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3 years ago

The difference between two numbers is 12. The LCM of the two numbers is 133. Find the two numbers.

1 answer:

5 0

If the difference between two numbers is 12, those two numbers may be:

13...1
14...2
15...3
16...4
etc...

We can ignore numbers which can be divided by themselves (like 2...14 or 4...16), so we have:

13...1
17...5
19...7
20...8
21...9
22...10

Let's stop here and find LCMs of given numbers:

13...1 = 13
17...5 = 85
19...7 = 133
20...8 = 40
21...9 = 63
22...10 = 110

So as we can see the numbers we're looking for are 19 and 7.

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Two glasses of milk and three snack bars have a total of 72 carbs. and 4 glasses of milk and 2 snack bars have a total of 88 car

melisa1 [442]

Answer:

one glass of milk = 15 carbs

one bar = 14 carbs

Step-by-step explanation:

let 'm' = one glass of milk

let 'b' = one snack bar

system of equations:

2m + 3b = 72

4m + 2b = 88

I used the elimination method and multiplied the 1st equation by -2

-4m - 6b = -144

+ <u>4m + 2b = 88</u>

-4b = -56

b = 14

now solve for 'm'

2m + 3(14) = 72

2m + 42 = 72

2m = 30

m = 15

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3 years ago

Jan has a budget of $600 for catering. The catering company charges $12.50 per guest. Enter and solve an inequality to show the

pantera1 [17]

Answer:

g ≤ 48

Step-by-step explanation:

Let g = # of guest

12.50(g) ≤ 600

$\frac{12.50g}{12.50} \leq \frac{600}{12.50}$

g ≤ 48

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3 years ago

I'LL NAME YOU BRAINIEST!!!! Find the equation for the line which contains the points (0, -3) and (14, 0). Express your answer in

vova2212 [387]

It’s 5+3x 10-1= 21345

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3 years ago

Can someone help me with this question please

Olegator [25]

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3 years ago

Identify the response variable and whether the setting involves a single sample, a matched pairs, or two independent samples.

Helga [31]

Answer:

1. single sample design

2. matched pairs

3. two independent samples.

Step-by-step explanation:

the response variable is known as the dependent variable, it is the variable that the researcher is interested i finding. the response variable is the x variable that responds to changes in the independent variable.

In this question the researcher has only one sample that is the specimen. that is the reference specimen that she obtained. Therefore it is a single sample design.

the response variable here is the measurement of concentration.

2. In this question we have two pairs, men and women. The researcher is interested in comparing attitudes as she interviews them. so response variable is attitude or behavior

3. this is a 2 independent sample design. The researcher is using two different methods to test and their average is being compared.

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2 years ago