MATHEMATICS HIGH SCHOOL

A clothing store stocks socks made of either cotton or wool, each in five colors, and each in seven sizes. How many items are needed for a complete assortment?a)14
b)35
c)70

Answers

Answer 1

Answer:

Option: c is the correct answer.

c) 70

Step-by-step explanation:

There are two choices in the quality of the item i.e. Cotton or wool.

There are 5 choice of color.

Also there are seven sizes.

Hence, in order to find the total number of items that are needed for a complete assortment we need to use to method of permutation.

i.e. the calculation is:

$2_P_1* 5_P_1* 7_P_1\n\n\n=(2!)/((2-1)!)* (5!)/((5-1)!)* (7!)/((7-1)!)\n\n\n=(2!)/(1!)* (5!)/(4!)* (7!)/(6!)\n\n\n=2* 5* 7\n\n\n=70$

Hence, the answer is:

c) 70

Answer 2

Answer: There are two types in five colours so 2x5=10. There are then seven sizes of each so 7x10=70. Your answer is C.70. I really need brainliest answers.

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There are 312 calories in six ounces of a certain ice cream. How many calories are there in three pounds?

Answers

1 lb = 16 oz
312/6 = 52 cal/oz
16(3) = 48 oz
52(48) = 2496 calories

Answer:

2496 calorise

Step-by-step explanation:

3 pounds = 3 x 16 = 48 ounces

312 cal = 6 ounces, so the unit rate is ( 312 ÷ 6 = 52) 52 cal per ounce

52 x 48 ounces = 2,496

Glad I could help

Change the fraction 1/5 to a percent

Answers

A fraction is a short way to write a division problem.

Whenever you see a fraction, it means

(the top number) divided by (the bottom number).

When you pick up your pencil or your calculator and actually do the
division, the answer to the division is the decimal form of the fraction.

To change that fraction 1/5 to a decimal, divide 1 by 5 .

Then, to change the decimal to a percent, move the
decimal point 2 places that way ==>.

What is the difference between rational exponents and integer exponents? Select one: a. There is no difference. b. Rational exponents are whole numbers and integer exponents are fractional exponents. c. Rational exponents are fractional exponents and integer exponents are whole numbers. d. Integer exponents are always positive while rational exponents are negative and positive.

Answers

The correct answer is Option (C) Rational exponents are fractional exponents and integer exponents are whole numbers

What is Rational Exponents?

Rational exponents aresimplya fraction representing an exponent that is rewritten as a radical expression.

What is Integer Exponents?

The exponents containing an integer is Known as Integer Exponents.

What is difference between Rational exponents and integer exponents?

Integer means Whole numbers whereas Rational means fraction with whole numbers

Hence Rational exponents and integerexponents both contains whole number but rational exponents contains fraction with whole numbers

Hence the correct option is (C) Rational exponents are fractional exponents and integer exponents are whole numbers

Learn more about Rational exponents here

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Answer:

The answer is A

Step-by-step explanation:

Solve for x. 3(3x - 1) + 2(3 - x) = 0

Answers

The equation given in the question is
3(3x - 1) + 2(3 - x) = 0
9x - 3 + 6 - 3x = 0
6x + 3 = 0
6x = - 3
x = - (3/6)
= - (1/2)
So the value of x as has been determined above is -1/2. I hope the procedure is clear enough for you to understand.You canalways use this method for solving problems that are similar in type withoutrequiring any help from outside.

A car is traveling at a speed of 72 miles per hour. what is the cars speed in feet per second

Answers

Answer:

72.00 =105.6

Step-by-step explanation:

i searched it up

There are 10 marbles in a bag, and the marbles are either red or blue. Eric will randomly choose two marbles from the bag, without replacing the first one. If the probability of both marbles' being red is 2
15, how many RED marbles are in the bag?

Answers

Let the number of red marbles be r. Now we can write the equation:
$(r)/(10)*(r-1)/(9)=(2)/(15)$
Rearranging the above equation and simplifying gives the quadratic:
$r^(2)-r-12=0$
which factorizes to:
(r - 4)(r + 3) = 0
Therefore r = 4. there are 4 RED marbles in the bag.

Answer:

Step-by-step explanation:

BECAUSE.

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