MATHEMATICS HIGH SCHOOL

you and your mom enter a drawing with 3 different prizes. a total of 10 people entered the drawing, and prizes are awarded randomly. there are 720 ways to award the prizes
you and your mom enter a drawing with 3 different - 1

Answers

Answer 1
Answer:

Answer:

The correct option is A.

Step-by-step explanation:

Number of people who entered the drawing = 10

Number of prizes = 3

Number of ways to award the prize = 720 ways

The total number of ways that 3 prizes can be awarded to the 10 people can be determined as:

10*9*8 = 720

The total number of ways in which I win the first prize and my mom wins the second prize would be 1*1*8 = 8

Thus the probability that i win the first prize and my mom wins the second prize would be 8/720 ....

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Which information is needed to show that a parallelogram is a rectangle?

Answers

If you know for a fact that it's a parallelogram, then you only
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Which statement defines the term markup?the extra amount added to the selling price to arrive at the cost price
the extra amount added to the cost price to arrive at the selling price
the extra amount added to the marginal cost to arrive at the selling price

Answers

In retail, a markup is a ratio. It is the extra amount added to the cost price to arrive at the selling price. Markup is generally expressed as a percentage, while the cost is a whole number.

Answer: Second option is correct.

Step-by-step explanation:

Markup is the extra amount added to the cost price to arrive at the selling price.

As in retail market , cost price is always marked up by the retailers to make some profit and cover overhead expenses.

So, Markup is that amount that is added to the cost price.

Discount is also given to that amount only, to increase his goodwill.

Hence, Second option is correct.

Kyle rides his bicycle 15 mph for 2 hours how far does he travel

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━━━━━━━☆☆━━━━━━━

▹ Answer

30 miles

▹ Step-by-Step Explanation

Multiply mph by hours:

15 mph * 2 hrs = 30 miles

Hope this helps!

CloutAnswers ❁

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B²+b=2 how to complete the square

Answers

b^2 + b = 2
b^2 + b + 1/4 = 2 + 1/4
(b + 1/2)^2 = 9/4
b + 1/2 = (+-) sqrt 9/4
b + 1/2 = (+-) 3/2

b = -1/2 + 3/2 = 2/2 = 1
b = -1/2 - 3/2 = -4/2 = -2

What is the new credit card balance if the unpaid balnce is $1,000 at 1.3% monthly interest?

Answers

1.3% is 0.013 in decimal form
1000×(1+0.013)= $1013

Which expression is a difference of squares with a factor of 5x − 8?25x2 − 16
25x2 + 16
25x2 − 64
25x2 + 64

Answers

Answer:

option  (3) is correct.

25x^2-64

Step-by-step explanation:

 Given :  factor 5x − 8

We have to choose an expression out of given option that is a difference of squares with a factor of 5x − 8

Using  algebraic identity a^2-b^2=(a+b)(a-b)

a difference of squares is written mathematically as a^2-b^2

Since one factor is 5x − 8

using identity stated above other factor has be 5x+8

Thus (5x+8)(5x-8)

On simplify , we get

(5x+8)(5x-8)=(5x)^2-8^2=25x^2-64

Thus, option  (3) is correct.
a2 - b2 = (a-b)(a+b)

(5x-8)(5x+8) = 25x2 - 64

answer: 25x2 - 64
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