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2 years ago

Sound travels at a rate of 344 meters in 1 second. How many meters does it travel in 1 minute?

Mathematics

2 answers:

erma4kov [3.2K]2 years ago

8 0

Answer:

2064 meters

Step-by-step explanation:

344*6=2064

Tju [1.3M]2 years ago

7 0

Answer:

20640 meters per minute

Step-by-step explanation:

So, how does 1 go to 60? x 60. Do that to the other side and what do you get? 20640

344 meters 1 second

x 60 x 60

20640 meters 60 seconds (1 minute)

Meters Seconds

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A large school district is reevaluating its teachers' salaries. They have decided to use regression analysis to predict mean tea

inna [77]

Answer:

a) Y = 35,422.12

b) Y = 29,367.67

c) 1,210.89

Step-by-step explanation:

The salary of teachers is forecasted by the following equation,

Y = 23,313.22 + 1,210.89X

Where Y is the forecasted salary and X is the years of experience.

(a) If a teacher has 10 years of experience, what is the forecasted salary?

Here we have X = 10

Y = 23,313.22 + 1,210.89(10)

Y = 23,313.22 + 12,108.9

Y = 35,422.12

(b) If a teacher has 5 years of experience, what is the forecasted salary?

Here we have X = 5

Y = 23,313.22 + 1,210.89(5)

Y = 23,313.22 + 6,054.45

Y = 29,367.67

(c) Based on this equation, for every additional year of service, a teacher could expect his or her salary to increase by how much?

For every additional year of service, a teacher could expect an increase of 1,210.89.

7 0

2 years ago

PLEASE HELP ME WITH THIS QUESTION

shusha [124]

Answer:

66°

Step-by-step explanation:

∠A = ½·132° = 66°

7 0

2 years ago

2x+55=105<br>pls hurry

labwork [276]

Answer:

x = 25.

Step-by-step explanation:

Move all of the terms that don't contain x to the right side and solve.

Hope this helps,

Davinia.

4 0

2 years ago

Read 2 more answers

ANSWER IF YOU LOVE YOUR LORD!!!! Which graph represents the solution to: 2k+8<5k-1?

Leviafan [203]

Answer:

Third graph

Step-by-step explanation:

First, find the solution to the equation of inequality given.

2k + 8 < 5k - 1

Subtract 5k from both sides

2k + 8 - 5k < 5k - 1 - 5k

-3k + 8 < -1

Subtract 8 from both sides

-3k + 8 - 8 < -1 - 8

-3k < -9

Divide both sides by -3. (Note: < will change to > when dividing both sides with negative number)

$\frac{-3k}{-3}$ > $\frac{-9}{-3}$

k > 3

The graph that will represent this solution will show that all values of k are greater than 3. 3 is not included as a solution. The "o" on top of the 3 on the number line won't be shaded to indicate that 3 is not included. And also, the arrow will point from 3 towards our right.

Therefore, the 3rd graph is the answer.

3 0

3 years ago

BRAINLIST AND 50 POINST ANSWER 5-8

Nastasia [14]

Answer:

1. 64

2. 140

hope this helps :)

4 0

2 years ago