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Brut [27]
4 years ago
15

Evaluate the expression 2x - 3y for x = -6 and y = -7

Mathematics
2 answers:
erica [24]4 years ago
4 0

Answer: 9

Step-by-step explanation:

First, you substitute the -6 and -7 for x and y. 2(-6) - 3(-7). Then, you do the first part of the equation: 2(-6)= -12. Then do the second part -3 (-7) which is 21 (remember positive x positive = positive). Then you are left with -12+ 21 which is 9.

timofeeve [1]4 years ago
3 0

Answer9

Step-by-step explanation:

mark brainliest PLEASE

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Not sure about this.. please help!!
Lina20 [59]

Answer:

Cube

Step-by-step explanation:

A cube is a 3-D shape that consists of 6 squares. A cube is the correct following shape that must have a square base or a square bottom since all of it's sides are the shape of a square.

Hope this helps!!! PLZ MARK BRAINLIEST!!!

3 0
3 years ago
Read 2 more answers
At the Kennel, the ratio of dogs to cats is 2:1. If there are 10 dogs, how many cats are there
beks73 [17]

Answer:

10 dogs, 5 cats

Step-by-step explanation:

2:1 = whole to half

5 0
3 years ago
Lily estimated a quotient of 120 and found an actual quotient of 83. what should she do next
natali 33 [55]

She should check her actual quotient again, carefully.  Something is
definitely wrong.  The spread between her estimate and the actual
quotient is too much.  She probably made a mistake with (at least)
one of them. 

Since the estimate was just for her own convenience and the actual
quotient was the one that really counts, she should go straight to the
actual quotient and look there for a mistake first.

5 0
4 years ago
Hi can anyone plss help me in go0.gle slides its a presentation I have to do but I need help with this
Keith_Richards [23]

Answer:

what do you need help with

Step-by-step explanation:

explain it

7 0
2 years ago
Kari is comparing two numbers A and B, shown below.
m_a_m_a [10]
<h3>Answer:  B = 10A + 8</h3>

===========================================================

Explanation:

This is something you would do through trial and error to check each answer choice

--------------

We can cross off A = 10B since

A = 10B = 10*(6,007,058) = 60,070,580

but that's not what A is actually equal to (it should be 600,705)

---------------

We can also cross off A = 100B + 58 because,

A = 100B + 58

A = 100*(6,007,058) + 58

A = 600,705,800 + 58

A = 600,705,858

But that doesn't match with A = 600,705 either

-----------------

Now let's try the third equation

B = 10A + 8

B = 10(600,705) + 8

B = 6,007,050 + 8

B = 6,007,058

That matches with what your teacher gave you. So this confirms we have the correct equation.

-----------------

I'll let you check the remaining two. You should find that they don't work out.

4 0
3 years ago
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