MATHEMATICS HIGH SCHOOL

Help me bruhTwo waves with amplitudes of 75 units and 74 units arrive at a point in a medium simultaneously. If the two waves are out of phase with each other, what
is the resultant amplitude of the wave?

a. 74 units

b. 1 unit

c. 75 units

d. m149 units

Answers

Answer 1

Answer: I'm pretty sure the answer is B, cuz they'd crash together and become 1unit instead of two

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Complete this sentence: After a congruence transformation, the perimeter of a triangle would be _________________ it was before.A. cannot be determined
B. the same as
C. less than
D. greater than

Answers

Congruence transformation results to a perimeter of any polygon that is the same as the original dimensions and shape. In this case, this is similar to translation where all dimensions, angles are retained constant. The answer to this problem hence is B

Answer:the same as

Step-by-step explanation:

What are the common factors of 60 36 and 24?

Answers

1, 2, 3, 4, 6, 12 :)

Sandy walked around her neighborhood. In ½ hour, she walked 1 and 1/5 miles. What is Sandy’s rate in miles per hour?

Answers

Answer:

2 2/5 miles per hour

Step-by-step explanation:

We want to find the miles per hour

Changing the miles to an improper fraction

1 1/5 = ( 5*1+1)/5 = 6/5 miles

6/5 miles

Divide by the number of hours 1/2

6/5 ÷ 1/2

Copy dot flip

6/5 * 2/1

12/5

Change back to a mixed number

2 2/5 miles per hour

She walked 2 2/5 mph

Suppose that y varies inversely with x and that y=2 when x=8. What is an equation for the inverse variation?

Answers

x=2 and y=8 Im guessing?

Which expression is equivalent to (7x - 5 ) - ( 3x - 2)?

Answers

$(7x - 5 ) - ( 3x - 2)$

$7x-5-3x+2$

$(7x-3x)-5+2$ $\ Gather \ like \ terms$

$4x-5+2$

$4x-3$

Distribute the minus sign into the second parenthesis to get 7x-5-3x+2.
Then combine like terms to get 4x-3

What is the range of this data?
{3, 3, 0, 8, 7, 10, 2, 6, 12, 0}

Answers

You need to subtract the largest number and the smallest, so it would be 12-0, getting an answer of 12.

18, 13, 22, 17, 21, 24}

{17, 19, 22, 26, 17, 14}

{13, 17, 12, 21, 18, 20}

{18, 21, 16, 22, 24, 15}

Other Questions

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Jacob wants to make a graph to show the relationship between temperatures in Fahrenheit and degrees Celsius. He plots the following points:(11, −11.7), (15, −9.4), (25, −3.9), (35, 1.7), (45, 7.2) He uses the following steps to plot the graph: 1.Label origin as (0, 0). 2.On x-axis, label Temperature in Fahrenheit. 3. On y-axis, label Temperature in degrees Celsius. 4.The scale on x-axis starts from 0 and goes up to 700 at intervals of 20. 5.The scale on the y-axis starts from −12 and goes up to 12 at intervals of 2. Which of the following best describes the graph? It will not be spread out horizontally across the entire coordinate plane because in Step 4, Jacob selected an incorrect scale on the x-axis. It will not be spread out vertically across the entire coordinate plane because in Step 5, Jacob selected an incorrect scale on the y-axis. It will not be spread out horizontally across the entire coordinate plane because in Step 2, Jacob plotted Fahrenheit instead of Celsius on the x-axis. It will not be spread out vertically across the entire coordinate plane because in Step 3, Jacob plotted Celsius instead of Fahrenheit on the y-axis.

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If the mean of a symmetrical distribution is 150, which of these values could be the median of the distribution?A. 170 B. 150 C. 130 D. 190