All categories

4 years ago

What is the value of x? A. 50° B. 20° C. 55° D. 160°

Mathematics

1 answer:

SCORPION-xisa [38]4 years ago

6 0

Answer: I think it’s 50

Work: 50+55=105

You might be interested in

Jason and Jill or two students in mr. White's math class. On the last 5 quizzes Jason scored an 80 90 95 85 and 70. Jill scored

Mrac [35]

Jason's scores : 80 90 95 85 70 and

Jill's score : 70 75 90 100 95.

Mean of Jason's scores = $\frac{80 + 90 + 95 + 85 + 70}{5}=\frac{420}{5}=84.$

Mean of Jill's scores = $\frac{70+75+90+100+95}{5}=\frac{430}{5}=86$

Now, in order to find the mean absolute deviation, need to find the difference of each score from means.

Mean absolute deviation for Jason's scores.

|84-80| = 4

|84-90| = 6

|84-95| = 9

|84-85| = 1

|84-70|= 14

$\frac{4+6+9+1+14}{5}=\frac{34}{5}=6.8$

Mean absolute deviation for Jill's scores

|86-70| = 16

|86-75| = 11

|86-90| = 4

|86-100| = 14

|86-95|= 9

$\frac{16+11+4+14+9}{5}=\frac{54}{5}=10.8$

Jill got average quiz score 86 and Jason got 84.

Therefore, Jill got better quiz average.

Also, the mean absolute deviation for Jason scores is less that is 6.8 than 10.8.

Therefore, Jason got more consistent grades.

8 0

4 years ago

Divide (-2x-3+8x^2) by (1 + 4x)

Strike441 [17]

Answer:

8x^2-2x-3/1+4x

Step-by-step explanation:

It doesn't say any of your answers but i just used a calculator and that's what i got

Sorry if its wrong

8 0

3 years ago

If the balance at the end of eight years on an investment of $630 that has been invested at a rate of 9% is $1,083.60, how much

Contact [7]

The interest is $453.60.

The total amount includes principal + interest. The principal was 630 and the total amount was 1083.60.
1083.60 - 630 = 453.60.

3 0

4 years ago

The graph shows the relationship between hours spent on video games and hours spent on homework last week for students in Joyce'

Lady bird [3.3K]

Answer:
the answer is b
Step-by-step explanation:
khan academy

6 0

2 years ago

6 = 14 - x One step equations review

Ymorist [56]

Answer:

x = 8

Step-by-step explanation:

6 = 14 - x

chance the equation around so it is solvable

14 - x = 6

14 - 6 = x

now solve

14 - 6 = 8

that means x equals 8 so

6 = 14 - 8

4 0

3 years ago

Read 2 more answers