Please tell me the answer

Answers

Answer 1

Answer: This is easy. You all need to do this:
100÷2 it equals 50.
You need to subtract one 50 from either Caroline/Mohamed(Take Caroline's for example)
Caroline = 50-16=34.
Then you add 16 to 50(Mohamed's)
50+16=66
Therefore, Caroline sold 34 tickets, however, Mohamed sold 66 tickets.
To prove: add 66+34
66+34=100

Answer 2

Answer: Mohamed sold 58, and Caroline sold 42.

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Collins Middle School has 280 sixth grade students. If the sixth grade is 35% of the total school, how many students are in the middle school?A. 800B. 98C. 245D. 315

Tickets to the zoo cost $14 for adults and $10 for children. A group of 12 people went to the zoo, and the tickets cost $140. The system of equations models this situation, where x is the number of adults and y is the number of children.x+y=12
14x+10y=140
How many adults and how many children were in the group?

A.
5 adults and 7 children

B.
6 adults and 6 children

C.
7 adults and 5 children

D.
8 adults and 4 children

Answers

x is the number of adults and y is the number of children.
x + y = 12
14x + 10y = 140
lets multiply the first equation by -10 and then add it to the second equation:
-10x - 10y = -120
14x + 10y = 140
-----------------------
4x + 0 = 20
x = 20/4
x = 5
then substitute in the original equation:
x + y = 12
5 + y = 12
y = 12 - 5
y = 7
therefore there were 5 adults and 7 children

Write these fractions in ascending order.

5/8 3/4 1/2 9/16.

Answers

$(5)/(8)=(5 * 2)/(8 * 2)=(10)/(16) \n \n(3)/(4)=(3 * 4)/(4 * 4)=(12)/(16) \n \n(1)/(2)=(1 * 8)/(2 * 8)=(8)/(16) \n \n(9)/(16) \n \n8<9<10<12 \Rightarrow (8)/(16)<(9)/(16)<(10)/(16)<(12)/(16) \Rightarrow (1)/(2) < (9)/(16) < (5)/(8) < (3)/(4)$

In ascending order:
$\boxed{(1)/(2), (9)/(16), (5)/(8), (3)/(4)}$

$(5)/(8)=(10)/(16)\n(3)/(4)=(12)/(16)\n(1)/(2)=(8)/(16)\n\n\Downarrow\n\n\boxed{(1)/(2)<(9)/(16)<(5)/(8)<(3)/(4)}$

How to find the derivative of this?

Answers

I cant see all the question but this is how you find the derivative of your function using the product rule.

Here you use the extension of the product rule to 3 factors which we'll write as:-

f(x), g(x) and h(x):-

Derivative = f'(x) g(x) h(x) + f(x) g'(x) h(x) + f(x) g(x) h'(x)

(3x - 1)(x + 4)(2x - 1)

derivative = 3(x + 4)(2x - 1) + (3x + 1)(1)(2x - 1) + (3x - 1)(x + 4)(2)

= 3(x + 4)(2x - 1) + (3x + 1)(2x - 1) + 2(3x - 1)(x + 4)

Which of the following options have the same value as 65%, percent of 20?

Answers

This question is incomplete. Hereis the complete question:

Which of the following options have the same value as 65% of 20?

(A) 0.65⋅20 (B) 65/100 divided by 20 (C) 65/20 * 100 (D) 65 * 20

Answer:

The correct answer is option (A) 0.65⋅20

Step-by-step explanation:

In this case they are asking us for an expression that is equivalent to 65% of 20. They are not asking us what is the value of that operation.

When we do a percentage calculation we can do it in two ways.

Let's see each one of them:

. (65 * 20): 100 =

1300: 100 = 13

. 0.65. 20 = 13

As we can see both ways we get the same result.

Given this information we can say that the correct answer is option A.

Answer:

Step-by-step explanation:

You find out what is one percent then multiply from there

Pls help solve this question

Answers

Answer: 28cm^2

Step-by-step explanation: Split the trapezoid into three parts. A square 4x4, and two triangles 3x4. The square is 14cm^2 the two triangles are (3x4) / 2 x2 (3 times 4 divided by 2 times 2, or just 3x4)

Can u help plz because i dont get it!!!!12 The price of a cake is £C.
The total cost of buying 20 cakes is £T.
Write a formula for T in terms of C.
thanks
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Answers

so the price is C
and 20 cakes is T

So 1 cake times 20=20 cakes
so 20C=T