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Olin [163]
3 years ago
8

What is the answer to the following -1+8=​

Mathematics
2 answers:
GenaCL600 [577]3 years ago
8 0

Answer:

Step-by-step explanation:

-1+8=7

vaieri [72.5K]3 years ago
6 0

Answer:

The answer is -1+8=7. sorry if im wrong

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Novak hiked for 1¼ miles. After resting, he continued hiking for 2½ miles. How far did Novak hike?
kolbaska11 [484]

Answer:

3 3/4 miles

Step-by-step explanation:

work:

1 1/4 + 2 1/2 = 3 3/4

3 0
3 years ago
3.8:(4c+3)=2:2 2/19<br><br>Please help me! I really appreciate it!
Sati [7]

Please note that in such questions, the ":" stands for ratio which in turn stands for divide. Thus, the given expression which is:

3.8:(4c+3)=2:2\frac{2}{19} will become:

\frac{3.8}{4c+3}= \frac{2}{2\frac{2}{19}}.....(Equation 1)

Now, we know that 3.8 can be rewritten as \frac{38}{10}. Also, we know that the mixed fraction 2\frac{2}{19} can be re-written as:

2\frac{2}{19}=2+ \frac{2}{19}= \frac{38+2}{19}= \frac{40}{19}

Using the above two expressions in (Equation 1) we get:

\frac{\frac{38}{10}}{4c+3}= \frac{2}{\frac{40}{19}}

\frac{\frac{38}{10}} {4c+3}= \frac{2\times 19}{40}= \frac{38}{40}

Cross-multiplication gives:

38(4c+3)=\frac{40\times 38}{10}

4c+3=44c=1

c=\frac{1}{4}

Or c=0.25

Thus, we may write the value of c as either the decimal 0.25 or the fraction \frac{1}{4}.

8 0
3 years ago
Read 2 more answers
From midnight to 6 am , the temperature rose 8C. at 6am, the temperature was -20c. what was the temperature at midnight?
murzikaleks [220]
Take -20 - 8 = -28 C. the temperature at midnight
7 0
3 years ago
Pls help!!! What is the annual interest for a principle of $5,500 at a simple interest rate of 4.5%?
Verdich [7]

Answer:

Hi Ok So I might be wrong but Here is my answer

$1237.50

r = 4.5% = 0.045

I = prt

I = 5500*0.045*5

= $1237.50

Hope i helped pls mark me as brain list if I'm correct

Step-by-step explanation:

3 0
2 years ago
This is a problem involving absolute value<br> |-3| - |-17| =
den301095 [7]
That means the same as 3-17 so the answer is -14
7 0
3 years ago
Read 2 more answers
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