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2 years ago

12

Visitors to the schools website can follow a link to tje schools chorale pictures. If the website had 250 visitors in one week a

nd 3/10 of them visited the chorale pictured, how many visited the chorale pictures?

1 answer:

Nataly_w [17]2 years ago

3 0

It will be 143 views hope this help

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A triangle has sides with lengths of 5x-7,3x-4 and 2x-6. What is the perimeter of the triangle?

boyakko [2]

The perimeter is the sum of all the sides, so P = (5x -7) + (3x-4) + (2x -6). Then group like terms so you have p = 5x + 3x + 2x -7-4-6 and end up with P = 10x - 17

7 0

2 years ago

Consider the expression 8ab+3b+16-4a.

dmitriy555 [2]

Answer:

8 a b - 4 a + 3 b + 16. Simplify: 8 a b - 4 a + 3 b + 16 Answer: 8 a b - 4 a + 3 b + 16

Coefficient is any of the factors with the sign of the term. ... The given algebraic expression has three terms, namely, 4a 4b2c – 3a3b2c and 3/2 ab3c2

Step-by-step explanation:

3 0

2 years ago

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.

<u>Mean absolute deviation for Jason's scores.</u>

|84-80| = 4

|84-90| = 6

|84-95| = 9

|84-85| = 1

|84-70|= 14

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

<u>Mean absolute deviation for Jill's scores</u>

|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

2 years ago

I need help with this question on a math test

Tomtit [17]

large square: 144

Medium square: 100

small square: 9

3 0

2 years ago

Helpppp quickkkkk plzz

kozerog [31]

The Pythagoras Theorem is a^2 +b^2 = c^2 if this is true then you have a right triangle. So I think they are looking for side lengths in the first box.

5 0

2 years ago

Read 2 more answers