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2 years ago

Question 8

Mathematics

1 answer:

diamong [38]2 years ago

6 0

Answer:

Total apples=10

no.of honeycrisp Apple=2

1). Probability-2/10. =1/5

now total apples left=9

tolyal honey crisp apples left=1

2) probability=1/9

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A university offers 3 calculus classes: Math 2A, 2B, and 2C. A set of students have each taken at least one of the three classes

lyudmila [28]

Answer:

157

Step-by-step explanation:

We are given that

Number of students in maths 2A=n(2A)=51

Number of students in math 2B=n(2B)=80

Number of students in math 2C=n(2C)=70

Number of students in maths 2A and 2B= $n(A\cap B)=15$

Number of students in maths 2B and 2C= $n(B\cap C)=13$

Number of students in maths 2A and 2C= $n(A\cap C)=20$

Number of students in maths 2A ,2B and 2C=4

We have to find the number of students in a set.

Formula: $n(A\cup B\cup C)=n(A)+n(B)+n(C)-n(A\cap B)-n(B\cap C)-n(A\cap C)+n(A\cap B\cap C)$

Substitute the values in the given formula

$n(2A\cup 2B\cup 2C)=51+80+70-15-13-20+4=157$

Hence, total number of students in a set=157

4 0

2 years ago

If bricks weight 4.5 pounds each how many pounds will 200 bricks weight

Aliun [14]

200 bricks weigh 900 pounds.

Step-by-step explanation:

Given,

Weight of one brick = 4.5 pounds

Total bricks = 200

Total weight = Total bricks * weight of one brick

$Total\ weight=200*4.5\\Total\ weight=900\ pounds$

200 bricks weigh 900 pounds.

Keywords: Multiplication.

Learn more about multiplication at:

#LearnwithBrainly

4 0

3 years ago

Line A: (2, 6) and (-9, 3)

lesantik [10]

Answer:

use an online graph to graph it and look at any points lines intersect

8 0

2 years ago

Find the area of AAOB<br> 9√3 un²<br> 3√3 un²<br> 4.5√3 un

butalik [34]

Answer:

Step-by-step explanation:

The area of the equilateral triangle is $\frac{\sqrt{3}}{4}(6)^{2}=\boxed{9\sqrt{3}}$

7 0

1 year ago

Drew is driving out of state to go to a theme park. The total distance he is driving is 500.34 miles. He has driven 0.45 of the

alexgriva [62]

The calculation is not reasonable, because 0.45 is less tha 1/2 ( 0.50) and what he has for an answer is half the distance ( 250.17 is 1/2 of 500.34).

To find actual mileage, multiply by 0.45:

500.34 x 0.45 = 225.153 miles.

Round the answer as needed.

5 0

3 years ago