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Harman [31]
3 years ago
11

Find the sum of (8 +2 −4) and (3 − 5)

Mathematics
2 answers:
katen-ka-za [31]3 years ago
8 0

Answer:

4

Step-by-step explanation:

pickupchik [31]3 years ago
6 0

Step-by-step explanation:

all you have to do is add 8 plus 2 then subtract 4

but the answer is 6 and for the next one is -2 your welcome

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The length of line PQ is 7.5 inches. what is the absolute error of the measurement?
Rashid [163]

Answer:

The absolute error of the measurement is 0.25 inches

Step-by-step explanation:

we know that

The absolute error of a measurement is equal to one  half the unit of measure.

In this problem we have

7.5 inches

The measurement is given  by 0.5 inches

So

the absolute error of this  measurement is  

\frac{1}{2}(0.5)=0.25\ in

Therefore

the exact measurement could be between  

7.5 (+/-) 0.25 in

That is, between  7.25 in and  7.75 in

4 0
3 years ago
Find the slope of the line shown on the graph to the right
katrin2010 [14]

Answer:

it is 5/5, or if that doesn't work its 1 just in case you need to simplify

Step-by-step explanation:

from the first point, count how many squares go up, the count how many squares to the right, so up 5 over 5

3 0
2 years ago
Factor x^2+3xy+2y^2+4x+7y+3
Aleksandr-060686 [28]
3xy(x+4)(2y+7)(xy+1) is what I got
4 0
3 years ago
(6.15x+0.24y)÷1.5+5.9x−1.6y Help plz
nadya68 [22]

Answer:

10x − 1.44y

Step-by-step explanation:

(6.15x + 0.24y) ÷ 1.5 + 5.9x − 1.6y =

= 4.1x + 0.16y + 5.9x − 1.6y

= 10x − 1.44y

8 0
4 years ago
Read 2 more answers
V=1/3 pi r squared h what is h?
Sveta_85 [38]

Step-by-step explanation:

V = 1/3 pi r^2 h

root(V ÷ 1/3 pi) = h

6 0
3 years ago
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