Answer:

x=49750

Step-by-step explanation:

0.1(x + 250) = 5,000

Divide each side by .1

0.1(x + 250)/.1 = 5,000/.1

x+250 =50000

Subtract 250 from each side

x+250-250 = 50000-250

x=49750

3 0
3 years ago
Read 2 more answers
How many solutions does the following system have?<br> y= 5x + 8<br> y = 5x + 3
NARA [144]

Answer:

This system has no solutions.

Step-by-step explanation:

If we try to solve:

  1. 5x + 8 = 5x + 3
  2. 5x + 8 - 3 = 5x
  3. 5x + 5 = 5x
  4. 5x - 5x + 5 = 5x - 5x
  5. 5 = 0

Since there are no x values left over and the remaining solution is zero, there is no solution for this equation.

Hope this helps!!

4 0
3 years ago
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