MATHEMATICS HIGH SCHOOL

Estimate sixty-two percent of one hundred twenty-four.

Answers

Answer 1
Answer: approximately 77

reasoning — 62% of 100 = 62
and ————— 10% of 24 = 2.4 * 6 = 14.4
———————— 62 + 14.4 = 76.4 ,
and i rounded up since i didn’t do the full 62% of 24 .
giving the estimated answer of about 77

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Rate: 12 laps in 4 minutes Time: 24 minutes

Answers

Answer:

72

Step-by-step explanation:

Write a fraction for 2 copies of 1/6

Answers

1/6 = 2/12 = 3/18

multiply or divide the top bottom numbers by the same number

Complete the following question:Order these numbers in ascending order.

-5.97, 600, 205, 456.98, -45.9

Answers

Answer:

-45.9 , -5.97 , 205 , 456.98 , 600

Lee had a total of 40 e-mails on Monday. Twelve of the e-mails were from her friend Cara. What percent of the e-mails were from Cara?

Answers

❅ We can look at this question as what is 12% of 40.
❅ Lets lookat it like this: Y is 12% of 40
❅ We are going to do y=12%*40

❅ Now convert the answer you get into a decimal.
❅ 12%/100 = 0.12
❅ Now once again, solve: 0.12 * 40
❅ and then you get 4.8
❅4.8 is 12% of 40.
 Now to get the number of percent
Divide: 12/40=.3

And you get: .3=30%
So Carla was 30% of her emails.
And 4.8 is 12% of 40.
❅Hope this helps!❅
To find the percentage we divide the number of emails from Cara by the total number of emails.

12/40=.3

.3=30%

30% of the emails were from Cara

It is not always helpful to rewrite an equation in standard form as a first step in solving it.True/False?

Answers

The answer to the problem above is True. Standard form of an equation means the right side of the equation should be 0, and everything on the left side. For example, x^2 = 4 , to make this this in standard form you have to transfer number 4 to the left side of the equation making it x^2 - 4 = 0.
In this situation, if you will be asked to look for x, there is no need to make the equation in standard form, you can directly take the square root of both sides of the equation to get x.

Answer:

True

Step-by-step explanation:

apex

Which statements are true about the reflectional symmetry of a regular heptagon? Check all that apply. It has only 1 line of reflectional symmetry. A line of symmetry will connect 2 vertices. A line of symmetry will connect a vertex and a midpoint of an opposite side. It has 7-fold symmetry. A line of symmetry will connect the midpoints of 2 opposite sides.

Answers

Answer:

A line of symmetry will connect a vertex and a mid point of an opposite side, it has 7 fold symmetry.

Step-by-step explanation:

When the figure can be folded over onto itself along a line. This line is called the "line of symmetry" and this exists for the rotational symmetry.

If we connect a vertex and a midpoint of an opposite side of an heptagon by drawing a line, we will obtain two equal halves.

Also, a heptagon has seven vertices, therefore it has 7 fold symmetry.

The true statements about the reflectional symmetry of a regular heptagon are:

  1. A line of symmetry will connect a vertex and a mid-point of an opposite side,
  2. it has 7 fold symmetry.

The line of symmetry of a shape divides the shape into equal segments

A regular heptagon has 7 sides.So, it has 7-fold symmetry

Also, the line of symmetry passes through the midpoint and meets the opposite vertex.

Hence, the true statements are: (b) and (c)

Read more about line of symmetry at:

brainly.com/question/547436
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