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Fynjy0 [20]
2 years ago
12

If 5 bags weigh the same as 3 blocks, how many blocks will 9 bags weigh?

Mathematics
2 answers:
crimeas [40]2 years ago
8 0

Answer: C. 5.4 Blocks

Step-by-step explanation:

<u>Given information</u>

5 bags = 3 blocks

<u>Set variable</u>

Let x be the number of blocks

<u>Constructure proportional equation</u>

\frac{3}{5} } ~=~\frac{x}{9}

<u>Cross multiply the fraction</u>

(3)~*~(9)~=~(5)~*~(x)

27~=~5x

<u>Divide 5 on both sides</u>

27~/~5~=~5x~/~5

\Large\boxed{x=5.4~blocks}

Hope this helps!! :)

Please let me know if you have any questions

alexandr402 [8]2 years ago
3 0

Answer:

oc

Step-by-step explanation:

5 times .6 equals 3

9 times .6 equals 5.4

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Which inequality best represents that ice cream at −5°C is cooler than ice cream at 4°C?
konstantin123 [22]
(<) this means less than 
(>) this means greater than
So since the question doesnt say anything about -4°C we can automatically cross out A and B 
They are both negative! but when you have a negative. Its going to be less than a positive 
So this means 4°C is greater than -5°C 
or in other words
D.) 4°C > -5°C
hope this helps! 
and dont forget 2 
MARK ME BRAINLIEST! 
=)
3 0
4 years ago
Read 2 more answers
Please Help me Please Please the question and options are in the picture
Vladimir [108]

The correct answer is B)x = \frac{y - p + mq}{m}.

In order to find this, we need for follow the order of operations.

y - p = m(x - q) ----> Divide both sides by m

\frac{y - p}{m} = x - q ----> add q to both sides

\frac{y - p}{m} + q = x ---> now we need to give it a common denominator. Multiply the q term by m/m

\frac{y - p + mq}{m} = x

This is our final answer.

5 0
3 years ago
Find the value of (3 + 4)2
elena55 [62]

Answer:

14

Step-by-step explanation:

We solve this by using 2 to open the bracket

(3+4)2 is the same as 2(3+4)

2(3)+2(4)

=6+8

=14

OR

(3+4)2 is the same as 2(3+4)

So we can solve the one inside the bracket first

=2(7)=14

6 0
3 years ago
Jane is trying to estimate the average electric bill amount of people who live in Las Cruces in summer time. She randomly select
Lina20 [59]

Answer:

The estimated average electric cost amount of all residents in Las Cruces = 182.9

Step-by-step explanation:

The bill amounts from the electric company for the month of July for 10 randomly selected houses from the map was obtained to be

135 265 215 103 156 203 125 156 230 241

Using the Central Limit theory, the mean of a sample extracted randomly from an independent distribution is approximately equal to the population mean of the independent distribution.

This means that the sample mean of a random sample extracted from the population is a good estimate of the population mean.

Sample mean ≈ Population mean

μₓ = μ

Mean = = (Σx)/N

The mean is the sum of variables divided by the number of variables

x = each variable

N = Sample size = 10

Σx = (135+265+215+103+156+203+125+156+230+241) = 1,829

Sample mean = (1,829/10) = 182.9

Population mean ≈ sample mean

Population mean ≈ 182.9

Hope this Helps!!!

8 0
4 years ago
If you add or subtract two rational numbers, is the result sometimes, always, or never rational?
lawyer [7]

Answer:

Always

Step-by-step explanation:

8 - 9 = -1

1/3 - 1/6 = 1/6   are 2 examples

8 0
3 years ago
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