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Lostsunrise [7]
3 years ago
8

Kyle has been keeping his eye on a sound system that costs x dollars. The system goes on sale for 15% off the regular price. Whi

ch expression can Kyle use to find the sale price? A) .85x B) 1 + .15(x) C) x − .15 D) 1 − .15(x)
Mathematics
2 answers:
MakcuM [25]3 years ago
6 0
To find the sales price
X-0.15x=0.85x
X is the regular price
For example if the regular price is 1000 the sales price
1000-0.15×1000=850

Answer a
malfutka [58]3 years ago
5 0
He can use A, 0.85(x) to find the sale price.
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A basketball coach keeps track of the points scored per game for all of her players. She gives a trophy to to the player with th
Andrei [34K]

Answer:

She wants to take unusually of the good and bad games into account

Step-by-step explanation:

Given that a basketball coach keeps track of the points scored per game for all of her players.  A trophy is given to the player with the highest mean score at the end of the season.

Mean vs median:

Mean is the arithmetic average of all the entries while median is the middle entry after arranging in ascending order.

Median is not affected by extreme items but mean is very much affected by unusually high or low scores.

Here since the trophy is decided to be given to the highest mean score it is obvious that

She wants to take unusually of the good and bad games into account

Because of this only, mean is taken instead of median.

3 0
3 years ago
Read 2 more answers
Natalie drew the angle below. What is the most reasonable estimate for the measure of the angel Natalie drew?
solong [7]
90 degrees, it looks like a right angle
Hope it helps :))
8 0
3 years ago
Read 2 more answers
Find the volume of a rectanglular prism if the length is x and the width is x^2 and the height is 5x^2 +4x+1. Use the formula v=
My name is Ann [436]

Answer:

The volume = 5x^{5}+4x^{4}+x^{3}

Step-by-step explanation:

* The rule of the volume of the rectangular prism:

- the volume of any prism = base area × height

∵ The base of the rectangular prism is rectangle

∵ Area any rectangle = Length × Width = l × w

∴ The volume of the rectangular prism = l × w × h

* In the problem:

∵ l = x , w = x² , h = 5x² + 4x + 1

∴ The volume = (x)(x²)(5x² + 4x + 1)

* We will simplify it

- Multiply x by x² and then multiply the answer by the bracket

∵ x × x² = x³

∴ x³(5x² + 4x + 1)

∵ x³ × 5x² = 5x^5

∵ x³ × 4x = 4x^4

∵ x³ × 1 = x³

∴ The volume = 5x^{5}+4x^{4}+x^{3}

5 0
3 years ago
Use the X method to find the solutions of<br> 62 + 2x - 20 = 0.
inysia [295]

Answer:

x = -21

Step-by-step explanation:

62 + 2x - 20 = 0.

Combine like terms

42 +2x =0

Subtract 42 from each side

42-42 +2x = 0-42

2x = -42

Divide each side by 2

2x/2 = -42/2

x = -21

3 0
2 years ago
Read 2 more answers
Please help me i dont understand
irina [24]

Answer:

3x + 4

Step-by-step explanation:

We have a product of 3 and x. That's rewritten as 3x. We then have 4 more, so we add 4. That gives us the final answer of:  3x+4. (It is 1-4x for the third one). ( The fourth one) The sum of seven and the quotient of a number x and eight

Here, x be the number.

" quotient of a number x and eight" translated to x/8

Sum means '+'

"sum of seven and the quotient of a number x and eight" translated to 7+ x/8 +56+x/8

                               

then; the given statement is 56+x/8

⇒

Therefore, the given statement is 56+x/8

6 0
3 years ago
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