MATHEMATICS HIGH SCHOOL

Which pair of measurements is not equivalent?3 hours, 10 minutes and 190 minutes
240 minutes, and 4 hours
350 minutes, and 5 hours, 50 minutes
480 minutes, and 6 hours

Answers

Answer 1
Answer:

Answer:

480 minutes, and 6 hours

Step-by-step explanation:

At first we should know that

1 hour = 60 minutes

We will check which option is not equivalent.

1) 3 hours, 10 minutes and 190 minutes

3 hours, 10 minutes = 3 * 60 + 10 = 180 + 10 = 190 minutes

So, the pair of measurements is equivalent.

2) 240 minutes, and 4 hours

4 hours = 4 * 60 = 240 minutes

So, the pair of measurements is equivalent.

3) 350 minutes, and 5 hours, 50 minutes

5 hours, 50 minutes = 5 * 60 + 50 = 300 + 50 = 350 minutes

So, the pair of measurements is equivalent.

4) 480 minutes, and 6 hours

6 hours = 6 * 60 = 360 minutes

So, the pair of measurements is not equivalent.

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Original equation: y = 2x + 7Which equation will shift the graph of the original equation 2 units up?

A) y = 2x + 9
B) y = 4x + 7
C) y = 2x + 2
D) y = 2x - 2

Answers

A) y = 2x + 9 .........................

a couch sells for $1260. instead of paying the toatl amount at the time of the purchase, the same couch can be brought by paying 400 down and 80 a month for 12 months. how much is saved by paying the total amount at the time of the purchase

Answers

Answer:

$100 can be saved.

Step-by-step explanation:

A couch sells for = $1260

The same couch can be brought by paying 400 down payment and $80 per month for 12 months.

Total amount will be paid  = 400 + (80× 12)

                                            = 400 + 960

                                            = $1,360

Difference between the amounts = 1360 - 1260

                                                       = $100

You can save $100  by paying the total amount at the time of the purchase.
If you pay $400 down, plus $80 for the next 12 months, that means you're paying (80*12)+400 which is equal to $1360. You're saving $100 by paying the entire total up front.

Hailey’s new puppy, sparky, weighed 4 pounds at six weeks old. if the puppy gains 2.5 pounds each month, after how many more months will sparky weigh 14 pounds? is this situation modeled by a linear function or an exponential function?

Answers

........................

2.4 Months
Linear

Answer:

4 months linear function

Step-by-step explanation:

How do you write the following standard number in expanded notation?31,606,577

a. 30,000,000 + 1,000,000 + 600,000 + 60,000 + 5,000 + 700 + 7
b. 30,000,000 + 1,000,000 + 60,000 + 600 + 500 + 70 + 7
c. 30,000,000 + 1,000,000 + 600,000 + 6,000 + 500 + 7 + 7
d. 30,000,000 + 1,000,000 + 600,000 + 6,000 + 500 + 70 + 7

Answers

31,606,577

= 30,000,000 + 1,606,577

= 30,000,000 + 1,000,000 + 606,577

= 30,000,000 + 1,000,000 + 600,000 + 6,577

= 30,000,000 + 1,000,000 + 600,000 + 6,000 + 577

= 30,000,000 + 1,000,000 + 600,000 + 6,000 + 500 + 77

= 30,000,000 + 1,000,000 + 600,000 + 6,000 + 500 + 70 + 7

The answer is D.

Find the length of the base of a square pyramid if the volume is 128 cubic inches and has a height of 6 inches. Use 3.14 for pi and round your answer to the nearest hundredth.A. 4 inches
B. 8 inches
C. 16 inches
D. 24 inches

Answers

h=6 
V=128
a=√(3(V/h))a=8
base length = 8
The problem ask to find and calculate the base of a square pyramid if the volume is 128 cubic inches and has a height of 6 inches. Base on that data, I came up with a solution that leads to my answer and the answer among the choices is letter B. 8 inches

The standard diameter of a golf ball is 42.67 mm. A golf ball factory does quality control on the balls it manufactures. Golf balls are randomly measured to ensure the correct size. One day, an inspector decides to stop production if the discrepancy in diameter is more than 0.002 mm. Which function could represent this situation?A. f(x ) = x – |42.67|
B. f(x ) = |x| – 42.67
C. f(x ) = |42.67 – x|
D. f(x ) = 42.67 – |x|

Answers

The correct answer is:
C) f(x)=|42.67-x|.

Explanation:
Production will be stopped if the difference in diameter is greater than 0.002 mm.
This difference can mean that the golf ball has a diameter more than 0.002 larger than 42.67 mm, or a diameter more than 0.002 smaller than 42.67. This is the reason for using an absolute value function.
 Absolute value represents the distance a number is from 0. For this function, we would want only the values where the function is less than 0.002.

Answer: B

Step-by-step explanation: i got it right on edge

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