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mars1129 [50]
3 years ago
13

Subtract write in simplest form -2.45 - (-3.9)

Mathematics
1 answer:
nika2105 [10]3 years ago
4 0

Answer:

1.45

Step-by-step explanation:

-2.45 - (-3.9)

-2.45 + 3.9

1.45

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Solve -no - 80 < 60 for n. Show the work.
o-na [289]
-np - 80 < 60....add 80 to both sides
-np < 80 + 60
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n > -140/p
5 0
3 years ago
Y=-2 y=3x+1 in graph
Airida [17]

Answer:

The solution of the system is x=-1, y=-2

Step-by-step explanation:

we have

y=-2 ----> equation A

y=3x+1 ----> equation B

Solve the system by graphing

Remember that the solution of the system is the intersection point both lines

using a graphing tool

The intersection point is (-1,-2)

see the attached figure

therefore

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3 0
3 years ago
What is 8x over 2y ?
Nana76 [90]

Answer:

6 2/3.. i think

Step-by-step explanation:

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4 0
3 years ago
3/8x−1/3x+6=x find x
Elanso [62]

Step-by-step explanation:

3/8x-1/3x+6=x

(3(3x)-1(8x))/24=x-6

(9x-8x)=24(x-6)

x=24x-24×6

x=24x-144

144=24x-x

23x=144

x=144/23

3 0
3 years ago
81 is 18% of what number? Enter your answer in the box.
prohojiy [21]

Answer:

450

Step-by-step explanation:

If 81 is 18% of a number then we can say that:

x × 0.18 = 81

We multiply by 0.18 because 18% is 0.18 as a decimal. So to work out the real number we divide 81 by 0.18:

81 ÷ 0.18 = 450

3 0
3 years ago
Read 2 more answers
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