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3 years ago

The endpoints of EFare E(xE , yE) and F(xF , yF). What are the coordinates of the midpoint of EF?

Mathematics

2 answers:

jekas [21]3 years ago

3 0

<span>The coordinates of the midpoint of EF is ((xE + xF)/2, (yE + yF)/2)
The third option is the correct answer.
</span>

algol133 years ago

3 0

Answer:

(C)

Step-by-step explanation:

It is given that the end points of EF are $E(x_{E},y_{E})$ and $F(x_{F},y_{F})$ .

Let the mid point of EF be M, then the coordinates of M can be found by using the mid point formula,

M= $(\frac{x_{1}+x_{2}}{2},\frac{y_{1}+y_{2}}{2})$

M= $(\frac{x_{E}+x_{F}}{2},\frac{y_{E}+y_{F}}{2})$

Thus, option C is correct.

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I just need a little help on this ??! Please.

lawyer [7]

1. Since it's m - 7 you would have 7 to both sides so you would in fact have m < 13. If you double check your answer, you see that if m is say 12 (because 12 is obviously less than 13), 12 - 7 < 6

2. Again, use the same process on this problem as the first one. Add 8 to each sides because it's you're subtracting 8 from n. So you end up with n > 13. Check your answer. Say n is 14. 14 - 8 > 5

3. This one is different because you are adding 5 to p. So in order to get p by itself, you need to subtract 5 from both sides. p < 5. Say p is 4, 4 + 5 < 10.

When working with problems like these, you need to isolate the variable on one side and get it by itself.

5 0

3 years ago

In a recent year, a sample of grade 8 Washington State public school students taking a mathematics assessment test had a mean sc

Daniel [21]

Answer:

The number is $N =1147$ students

Step-by-step explanation:

From the question we are told that

The population mean is $\mu = 281$

The standard deviation is $\sigma = 34.4$

The sample size is n = 2000

percentage of the would you expect to have a score between 250 and 305 is mathematically represented as

$P(250 < X < 305 ) = P(\frac{ 250 - 281}{34.4 } < \frac{X - \mu }{\sigma } < \frac{ 305 - 281}{34.4 } )$

Generally

$\frac{X - \mu }{\sigma } = Z (Standardized \ value \ of \ X )$

$P(250 < X < 305 ) = P(-0.9012< Z$

$P(250 < X < 305 ) = P(z_2 < 0.698 ) - P(z_1 < -0.9012)$

From the z table the value of $P( z_2 < 0.698) = 0.75741$

and $P(z_1 < -0.9012) = 0.18374$

$P(250 < X < 305 ) = 0.75741 - 0.18374$

$P(250 < X < 305 ) = 0.57$

The percentage is $P(250 < X < 305 ) = 57\%$

The number of students that will get this score is

$N = 2000 * 0.57$

$N =1147$

6 0

3 years ago

Which item is NOT a savings instrument?

quester [9]

Answer with explanation:

A: Treasury Bond: In treasury bond interest is paid till that duration until the bond completely matures. When the period of bond gets over, Actual amount or Par Amount is Returned.

⇒A Saving Instrument.

B. C D

Compact Disc. A type of device that can store data, that is Nanotechnology is used to store more than 500 MB of data.

C: Saving Account

In saving Account, you can deposit and withdraw money at any time ,any day, with the evolution of new technology.

D: Checking Account

Same with the checking account,you can withdraw and deposit money any time on a day.

→Option A, C and D are , types of account , related with currency that is money, but option B, is term related to data.

Option B: →C D is not a Saving Instrument.

6 0

3 years ago

Someone plz help to become brainliest and get points !! :) plz answer truthfully

Ilia_Sergeevich [38]

Total number of cubic inches of cheese sauce in container = Volume of cylinder = $\pi .8^2.7$

Option A is correct.

Step-by-step explanation:

The diameter of cylinder = 16 inches

The height of cylinder = 7 inches

Total number of cubic inches of cheese sauce in container = Volume of cylinder = ?

The formula used to find Volume of cylinder is:

$Volume=\pi r^2h$

We are given diameter of cylinder while we need radius according to formula.

So, radius = diameter/2

radius = 16/2

radius = 8

Putting values and finding volume:

$Volume=\pi .8^2.7$

So, Total number of cubic inches of cheese sauce in container = Volume of cylinder = $\pi .8^2.7$

Option A is correct.

Keywords: Volume of cylinder

Learn more about Volume of cylinder at:

#learnwithBrainly

8 0

4 years ago

Please help with three questions!! Worth 98 points!!

qwelly [4]

Answer:

Please show us the questions and will help further this discussion.

4 0

3 years ago

Read 2 more answers