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Nimfa-mama [501]
3 years ago
5

1. Find the product. Your answer should be in simplest form.

Mathematics
1 answer:
svp [43]3 years ago
3 0

Answer:

1) 24

2) 21/2 = 10 1/2

3) 2/5

Step-by-step explanation:

1) We have 2 2/3 * 9, to solve this we have to know that in multiplications we multiply the numerator from the first fraction times the numerator from the second fraction, and the denominators are multiplied too.

We also know that 2 2/3 = 8/3, because we multiply 2 times the denominator and then we add that result plus the numerator.

So now we have:

8/3 * 9 = 72/3 = 24

2) We do the same thing than in problem 1.

We have -4 1/2 * -2 1/3, so first we change them:

-4 1/2 = -9/2 and -2 1/3 = -7/3, so we have:

-9/2 * -7/3 = 63/6 = 21/2 = 10 1/2

3) We have 1/3 ÷ 5/6, to divide we can flip the second fraction and just solve it as a multiplication:

1/3 * 6/5 = 6/15 = 2/5

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The sum of two numbers is 200 and the two numbers are in a ratio of 4:6. What are the two numbers?
eimsori [14]

Answer:

Let's call these numbers 4x and 6x, sum of 4x and 6x will be equal to 200, meaning  10x=200, If we divide both sides by 10, x will be equal to 20 and, the larger number 6x will be equal to, 6*20=120

Step-by-step explanation:

7 0
3 years ago
3/4 of a number is 27. What’s the number?
Artyom0805 [142]

Hello from MrBillDoesMath!

Answer:

36


Discussion:

From the problem statement

(3/4) x = 27

where "x" is the number to be found.

Multiply both side of the above equation by (4/3):

(4/3)(3/4)x = 27 (4/3) =>                            as (4/3)(3/4) = 1

1x = 27 * 4/3 = 108/3 = 36



Thank you,

MrB

8 0
3 years ago
Please answer neat will mark brain.
steposvetlana [31]

Answer:

9.110° and y are the same(alternate angles)

thus y=110°. 110+x=180(seplementary angles). thus x=180-110=70°

z(alternate)=70°

10.y=78°. x=(180-78)=102°. z=102°

11.x=83°. y=(180-83)=97°. z=97°

12.y=37°. x=(180-37)=143. z=143°

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5 0
3 years ago
What can you say about the y-values of the two functions ?
grandymaker [24]
Both exponential i.e 5 ^x
A is true, surprisingly. 
B cannot be true, it alternates.(rule of indices negatives by positive exponent = positive, negative by negative , but -5 x -5 x -5 = + 5)
I'm only imaginging, but C must be right, since it increases exponentially, as opposed to D which only increases quadratically.  


 
8 0
3 years ago
Which of the following represents the transformation below?
Ghella [55]

Answer:

B

Step-by-step explanation:

7 0
3 years ago
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