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Alex Ar [27]
2 years ago
11

PLEASE HELP

Mathematics
1 answer:
Sati [7]2 years ago
3 0

Answer: A Yes, because the balls are randomly selected, the distances of the new ball can be compared to the distances of the original ball.

B Yes, because the original ball type is included in this experiment, the distances the different balls travel can be accurately compared.

Step-by-step explanation:

C No, because a placebo ball was not used, a comparison cannot be made to determine if the new ball travels significantly farther.

D No, because all of the new type of balls are not hit first, the distances they travel cannot be compared to the distances of the original ball.

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PLS HELppppppppppppppp
Montano1993 [528]

Answer: B

Step-by-step explanation:

Oki so I know this becaue I study to much and because if there was an answer saying this : y=6x+3 it would be wrong because it is adding to the constant

So y=6x is proportinal because it is allways constant. I forgot this was an example sorry.

6 0
3 years ago
Read 2 more answers
The solution for 7(5x+9)=12-(x+9) and simplified​
Charra [1.4K]

Answer:

x= -5/3

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

7(5x+9)=12−(x+9)

7(5x+9)=12+−1(x+9)(Distribute the Negative Sign)

7(5x+9)=12+−1x+(−1)(9)

7(5x+9)=12+−x+−9

(7)(5x)+(7)(9)=12+−x+−9(Distribute)

35x+63=12+−x+−9

35x+63=(−x)+(12+−9)(Combine Like Terms)

35x+63=−x+3

35x+63=−x+3

Step 2: Add x to both sides.

35x+63+x=−x+3+x

36x+63=3

Step 3: Subtract 63 from both sides.

36x+63−63=3−63

36x=−60

Step 4: Divide both sides by 36.

36x/36 and -60/36

x= -5/3

4 0
4 years ago
PLEASE HELP ME!! I CAN'T FIGURE OUT THIS QUESTION ON PRODIGY REEEEEEEEE I'LL GIVE BRAINLIEST
ira [324]

Answer:

She can buy 8 bags of soil

Step-by-step explanation:

2.7s + 14.9 < 39.2

Subtract 14.9 from both sides

2.7s  < 39.2 - 14.9

2.7s < 24.3

Divide both sides by 2.7

s < 24.3 /2.7

s < 8.89

8 0
3 years ago
Read 2 more answers
Give the slope of y + 2 = 3(x - 7) and a point on the line.
chubhunter [2.5K]

Answer:

The slope --> m = 3

A point from the line --> ( 0 , 23 )

Step-by-step explanation:

To find the slope you put the equation y+2=3(x-7) into Slope-Intercept Form (y=mx+b)

y+2=3(x-7) --> y+2=3x-21 --> y=3x-23

m is the slope and m=3

b is the y-intercept and b is 23

Hope this helps .-.

5 0
3 years ago
20 points and will mark brainliest
mixer [17]

Answer:

a \leqslant x \leqslant e

Step-by-step explanation:

The domain is simply the farthest left ppint to the farthest right point on the graph.

4 0
4 years ago
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