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3 years ago

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Triangle XYZ is the pre-image with vertex X(-6,-4). Given the algebraic rule for the composition, , what are the coordinates of

X’? a. (-4,6) b. (-3,1) c. (-1,11) d. (1,3)

1 answer:

Nat2105 [25]3 years ago

7 0

The answer would be the third option which is (-1,11)

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There are 5 exams in a semester. You have scored 77, 90, 85, and 100 on the previous four exams. What must you make on the fifth

siniylev [52]

Answer:

<h2>The correct answer for this question is 78.</h2>

Step-by-step explanation:

The average or mean of any variable or mathematical phenomenon is calculated as the division of the sum of all the numbers or items within the particular variable by the total number of items or numbers within the variable.
In this case, the marks of the 4 exams in the semester are 77,90,85 and 100 respectively.There are total 5 exams in the semester.
Let's suppose that the marks for the 5th exam is x.
Therefore, based on the mathematical formula to compute average or mean,to get an overall average of 86 including all the 5 exams, one has to get:-

$\frac{77+90+85+100+x}{5}=86$

$77+90+85+100+x=430$

$x=430-77-90-85-100$

$x=78$

Hence, based on the above calculations,one has has to get 78 on the 5th exam to obtain an overall average of exactly 86.

5 0

3 years ago

Can you answer this for me plssss 0.5(r+2.75)=3

lora16 [44]

Step-by-step explanation:

0.5 ( r + 2.75 ) = 3

r + 2.75 = 3 / 0.5

r + 2.75 = 6

r = 6 - 2.75

r = 3.25

4 0

3 years ago

Read 2 more answers

Which does NOT represent a function? ill give brainliest

r-ruslan [8.4K]

Answer:

C

Step-by-step explanation:

C is not a function because 5 has two y values

8 0

2 years ago

Read 2 more answers

Encrypt the word PLACE using an alphabetic Caesar shift cipher with shift 13 ( mapping A and N)

Vladimir [108]

PLACE

P > C

L > Y

A > N

C > P

E > R

CYNPR

6 0

3 years ago

If using the method of completing the square to solve the quadratic equation x2 - 6x – 7 = 0, which number would have to be adde

Vanyuwa [196]

Answer:

(-3)^2

Step-by-step explanation:

You add 7 on both sides, giving you x^2 - 6x = 7

Then, take half of b, and square it. Giving you x^2 - 6x +(-3)^2 = 7

The answer will be (-3)^2 for this question, but this is not the full solution.

Hope this helped. Good luck on the rest!

3 0

2 years ago