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Sladkaya [172]
3 years ago
5

Matthew used his computer for 2 1/8 hours on Tuesday evening and for 2 1/4 hours on Wednesday

Mathematics
1 answer:
trasher [3.6K]3 years ago
8 0
If your asking for the total, 2 1/4 has to change so there’s common denominator, so 2 1/4 x 2 = 2 2/8. Then add 2 2/8 + 2 1/8= 4 3/8
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Which describes the correct way to convert minutes hours
masha68 [24]

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5 0
3 years ago
Read 2 more answers
Factorise
Rufina [12.5K]

Answer:

6x - 9

3(2x−3)

2a(5b+3)

Step-by-step explanation:

Factor 6a+10ab

10ab+6a

Factor 6x−9

6x−9

=3(2x−3)

                             :))

8 0
2 years ago
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You need to solve a system of equations. You decide to use the elimination method. Which of these is not allowed? 2x - 3y = 12
suter [353]

Answer:

A.

Step-by-step explanation:

The Elimination Method is the method for solving a pair of linear equations which reduces one equation to one that has only a single variable.

If the coefficients of one variable are opposites, you add the equations to eliminate a variable, and then solve.

If the coefficients are not opposites, then we multiply one or both equations by a number to create opposite coefficients, and then add the equations to eliminate a variable and solve.

When multiplying the equation by a coefficient, we multiply both sides of the equation (multiplying both sides of the equation by some nonzero number does not change the solution).

So, option B is not allowed (it is not allowed to multiply only one part of the equation)

6 0
2 years ago
Ben has a bag with 4 green counters 4 red counters and 12 white counters Ben takes a counter from the bag at random find the pro
zvonat [6]
I’m not getting the question??
8 0
2 years ago
382215 HELP AGAIN PLZ!
UNO [17]

Answer:

k'=3,-6

l'=3,1

m'=8,1

n'=8,-6

Step-by-step explanation:

6 0
3 years ago
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