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FrozenT [24]
3 years ago
12

Which of the following expressions is equivalent to 6m - 10?

Mathematics
1 answer:
anastassius [24]3 years ago
3 0
<span>6m - 10

Test each answer to find out which one's correct.
</span><span>2(3m + 5)
6m + 10

</span><span>-2(5 - 3m)
-10 + 6m
6m - 10

</span><span>2(3m - 10)
</span>6m - 20

The correct answer is <span>-2(5 - 3m).
</span>
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Lena reflected this figure across the x-axis. She writes the vertices of the image as A'(−2, 8), B'(−5, 6), C'(−8, 8), D'(−4, 2)
garik1379 [7]

Answer:

Option A) she reflected the pre-image across the y-axis

Step-by-step explanation:

we know that

When reflect a point across the the x-axis the rule of the reflection is equal to

(x,y) -----> (x,-y)

When reflect a point across the the y-axis the rule of the reflection is equal to

(x,y) -----> (-x,y)

In this problem we have

A(2,8),B(5,6),C(8,8),D(4,2)

Applying the rule of the reflection across the x-axis

The coordinates of the image would be

A'(2,-8),B'(5,-6),C'(8,-8),D'(4,-2)

Applying the rule of the reflection across the y-axis

The coordinates of the image would be

A'(-2,8),B'(-5,6),C'(-8,8),D'(-4,2)

therefore

she reflected the pre-image across the y-axis.

8 0
3 years ago
Which of these is NOT a terminating decimal?<br> A) 1.88<br> B) 1.875 <br> C) 0.88<br> D) 0.8
slamgirl [31]

Answer:

D

Step-by-step explanation:

8 0
2 years ago
I am having trouble learning how to convert an equation to standard form can someone please explain this to me? ( my teacher ten
Molodets [167]
First, you have to simplify the equation:
y+3 = 3(x+5)
y+3=3x+15
So you multiply what’s inside the brackets (x+5) by the factor (3). So 3•x=3x, 3•5=15.
Then you rearrange the equation as necessary to convert it into standard form, which is Ax + By = C
3 0
3 years ago
3. Rewrite the expression as simply as you can:<br> 3x + 11y - 2x - 4y
vfiekz [6]

Answer:

x+7y

Step-by-step explanation:

First off, lets split the question into both x and y.

3x - 2x for the x

11y - 4y for the y

You can solve both of them to get x + 7y

3x - 2x = x

11y - 4y = 7y

Then, add them back up and get x + 7y

7 0
3 years ago
Read 2 more answers
X + (y + 2) = (x + y) + z.<br> A. False<br> B. True
Serga [27]
A .
this is false
There’s no answer for x and y
5 0
3 years ago
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