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strojnjashka [21]
3 years ago
7

Can someone please help

Mathematics
1 answer:
Sergio039 [100]3 years ago
5 0

i think it might be the first choice A.

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On a coordinate plane, how are the locations of the points (-4 , 8) and (-4 , -8) related?
STALIN [3.7K]

Answer:

A. reflection across the y-axiss

Step-by-step explanation:

Given:

The locations of the two points are (-4 , 8) and (-4 , -8).

To find:

The relation between two points.

From the given points (-4, 8) and (-4 , -8), it is clear that the y-coordinates are same but the sign of x-coordinates are opposite.

If a figure is reflected across the y-axis, then we change the sign of x-coordinate and the y-coordinates remain same, i.e.,

(x,y)→(-x,y)

For (-4,8)

(-4,8)→ (-4,-8)

So, it is reflection across the y-axis.

Therefore, the correct option is A.

6 0
3 years ago
Mai and Tyler work on the equation 2/5b+1=-11 together. Mais soulution is b=-25 and Tyler’s is b=-28. Here is their work. Do you
Anika [276]

Answer:

No I don't agree with their solution; both their answers are wrong.

Correct answer is b=-30.

Step-by-step explanation:

Given:

\frac{2}{5}b+1=-11

Now given:

According to Mai b = -25 and According to Tyler b = -28

Now we need to find which of them is correct.

So we will solve the given equation we get;

\frac{2}{5}b+1=-11

Subtracting both side by 1 we get;

\frac{2}{5}b+1-1=-11-1\\\\\frac{2}{5}b =-12

Now Multiplying both side \frac{5}{2} we get;

\frac{2}{5}b\times\frac{5}{2}= -12 \times \frac{5}{2}\\\\b=-6\times 5\\\\b=-30

Hence both of them are incorrect, correct answer is b=-30.

3 0
3 years ago
Use the function r=n-7 to find the value of r when n =10​
harkovskaia [24]

Answer:

r=3

Step-by-step explanation:

if n=10

r=n-7

r=(10)-7

r=3

8 0
3 years ago
Simplify the ratio 18:30. Write using a colon<br><br> USE A COLON PLEASE HELP!!!!
Rom4ik [11]

Answer:

3:5

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
The perimeter of a rectangle is 52 and its width is 6 less than its length . Find the length and width . * Write The Formula *
andrey2020 [161]
2W = 16in. + 2L = 10 =52in.
6 0
3 years ago
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