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quester [9]
3 years ago
15

Sonya plays a game where she moves forward or backward on a game board. Positive numbers represent forward moves. Negative numbe

rs represent backwards moves. Which statement is the most likely explanation of what 4(-3) means in this context?
Mathematics
1 answer:
umka21 [38]3 years ago
3 0

Answer:

This means sonya moves 3 units backward 4 times

Step-by-step explanation:

4(-3) ;

4 represents the number of times a (-3) movement is executed.

-3 means a backward movement due to the presence of negative sign.

Hence, we can conclude that Sonya moves 3 units backward 4 times or can infer a direct multiplication of 4(-3) = - 12 ;

A backward movement of - 12 units.

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Express 28^1/2 in simplest radical form.
Reptile [31]

Answer:

Step-by-step explanation:

28^1/2=√(28)=√(4×7)=2√7

3 0
3 years ago
What is the radius of a hemisphere with a volume of 757 cm", to the nearest tenth of
Nataliya [291]

Answer:

r = 7.1 cm

Step-by-step explanation:

Given the following data;

Volume of hemisphere = 757 cm³

To find the radius of the hemisphere;

Mathematically, the volume of a hemisphere is given by the formula;

Volume of hemisphere = ⅔πr³

Where, r is the radius of the hemisphere.

π = 22/7

Substituting into the formula, we have;

757 = ⅔πr³

Cross-multiplying, we have;

757 * 3 = 2πr³

2271 = 2*22/7*r³

2271 = 44/7*r³

Cross-multiplying, we have;

2271 * 7 = 44r³

15897 = 44r³

r³ = 15897/44

r³ = 361.30

Taking the cube root of both sides, we have;

r = 7.1223

To the nearest tenth of a centimeter;

r = 7.1 cm

7 0
3 years ago
The Lincoln Middle School Band is planning a bus trip to a band competition. There are 136 members in the band, and each bus wil
konstantin123 [22]
5 buses.
32 + 32 + 32 +32 = 128. 4 buses will hold 32 people.

136-128 = 8. 1 bus will hold 8 peope
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Which of the following is a statistical question?
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Answer:

D. How old was each U.S. President when he was elected?

Step-by-step explanation:

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Select the equation of the line parallel to the equation y = -2x - 7  that passes through the point (3, 1).
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Parellel would mean that it's the same slope, so it's one of the first three. Checking each of them individually, we see that the first one, when you plug in 3, results in 1, getting (3,1)!
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