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nadezda [96]
3 years ago
9

You scored 12, 8, 15, and 21 points during your first four basketball games. Find your mean score per game

Mathematics
1 answer:
lapo4ka [179]3 years ago
5 0

Given:

You scored 12, 8, 15, and 21 points during your first four basketball games.

To find"

The mean score per game.

Solution:

We have,

Observations =12, 8, 15, and 21 points

Number of observations = 4

We know that,

\text{Mean}=\dfrac{\text{Sum of the observations}}{\text{Number of observations}}

The mean score per game is

\text{Mean}=\dfrac{12+8+15+21}{4}

\text{Mean}=\dfrac{56}{4}

\text{Mean}=14

Therefore, the mean score per game is 14 points.

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5 + 8(3 + x) =<br> =<br> Simplify the expression
alisha [4.7K]

Answer:

29 + 8x

Step-by-step explanation:

5 + 8(3 + x)       by PEDMAS parentheses first

= 5 + 3(8) + x(8)

= 5 + 24 + 8x

=  29 + 8x

3 0
3 years ago
Which products result in a difference of squares? Check all that apply. (5z + 3)(–5z – 3) (w – 2.5)(w + 2.5) (8g + 1)(8g + 1) (–
Helen [10]

Answer:

Option 2  (w-2.5)(w+2.5)=w^2-2.5^2\\ and option 4 (-4v-9)(-4v+9)=-(4v+9)(-)(4v-9)=4v^2-9^2

Explanation:

In option 1 (5z+3)(-5z-3)=-(5z+3)(5z+3)=-(5z+3)^2  which is not the difference of squares

In option 2 (w-2.5)(w+2.5)=w^2-2.5^2\\ using the formula

(a+b)(a-b)=a^2-b^2\\Here \\a=w,b=2.5

Clearly, the difference of squares

In option 3(8g+1)(8g+1)=(8g+1)^2 not the difference of squares

In option 4(-4v-9)(-4v+9)=-(4v+9)(-)(4v-9)=4v^2-9^2

Clearly the difference of squares

In option 5 (6y+7)(7y-6)=42y^2+13y-42 not the difference of squares

In option 6 (p-5)(p-5)=(p-5)^2 not the difference of squares

4 0
3 years ago
Read 2 more answers
refer back to the first problem on Tuesday,A scale of a map is 1 in:125ft,jon lives 250 feet away from max.how many inches separ
pishuonlain [190]

Answer:

2 inches

Step-by-step explanation:

The scale means 1 inches on map equal 125 feet in real life

<em>We know in real life Jon lives 250 ft away from Max. 250 is twice of 125, hence in map</em>, it should be 1*2=2 inches.

On the map, it is 2 inches from Jon's home to Max's home.

4 0
3 years ago
Simplify lol (5) 9+ lo (5) 21-lo (5) 7​
dexar [7]

Given:

Consider the given expression is

\log_59+\log_521-\log_57

To find:

The simplified form of the given expression.

Solution:

We have,

\log_59+\log_521-\log_57

It can be written as

=\log_5(9\times 21)-\log_57       [\because \log_ax+\log_ay=log_a(xy)]

=\log_5\dfrac{9\times 21}{7}       [\because \log_ax-\log_ay=log_a\dfrac{x}{y}]

=\log_5(9\times 3)

=\log_527

Therefore, the simplified form of the given expression is \log_527.

7 0
3 years ago
You are shown either nets or top and side view of three dimensional figures. Match the three dimensional figure to the correct v
vredina [299]

Answer:

1. rectangular prism

2. cylinder

3. cone

4. triangular pyramid

5. sphere

Step-by-step explanation:

4 0
3 years ago
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