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vlada-n [284]
3 years ago
10

The point A(4, 2) is reflected over the point (-1,4) and it's image is point B. What

Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
7 0

Answer:

  B = (-6, 6)

Step-by-step explanation:

If M is the midpoint of AB, then ...

  B = 2M - A

  B = 2(-1, 4) -(4, 2) = (-2-4, 8-2)

  B = (-6, 6)

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Educators should ensure math instruction is only taught through structured activities rather than through everyday situations an
jok3333 [9.3K]

The statement ' educators should ensure math instruction is only taught through structured activities rather than through everyday situations and routines is True. Option A

<h3>Ways to improve mathematics education</h3>

They include;

  • Using hands-on learning methods
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  • Allow students to explain their reasoning
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Thus, the statement ' educators should ensure math instruction is only taught through structured activities rather than through everyday situations and routines is True. Option A

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6 0
2 years ago
How to find volume of a drawing of a piece of cake?
Ipatiy [6.2K]
Just find the volume of a triangular prism.

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8 0
3 years ago
Hadley has 3/6 of a box of white envelopes and 1/3 of a box of gray envelopes. When full, each box of envelopes has the same num
QveST [7]

Answer:

<u>The two statements that apply are A and B.</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

White envelopes Hadley has = 3/6 of a box

Gray envelopes Hadley has = 1/3 of a box

When full, each box of envelopes has the same number of envelopes

Hadley said she has 4/9 of a box when she puts the white envelopes and gray envelopes together.

2. Which statements describe this situation? Select the two statements that apply.

Let's add 3/6 and 1/3

3/6 + 1/3 = 3/6 + 2/6 = 5/6

A. Hadley’s answer is incorrect, because 3/6 is equal to 1/2 , and 4/9 is less then 1/2 .   This is correct.

B. Hadley's answer is incorrect, because 3/6 plus 1/3 equals 5/6.   This is correct.

C. Hadley's answer is incorrect, because 3/6 plus 1/3 equals 2/6.  This is wrong

D. Hadley's answer is correct, because 3 and 1 is 4, and 6 and 3 is 9. This is wrong.

<u>The two statements that apply are A and B.</u>

3 0
3 years ago
At noon, the minute and the hour hands of a clock overlap. In how long will they again overlap?
kati45 [8]

Answer:

Okay. At noon, the hour and minute hand overlap. First, let’s calculate the speed of the hands.

The minute hand rotates once around the clock every hour. It goes 360 degrees in 60 minutes, so it rotates 360/60 or 6 degrees per minute. The hour hand goes once around the clock every 12 hours. Because there are 60 minutes in an hour, it goes 360 degrees 12*60 or 720 minutes. This means it travels at a speed of 360/720 or 0.5 degrees per minute.

Once the clock starts, the minute hand goes ahead and rotates ahead of the hour hand. At 1:00, the minute hand is at 12, and the hour hand is ahead at 1. This is where we will start our calculations.

Now, we have a variable, m, which is the minutes that have passed since the clock started. So, our minute hand speed is 6m, and our hour hand speed is 0.5m. However, because the hour hand is at one, it is at 30 degrees. (360/12 * 1.) This means our equation is 6m = 0.5m+30.

Now, we calculate.

6m = 0.5m+30

5.5m = 30

m = 30/5.5

m = 5.45

So at 5.45 minutes, the minute hand is at the hour hand. However, because one hour has passed since we started, we have to add on one hour.

So, our final total is 1 hour 5 minutes and 27 seconds.

Step-by-step explanation:

4 0
3 years ago
What is a perimeter of a rectangle if one side is 6 in. and one is 8 in.?
ohaa [14]

Answer:

28

Step-by-step explanation:

6+6+8+8. Opposite sides of a rectangle are congruent

5 0
3 years ago
Read 2 more answers
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