MATHEMATICS HIGH SCHOOL

Sunaina had three pizzas. She shared the pizzas with her friends. Each of them atemany friends ate 3/7 of a pizza. How many friends ate the pizza

Answers

Answer 1
Answer:

9514 1404 393

Answer:

  7 friends

Step-by-step explanation:

3 pizzas will give 3/7 of a pizza to each of ...

  3/(3/7) = 3 · 7/3 = 7 . . . friends

7 friends ate the pizza.

_____

We assume that Sunaina and her 6 friends constitute 7 friends.
Answer 2
Answer:

Answer:

6 friends

Step-by-step explanation:

Take 1/7 multiply by 5/6

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A bag contains 6 oranges, 10 grapefruits, and 8 tangerines. A piece of fruit is chosen from the bag at random. What is the probability that a grapefruit is NOT chosen?

Answers

It would be 14/24 simplified = 7/12

Answer:

the answer is 7/12 Hopefully this helps!

Factor completely 20x^3+12x^2+5x+3

Answers

I did it with an online calculator and it said x^2(25x+12). Hope that helps.

The combined land area of the countries A and B is 157,973 square kilometers. Country A is larger by 773 square kilometers. Determine the land area of each country.

Answers

The combined land areas of country A & B are 157,973 sq km. COuntry A is larger by 773 sq kn. The land area of Country A is 79,373, the land area of Country B is 78,600. 
A + B = 157,973
A = B + 773

now its just a matter of subbing
(B + 773) + B = 157,973
2B + 773 = 157,973
2B = 157,973 - 773
2B = 157,200
B = 157,200/2
B = 78,600 <=== land area for country B

A = B + 773
A = 78,600 + 773
A = 79,373 <== land area for country A

Find the area and perimeter of an isosceles trapezoid with legs 25cm and bases 16 cm and 30 cm.

Answers

Hi there, A=1/2(b1+b2)=1/2(h)(30+16). What we have to do is find h, 30-16=14/2=7, 25²-7²=625-49=576, we know that 576=24. So, h=24, 1/2(24)(30+16)=12(46). So, the area is 552 cm². Now, it's time to find the perimeter. P=b+b+l+l=30+16+25+25=96 cm. Therefore, the area is 552 cm² and the perimeter is 96 cm.

0 × 95 yall help if you think ppl are not smart

Answers

Answer:0

Step-by-step explanation:

Triangle ABC is an isosceles right triangle. What is the measure of a base angle?

Answers

Answer:

The measure of base angle is 45°  

Step-by-step explanation:

Given that triangle ABC is an isosceles right triangle.

we have to find the measure of base angles.

As given triangle is right angled triangle therefore one angle which is not a base angle is of 90°  

Also the triangle ABC is isosceles therefore two sides of triangle are equal and angles opposite to the equal sides are equal.

Let these equal angles which are base angles is x°

By angle sum property of triangle,

the sum of all angles of triangle equals to 180°

∠A+∠B+∠C=180°

x^(\circ)+90^(\circ)+x^(\circ)=180^(\circ)

2x^(\circ)+90^(\circ)=180^(\circ)

2x^(\circ)=90^(\circ)

x^(\circ)=(90)/(2)=45^(\circ)

Hence, the measure of base angle is 45°
If Triangle ABC is an isosceles right angle, base angle would be equal to 45 degree. It is because, in an isosceles right triangle, two angle remains equal (45) and one is larger.(90)

In short, Your Answer would be 45

Hope his helps!
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