Which equation represents the graph of the linear function?A. y= -1/3x+1
B.y=-3x-1
C.y=3x+1
D.y=-3x+1

Answers

Answer 1

Answer: The answer is D because the y intercept is a positve one, and when you find the slope, it is -3. To find the slope, you can either pick two points on the graph and do y1 -y2 over x1-x2, or you can count the slope on the graph.

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after five tests, Mike's average score is 91. After 6 tests, his average score was 89. what was his score, on the sixth test?

Answers

( x 1 + x 2 + x 3 + x 4 + x 5 ) / 5 = 89 Multiply both sides by 5

x 1 + x 2 + x 3 + x 4 + x 5 = 89 * 5 = 445

( x 1 + x 2 + x 3 + x 4 + x 5 + x 6 ) / 6 = 90

( 445 + x 6 ) / 6 = 90 Multiply both sides by 6

445 + x 6 = 6 * 90 = 540

x 6 = 540 - 445 = 95

Final answer:

Mike's score on the sixth test can be found by subtracting the total score after five tests from the total score after six tests (534 - 455), which yields a score of 79.

Explanation:

In order to solve this problem, we need to understand how averages work. The total score after five tests is 91*5, which amounts to 455. After the sixth test, the total average dropped to 89. To find the total score after six tests, you multiply 89*6, which gives us 534. The score for the sixth test can be found by subtracting the total score after five tests from the total score after six tests. So, 534 - 455 = 79. Therefore, Mike scored 79 on his sixth test.

Learn more about Averages here:

brainly.com/question/34817150

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between which two consecutive integers does 173 lie? Answer: A. 10 and 11 B. 11 and 12 C. 13 and 14 D. 12 and 13

Answers

i think it is d not sure

Find the area of the square in inches 2

Answers

Answer:

Step-by-step explanation: the area is width x length so 2 x 2

The airplane has a wingspan of a feet and a tailspan of b feet. If the tailspan in the drawing is 2 inches, and a/b = 3, what is the actual wingspan of the airplane?Scale: 1 inch = 5 feet

Answers

x/2 = 3 (x= 3*2 = 6in)

6in = 30ft

Hope I become the brainliest answer

Answer:

30 feet is correct.

Step-by-step explanation:

Since a = 3b, the wingspan is 6 inches in the drawing, so it is 6x5 = 30 feet on the plane.

A bag contains 4 pennies, 6 nickels, and 10 dimes. What is the probability of randomly selecting a nickel or dime from the bag?

Answers

16 out of 20 (simplified is 4 out of 5) or 80%

There are 20 coins total and 16 of them are nickels AND dimes so...
16/20=> 4/5
80%
0.8

Manuel builds and sells wooden crates. He made a table to show how much his crates cost.How much will he be paid for 7 crates?

$

Manuel’s Crates

Crates
2 4 6 8
Cost 25 45 65 85