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3 years ago

WILL UPVOTE PLEASE HELP

Mathematics

2 answers:

Marina CMI [18]3 years ago

7 0

What you need to do is subtraction then adding

Lynna [10]3 years ago

7 0

I got $16.22 including tax

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there are 239 people in the first six rows of the movie theater if the same number of people are in the next six rows about how

aksik [14]

Well you first would divide 239 by 6 which is 39.8333333 then you would divide 239 by 6 again and add those two together which would by 79.6666666 and then you will round you answer (or don't if your teacher told you other wise) to the nearest whole number which would give you your answer 80 people in the first twelve rows.

3 0

3 years ago

In the following you may leave your answer as a binomial or multinomial coefficient. In each case give a brief justification for

Simora [160]

Answer: a) 792 ways b) 13⁷.

Step-by-step explanation:

Since we have given that

Number of apples to be given = 5

Number of bananas to be given = 7

Number of people = 12

So, Number of ways that each person gets a pieces of fruit is given by

$\dfrac{12!}{7!\times 5!}\\\\=792\ ways$

b) If the number of people = 13

Number of apples to be given = 7

So, Number of ways would be

$13\times 13\times 13\times 13\times 13\times 13\times 13\\\\=13^7$

Hence, a) 792 ways b) 13⁷.

3 0

3 years ago

Andrea is given triangle ABC and told that a ^ 2 + b ^ 2 = c ^ 2 draws right triangle RTS with legs measuring a and b and hypote

kondaur [170]

Complete question is;

Andrea is given ABC and told that a² + b² = c². She draws right triangle RTS with legs measuring a and b and hypotenuse measuring 2. Which best describes what Andrea should

do in order to prove that ABC is a right triangle?

Answer:

Andrea should show that c = 2, so: ∡ABC = ∡RTS and ∡C = ∡S. Hence, ∡C is a right angled triangle, hence ΔABC is a right triangle

Step-by-step explanation:

In this question, we are told that the given sides of the triangle are a, b and c. Now, Andrea is able to draw the two sides of the right triangle with sides = a and b and the third, hypotenuse equal to 2. Since the length of the hypotenuse = 2, then we have;

2² = a² + b²

However, we are told that c² = a² + b²

Therefore, c = 2

Hence, Andrea should show that c = 2 so ΔABC = ΔRTS and ∡C = ∡S hence ∡C is a right angled triangle since it is the angle opposite to the hypotenuse c and therefore, ΔABC is a right triangle.

8 0

3 years ago

El Generico public high school got a new flagpole. But they completely forgot to buy a cord and NO ONE knows how tall the flagpo

lord [1]

According to the rule of similar polygons the ratio of corresponding sides of two polygons will be the same. So in this case the ratio of original length and shadow of a stick and ratio of length of flagpole and its shadow will be the same.

Length of Stick = 5 feet
Shadow of Stick = 8 feet
Shadow of flagpole = 32 feet
Length of flagpole = x = ?

Using rule of similar polygon we can write,

$\frac{5}{8}= \frac{x}{32} \\ \\ \frac{5}{8}*32=x \\ \\ x=20$

Therefore, the length of flagpole will be 20 feet.

7 0

4 years ago

Jeb’s club collected 182 toys last year and 412 toys this year.

Flauer [41]

About 600

182 + 412

1 + 4
8 + 1
2 + 2
182 + 412 = About 600

4 0

4 years ago

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