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mixer [17]
3 years ago
7

Help please4 − ( −12) + ( −7) =​

Mathematics
1 answer:
ipn [44]3 years ago
5 0

............................................9

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(8)+-(6)+-9<br><img src="https://tex.z-dn.net/?f=%285%29%20-%20%287%29%20%2B%20%289%29%20%2B%208%20-%204" id="TexFormula1" title
andrey2020 [161]
To solve both of these expressions, we want to add or subtract from left to right.

For the first one, we can rewrite it as:

8-6-9
=2-9
=-7

The second one we can rewrite as:

5-7+9+8-4
=-2+9+8-4
=7+8-4
=15-4
=11
5 0
4 years ago
3xyz is also a choice but once again i can’t simplify
Nataliya [291]

Answer:

3xyzsquare root of xy^2

the third option

Step-by-step explanation:

look for what you cn take from all of it equally

5 0
3 years ago
callie spent 3/4 hour on a science report and 1/3 hour on a social studies report. What fraction of an hour longer did she spend
seraphim [82]
3/4+1/3=9/12+4/12=13/12  of an hour

13/12= 1 1/12
7 0
3 years ago
What is the slope of a line parallel to the graph of y+1=-8(x-2)?
inn [45]
Y+1=-8(x-2)
y+1=-8x+16
y=-8x+15
The slope would be -8
8 0
3 years ago
In 12 hours , the temperature fell steadily from 17F to -7F. What was the change in temperature
r-ruslan [8.4K]

Answer:

the change was 24F

Step-by-step explanation:

8 0
3 years ago
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