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kifflom [539]
3 years ago
14

Reflect the point (2,-4) over the y-axis

Mathematics
2 answers:
kkurt [141]3 years ago
7 0

Answer: (-2, -4)

Step-by-step explanation:

When a point is reflected over the y-axis, multiply the x-coordinate by -1.

choli [55]3 years ago
6 0

Answer:

(-2, -4)

Step-by-step explanation:

When we reflect a point over the y axis, all we do is change the sign of the x variable. As you see, that is what I did above.

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Help with this question please also explain how you got your answer. Will mark brainliest.
sergij07 [2.7K]
Green.


You first must find the Least Common Denominator(LCD) of the fractions. You find that it is 20. 4/5 will turn into 16/20 because you must make it have a denominator with 20, and by doing so, you must multiply to get 20. 4×4=16, 5×4=20: 16/20. For 1/2, simply multiply by 10 to get 20 as the denominator. 1×10=10, 2×10=20: 10/20. Compare the two. You may convert the fractions to decimals to make your answer reasonable. 16/20 is clearly more than 10/20, so there is your answer.

P.S

16/20 is 0.8 as a decimal.
10/20 is 0.5 as a decimal.

Oh, and You're welcome!
3 0
4 years ago
What is 5.62 in expanded form
Lady_Fox [76]
5.62 = (5 x 1) + (6/10) + (2/100)
5 0
3 years ago
Simplify y+1<3 please need help
Zepler [3.9K]
STEP-BY-STEP SOLUTION:

Let's first establish the inequality which we need to solve as displayed below:

y + 1 < 3

To begin with, we need to make ( y ) the subject by keeping it on the left-hand side of the inequality and placing all other numbers on the right-hand side of the equality as displayed below:

y + 1 < 3

y < 3 - 1

Then, we simply simplify / solve as displayed below:

y < 3 - 1

y < 2

ANSWER:

y < 2
4 0
3 years ago
Combine the like terms to create an equivalent expression: −5r+8r+5
Anton [14]

Answer:

3r+5

Step-by-step explanation:

Since -5r and 8r both have r in them, we can combine them and the expression looks like:

3r+5

Which is our answer.

8 0
3 years ago
Read 2 more answers
I drove to the beach at a rate of 40 miles per hour. If I had driven at a rate of 30 miles per hour instead, then I would have a
Sedaia [141]

Answer:

40 miles

Step-by-step explanation:

Let's set <em>x</em> to the number of miles driven, and <em>t</em> to the number of hours it took to drive.

We know that 40<em>t</em> is equal to <em>x</em>.

We also know that 40<em>t</em> is equal to 30(<em>t</em> + 1/3).

Solve for t:

40t = 30(t+1/3)

40t = 30t + 10

Subtract 30t from both sides:

10t = 10

Divide 10 from both sides:

t = 1

40t = 40 x 1 = 40 miles

5 0
3 years ago
Read 2 more answers
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