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3 years ago

6

The question is "the numbers 4 and 9 both have the exactly three factors, Find two numbers more that have the exactly three fact

ors"

1 answer:

RSB [31]3 years ago

6 0

Answer: 25 and 49

Explanation:

25: 1,5,25
49: 1,7,49

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How does the definition of PERCENT help you write fraction and decimals equivalents?

nasty-shy [4]

By definition we have to:
The percentage is a mathematical symbol, which represents a given quantity as a fraction in 100 equal parts. It is also commonly called percent where percent means "out of every hundred units."
We have then that using the definition we can apply the following formula to obtain a fraction or a decimal:
$\frac{A}{100}$
Where,
A: amount in percentage
Answer:
you can write fraction and decimals equivalents using the expression:
$\frac{A}{100}$

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3 years ago

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Teresa buys a $2700 refrigerator using an installment plan that requires 20% down. How much is the down payment? A. $27 B. $270

jeka57 [31]

Answer:

C $540

Step-by-step explanation:

2700 / 10 = 270 = 10%

270 x 2 = 540 = 20%

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3 years ago

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Kelvin gave 2/7 of his money to James. As a result, Kelvin had $140 and James had $100 the end. How much did James have at first

kaheart [24]

Answer = $44

1. Divide $140 by 5/7. It will give us how much Kelvin had originally, which is $196
(I got 5/7 by doing 7/7 - 2/7)

2. Find 2/7 of 196 by multiplying them. This is 56....meaning that Kelvin gave James $56

3. Subtract 100 - 56 to find how much James had before this, which is $44.

6 0

3 years ago

A trapezoid is 14 centimeters high and has bases that measure 13.5 centimeters and 27.5 centimeters. What is the area of the tra

Alexxandr [17]

Hello!

We can find the area of the trapezoid using the formula for area of a trapezoid:

FORMULA:

A = [(b + b) * h / 2]

SUBSTITUTE:

A = [(13.5 + 27.5) * 14 / 2]

SOLVE:

A = 41 * 14 / 2

A = 574 / 2

A = 287 cm²

So, the area of the trapezoid is 287 cm².

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4 years ago

1. Marciano draws five cards from a 52-card deck. Calculate the probability of each given event. a. Two cards are sevens, given

OverLord2011 [107]

Step-by-step explanation:

In a standard deck of 52 cards, face cards are cards with faces on them. There are 12 of them, 3 in each suit. They are also called “court cards,” because they show Kings, Queens and Jacks.” An Ace cannot be considered a “face card,” for the simple reason that it has no face on it.

a) Two cards are sevens, given there are no face cards

= ( 52- 12 face cards = 40)

= ( 4÷40×3÷40 = 0.1×0.075 = 0.0075 ( or) 0.75%

$= ( 4÷40×3÷40 = 0.1×0.075 = 0.0075 ( or) 0.75%$

b. There is exactly one face card, given three of the cards are red

Total cards= (52-11 =41 cards)

assumed that the exactly one face card is not a red card

Red cards = (26-6 red face cards = 20 cards )

Picking Three red cards

=(20÷41 ×19÷40×18÷39 =0.487 ×0.475 ×0.461 =0.107 or 11%

$=(20÷41 ×19÷40×18÷39 =0.487 ×0.475 ×0.461 =0.107 or 11%$

c. Three cards are Aces, given one of the Aces was removed from the deck

Total cards = (52-1 ace card = 51 cards)

Picking three cards are ace

= (3÷51 ×2÷50×1÷49 = 0.059×0.04×0.02 = 0.0000472

$= (3÷51 ×2÷50×1÷49 = 0.059×0.04×0.02 = 0.0000472$

5 0

3 years ago