MATHEMATICS HIGH SCHOOL

Each of the 20 members of a club needs to purchase a t-shirt and a flag. T-shirts cost $10 each. Flags cost $2.50 each. Before tax, what is the cost for all the t-shirts and flags?

Answers

Answer 1
Answer:

Answer: $250.00

Step-by-step explanation:

1 Member needs one t-shirt and on flag.

$10.00+$2.50=$12.50 per member.

$12.50x20 members=$250.00

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If all angles are 108 degrees how many sides is there for a regular polygon

Answers

Sum of interior angles = 180(n-2)
Where n= the number of sides in the polygon

A polygon is called a regular polygon when all of its sides are the same length and all of its angles are the same measure.A regular polygon is both equilateral and equiangular. To find the sum of its interior angles, substitute n = 5 into the formula 180(n - 2) and get 180(5 - 2) = 180(3) = 540°

Since the pentagon is a regular pentagon, the measure of each interior angle will be the same.
  To find the size of each angle, divide the sum, 540º, by the number of angles in the pentagon.
(which is the same as the number of sides).
540°  5 = 108°

There are 108° in each interior angle of a regular pentagon. N=8

7+ (-5)+(-2)=0
7+ (5)+(2)=0
7+(-4)+(-3)=0
7+(-6)+(-1)=0

Answers

Answer:

1. true

2. false

3. true

4. true

There are 3 feet in each yard. Complete the table to show the number of feet in 1, 2, 3, and 4 yards.

Answers

Answer:

1 yard = 3 feet

2 yard = 6 feet

3 yard = 9 feet

4 yard = 12 feet

Answer:

1 yard-3 feet

2 yards-6 feet

3 yards-9 feet

4 yards-12 feet

Step-by-step explanation:

In how many ways can 50 cards be chosen from a standard deck of 52 cards using permutations

Answers

In 26*51! ways we can pick 50 cards from a deck of 52 cards using permutation.

What is Permutation?

Permutation is mathematical technique to get possibiltiy in arrangement with replacement.

We can choose or pick r objects from n objects using permutation in ^nP_rways.

^nP_r=(n!)/((n-r)!)

n! = n*(m-1)*......*3*2*1

We can write n! = n(n-1)!

Total number of matters or cards = 52

We have to pick 50 cards using permutation or replacement.

The required number of ways =^(52)P_(50)=(52!)/((52-50)!)=(52*51!)/(2!)=26*51!

Hence we can choose 50 cards from deck of 52 cards in 6*51! ways.

Learn more about Permutation here -

brainly.com/question/1216161

#SPJ2
Permutation of 50 is 50! or 50*49*48*47*46.... and so on. I doubt they actually want you to find out what 50*49*48... is, so I'd just put 50!

Does anyone know how to do this ?

Answers

Answer: D) 32

Step-by-step explanation:

The area of a parallelogram equals its base times its height. Substitute the base and area into this formula to solve for the height:

A=bh

40=(5)(h)

h=8

If ABCD is a parallelogram, opposite sides are parallel, so AB is parallel to DC. If AB is parallel to DC, EB is parallel to DC. Since EB is parallel to DC, quadrilateral EBCD has at least one pair of parallel sides, making it a trapezoid. The area of a trapezoid is equal to (h(b_(1)+b_(2)) )/(2) where h is the height, b_(1) is one base, and b_(2) is the other base. Plug the necessary values into the formula:

A=(h(b_(1)+b_(2)) )/(2)

b_(1) =AB-AE\nDC=AB\nb_(1) =DC-AE\nb_(1) =5-2\nb_(1) =3

b_(2) =5

h=8

A=(8(3+5))/(2)

A=32

The answer is D) 32.

Which of the following is equivalent to (cd)5?

c5d
cd5
c5d5
5cd

Answers

If you would like to find the equivalent expression to (c*d)^5, you can do this using the following steps:

(c*d)^5 = c^5*d^5 = c^5d^5

The correct result would be c^5d^5.

The correct result would be c^5d^5.

the third option C, just took the test.
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