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erica [24]
3 years ago
13

What is 5/10+1/5 to this problem please help me

Mathematics
1 answer:
NeX [460]3 years ago
5 0
Let's look at it like this:
5/10+1/5 = (5/10) + (1/5)
5/10 = 0,5
1/5 = 0,2
so it's 5/10 + 1/5 = (5/10) + (1/5) = 0,5 + 0,2 = <u>0,7 </u>
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8,000 is invested in two different accounts earning 3% and 4% interest. If the two accounts earn a total of $295 in interest, ho
lesya692 [45]

Answer:

$5,500

Step-by-step explanation:

Let A be the amount invested at 3%, B the amount at 4%.

Total value:

1.A%2BB=8000

Interest:


Multiply eq. 1 by -3 and add to eq. 2,

-3A-3B%2B3A%2B4B=-24000%2B29500

highlight%28B=5500%29

Then from eq. 1,

A%2B5500=8000

highlight%28A=2500%29

3 0
3 years ago
Read 2 more answers
37 + 15r &gt; or equal to 127, what is the answer?
Tpy6a [65]

Answer:

r ≥ 6

Step-by-step explanation:

37+15r ≥ 127

-37           -37          37 cancels and you're left with 15r

    15r ≥ 90

   / 15     /15           15 cancels and you're left with r

      r ≥ 6

4 0
2 years ago
Evaluate the expression for the given value.<br><br> 3x(x−2), when x=7
Alexeev081 [22]

Answer:

105

Step-by-step explanation:

Substitute X for 7:      3(7)(7-2)

Simplify:                      21(5)

Multiply:                       105

6 0
3 years ago
Based on your understanding of sound waves,
Olin [163]

Answer:

The frequency increases as the pitch increases, and the amplitude increases as the volume increases

Step-by-step explanation:

5 0
3 years ago
The tax rate is 3.9%<br> What is the tax on 42$? <br> Round to the nearest hundredth
mafiozo [28]
To find the total price, we use this equation:
42 + 0.039(42)
We can make it simpler:
1.039(42)
Multiply:
43.638
Because we're rounding
The total price is $43.64

7 0
3 years ago
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