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3 years ago

Yall help like i said imma keep asking these sorry again

Mathematics

2 answers:

Arisa [49]3 years ago

4 0

Answer:

less then 1

smaller

Step-by-step explanation:

liraira [26]3 years ago

3 0

Answer:

add me on discord Hamza061977#7819

Step-by-step explanation:

i think the first gap is smaller

then its larger

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A class survey found that 29 students watched television on Monday, 24 on Tuesday, and 25 on Wednesday. Of those who watched TV

gizmo_the_mogwai [7]

Answer:

There were 49 students in the class

Step-by-step explanation:

To solve this problem, we must build the Venn's Diagram of this set.

I am going to say that:

-The set A represents the students that watched TV on Monday

-The set B represents the student that watched TV on Tuesday.

-The set C represents the students that watched TV on Wednesday.

We have that:

$A = a + (A \cap B) + (A \cap C) + (A \cap B \cap C)$

In which a is the number of students that only watched TV on Monday, $A \cap B$ is the number of adults that watched TV both on Monday and Tuesday, $A \cap C$ is the number of students that watched TV both on Monday and Wednesday, and $A \cap B \cap C$ is the number of students that watched TV on every day.

By the same logic, we have:

$B = b + (B \cap C) + (A \cap B) + (A \cap B \cap C)$

$C = c + (A \cap C) + (B \cap C) + (A \cap B \cap C)$

This diagram has the following subsets:

$a,b,c,(A \cap B), (A \cap C), (B \cap C), (A \cap B \cap C)$

The sums of all of this values is the number of student that were there in the class. This means that we want to find the value of T:

$a + b + c + (A \cap B) + (A \cap C) + (B \cap C) + (A \cap B \cap C) = T$

We start finding the values from the intersection of three sets.

Solution:

12 students watched TV on all three days:

$A \cap B \cap C = 12$

14 students watched TV on both Monday and Tuesday

$A \cap B + A \cap B \cap C = 14$

$A \cap B = 14 - 12$

$A \cap B = 2$

Of those who watched TV on only one of these days, 13 choose Monday, 9 chose Tuesday, and 10 chose Wednesday.

$a = 13, b = 9, c = 10$

29 students watched television on Monday:

$A = 29$

$A = a + (A \cap B) + (A \cap C) + (A \cap B \cap C)$

$29 = 13 + 2 + (A \cap C) + 12$

$A \cap C = 29 - 27$

$A \cap C = 2$

24 on Tuesday

$B = 24$

$B = b + (B \cap C) + (A \cap B) + (A \cap B \cap C)$

$24 = 9 + (B \cap C) + 2 + 12$

$B \cap C = 24 - 23$

$B \cap C = 1$

Now we have every value needed to find T:

$T = a + b + c + (A \cap B) + (A \cap C) + (B \cap C) + (A \cap B \cap C)$

$T = 13 + 9 + 10 + 2 + 2 + 1 + 12$

$T = 49$

There were 49 students in the class

7 0

4 years ago

What is the rate of return on a $5000 bond purchased at $4750 with a 12% coupon?

Mumz [18]

You earn 12% on the $5000 par value (face value) of the bond. So 0.12*5000 = 600 is the annual coupon payment. You earn $600 each year

This income is divided by the amount you paid to get

600/4750 = 0.1263 which converts to 12.63%

So the answer is choice 2) 12.63%

5 0

3 years ago

I need help with this, I’ll give brainliest!

Ivanshal [37]

Answer:

Step-by-step explanation:

Only graph A satisfies the domains provided

8 0

3 years ago

These triangles are similar.

uranmaximum [27]

Answer:

Step-by-step explanation:

First verify that they are similar by comparing the ratio of known sides

7/5 = 1.4

(7/2)/ (5/2) = 1.4

As these two are identical, we have similar triangles and the third sides will have the same ratio

6/h = 7/5

h = 6(5/7) = 30/7 = 4 2/7

4 0

3 years ago

Find the area of this parallelogram.<br> 13 cm<br> 15cm<br> 20cm

Alekssandra [29.7K]

We’re is it? I see no parallelogram

3 0

3 years ago

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