MATHEMATICS MIDDLE SCHOOL

The value of x ?

A)3
B)27
C)54
D)6

Answers

Answer 1

Answer:

Answer:

A) 3

Step-by-step explanation:

We know that the diagonals of the parallelogram intersect in half.

Therefore we hawe the equation:

x - 30 = -9 - 6x add 30 to both sides

x = 21 - 6x add 6x to both sides

7x = 21 divide both sides by 7

x = 3

Answer 2

Answer:

X=3 hope this helps sorry if I’m wrong

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Whats is 0.000000698 in scientific notation

Answers

0,000000698 = 6,98 * $10^(-7)$

PLEASE HELP!!!‼️‼️‼️ I need help with question 14 a and b show your work please‼️

Answers

a. The change after 1 hour is 2 inches because 6x10=60 (minutes) and you multiply 1/3 by 6/1 and get 6/3 or 2 inches.

b. The change after 2.25 hours is 4 1/2 inches because 2x2=4 and .25 (1/4) of an hour is 15 minutes so take 1/3 and multiply it by 1/2 (half of 10 is 5 and 10+5=15 min.) and you get 1/6 and then you add 1/3 and 1/6 together to get 1/2. So together it is 4 1/2 inches.

Wats the 60% off a prize that is $20.00

Answers

$x\ \rightarrow\ the\ 60\%\ of\ a\ prize\ that\ is\ \$20.00\n\nx=60\%\ \cdot \ \$20.00= (60)/(100) \cdot \$20.00=\$12.00\n\nAns.\ \$12.00$

Evelyn goes to a middle school that includes grades 6, 7, and 8. She wants to estimate the percentage of students in the school who ride the bus to school. She selects a random sample of 200 students to survey who are attending an after-school activity. She determines that 38% of the students at the activity ride the bus to school.Which statement about Evelyn's sample is true?

A. The sample is the percentage of students who ride the bus.
B. The sample might not be representative of the population because it only includes students who are attending an after-school activity.
C. The sample shows that exactly 38% of the students in the school ride the bus.

Answers

B. The sample might not be representative of the population because it only includes students who are attending an after-school activity.

I personally, would choose B.

2 PointsWhich of the items below is not an example of a fixed cost?
O
A. Packaging costs
O
B. Internet access fee
O
C. Monthly rent
O
D. Weekly fixed electricity costs
STI

Answers

Internet access fee is not an example of a fixed cost.

What is Fixed Cost?

The fixed cost definition states that businesses incur a cost that does not change positively or negatively with the number of goods sold or services given.

A fixed cost is a cost that remains constant regardless of production or sales volume.

Examples of fixed costs include monthly rent, packaging costs, and weekly fixed electricity costs.

Internet access fee is not an example of a fixed cost since it fluctuates based on usage.

The cost of internet access fee will increase or decrease depending on the amount of data used or the duration of usage.

Hence, Internet access fee is not an example of a fixed cost.

To learn more on Fixed Cost click:

brainly.com/question/29997061

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Answer:

A. packaging costs

Step-by-step explanation:

Packaging costs woupd change based on how many products are being shipped. The other payments are fixed because they are the same amount paid regularly. Packaging would be considered a variable cost.

The equation y = 17x shows that a boat travels at a speed of 17 km/h. Which ordered pair satisfies the equation y = 17x? A. (0, 0) B. (0, 17) C. (1, 18) D. (17, 1) PLEASE HELP ASAP!