Which statement is true for the ordered pairs (-5,-4),(-9,-3)and (-8,-2)

425 students in the 9th, 10th, and 11th grades were asked if they ride the bus to school. The results are shown in the two-way f

Ipatiy [6.2K]

The true statements are:

44/85 of the student surveyed do not ride the bus to school
About 32% of the students are in the 9th grade

The false statements are:

64% of the students are 11th graders
134/150 of the students surveyed are in 9th or 10th grade

<h3>How to interpret the two-way frequency table</h3>

<u>The students that do not ride bus to school</u>

From the table, 220 students do not ride bus to school.

So, the proportion of students that do not ride bus to school is:

$p=\frac{220}{425}$

Simplify

$p=\frac{44}{85}$

Hence, this statement is true

<u>The 9th graders </u>

From the table, 134 students are 9th graders

So, the proportion of students that are 9th graders is:

$p=\frac{134}{425}$

Divide

$p=0.315$

Approximate, and represent as percentage

$p=32\%$

Hence, this statement is true

<u>The 11th graders </u>

From the table, 141 students are 11th graders

So, the proportion of students that are 11th graders is:

$p=\frac{141}{425}$

Divide

$p=0.331$

Approximate, and represent as percentage

$p=33\%$

Hence, this statement is false

<u>The 9th or 10th graders </u>

From the table, 134 + 150 students are 9th or 10th graders

So, the proportion of students that are 11th graders is:

$p=\frac{134 + 150}{425}$

$p=\frac{284}{425}$

Hence, this statement is false

Read more about two-way frequency table at:

brainly.com/question/16148316

4 0

3 years ago

Read 2 more answers

Solve -1 7/8 * (-2 2/5)

Semmy [17]

Answer:

exact form:

9/2

decimal form:

4.5

mixed number form:

4 1/2

Step-by-step explanation: sorry if this wasnt what you were looking for.

3 0

4 years ago

I already tried C=pi times diameter but it didn't work so can someone help me please.

slamgirl [31]

C=2pi(diameter)
C=2pi(14)
C=28pi

8 0

3 years ago

Read 2 more answers

Ky wants to buy 3 shirts which were originally priced $49.96 each the store will discount the price of the third shirt and then

IRINA_888 [86]

D = discount on third shirt
c = total cost
Sales tax of 7.1% equates to 1.071

c = (Cost of 1st Shirt + Cost of 2nd Shirt + Cost of Third Shirt) * Sales Tax
c = (49.96 + 49.96 + (49.96 - d)) * 1.071

Since you didn't specify the discount on the third shirt, this is the best I can do for you.

The mean of the cost of the shirts would be c/3

4 0

4 years ago

Find the maximum value of

noname [10]

Answer:

(3, 1)

Step-by-step explanation:

Given the following constraints:

2x + 4y ≤ 10

x + 9y ≤ 12

x ≥ 0

y ≥ 0

We have to first graph the above constraints and secondly, we find the boundary points for the feasible region. This is done by plotting the graphs of 2x + 4y ≤ 10 and x + 9y ≤ 12.

From the graph, the following points satisfy the constraints:

(0,0) , (3,1) , (0,4/3) , (5,0)

Given that:

P = x + 6y

For (0, 0): P = x + 6y = 0 + 6(0) = 0

For (3, 1): P = x + 6y = 3 + 6(1) = 9

For (0, 4/3) P = x + 6y = 0 + 6(4/3) = 8

For (5, 0) P = x + 6y = 5 + 6(0) = 5

6 0

3 years ago