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svet-max [94.6K]
3 years ago
8

58:19

Mathematics
1 answer:
MakcuM [25]3 years ago
7 0

Answer:

"Acceleration" means any change in the speed or direction of motion ... speeding up, slowing down, or turning.  So . . .

-- The distance traveled in a certain time may increase or decrease.

-- The displacement covered in a certain time may increase or decrease.

-- The speed of the object may increase or decrease.

-- The velocity of the object (speed/direction) will change.

Step-by-step explanation:

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Chris made $378 for 18 hours of work.
andre [41]

Answer:

$147

Step-by-step explanation:

378 / 18  = 21

1 hour of work = $21

7 hours of work = $21 * 7 = $147

5 0
3 years ago
Emma is playing miniature golf. Her ball is 2 feet to the left of the right-hand wall. The hole is 4 feet to the left of the wal
NISA [10]

Answer:

<u></u>

  • <u>She should aim 6 feet down the wall</u>

Explanation:

The diagram attached sketches the situtation.

Since the angle with which the ball hits the wall is the same with which it bounces, angle β is the same for the two shown triangles.

Then, since both are right triangles, then all the angles are congruent and the triangles are similar. Hence, you can equal the ratios of the sides, to make an equation:

  • x/4 = y/2 ⇒ x = 2y

You have other equation:

  • x+ y = 18

Substitute

  • 2y + y = 18
  • 3y = 18
  • y = 18/3
  • y = 6 ← this is the distance down the wall where the ball should hit

  • x = 2(6) = 12

Then, she should aim 6 feet down the wall.

8 0
3 years ago
At the city Museum child admission is $6.40 in adult admission is $9.70 on Sunday 149 tickets were sold for a total sales of $11
Law Incorporation [45]

Answer:

Adult=58

Step-by-step explanation:

c=child, a=adult

6.4c+9.7a=1145 equation 1

c+a=149 equation 2

a=149-c modified equation 2 to isolate a

6.4c+9.7(149-c)=1145 substitute value of a from equation 1 into equation 2

6.4c+1445.3-9.7c=1145

-3.3c=-300.3

c=91

solve for a

c+a=149

91+a=149

a=58

Check answer:

6.4c+9.7a=1145

6.4(91)+9.7(58)=1145

582.40+562.60=1145

1145=1145

8 0
3 years ago
2x + 3x -4y + 77y - 4y - 1y<br>Simplify this equation please!​
Len [333]

Answer:

5x+68y

Step-by-step explanation:

2x+3x-4y+77y-4y-y

combine x's and y's

5x+68y

that is your answer

5 0
3 years ago
Read 2 more answers
What is the domain of the function<br> y=^3 sqrt x-1
Anettt [7]

Answer:

The domain is all real numbers

3 0
3 years ago
Read 2 more answers
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