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2 years ago

Can u help me plssssssss

Mathematics

2 answers:

Angelina_Jolie [31]2 years ago

5 0

Answer:

120

Step-by-step explanation:

you do 3*4=12

12*10=120

Murrr4er [49]2 years ago

3 0

I’m pretty sure surface area is all the sides multiples then added
I’m going to assume the length is 10, width is 4, and height is 3
You would find the base of the rectangle which is the same as the top and that would be 80 (because 10 multiples by 4 for the base and top)
Then the ends which is 3x4= 12 and you have to sides so the total is 24
And lastly the sides which is 10x3= 30 and you have 2 sides so it’s really 60
In total you have 60+24+80= 164cm

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The more appropriate measures of center and spread are:

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B. Better measure of center: the median

<h3>Which measures are best for the given data?</h3>

The better measure of the middle would be the median because mean is affected by low and high values which are present in the given data set.

As mean is not being used, standard deviation should not be used for the same reason. This leaves us with the interquartile range which is best because it does not take outliers into account.

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1 year ago

A city’s population is increasing at a rate of 5% each year. Which type of model describes this situation?

Basile [38]

Answer:

Exponential

Step-by-step explanation:

Ir's exponential because linear would mean it is increasing by a specific number every year, in which this case does not. Quadratic would mean a vertex form would need to be used, and with the information given , that could not happen.

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2 years ago

I need answer and specific explanation plz...

vitfil [10]

Answer:

The smallest model - bottom right - in the question diagram represents $\sqrt[3]{64}=4$ .

Step-by-step explanation:

Considering the radical expression

$\sqrt[3]{64}$

Lets simply this radical expression first

$\sqrt[3]{64}$

$\mathrm{Factor\:the\:number:\:}\:64=4^3$

$=\sqrt[3]{4^3}$

$\mathrm{Apply\:radical\:rule}:\quad \sqrt[n]{a^n}=a,\:\quad \:a\ge 0$

$\sqrt[3]{4^3}=4$

$=4$

Therefore, $\sqrt[3]{64}=4$

Now, as we can determine that $\sqrt[3]{64}=4$ . So, the smallest model in the question diagram represents $\sqrt[3]{64}=4$ as each face of the cube of the smallest model in the diagram - bottom right - has 4 squares.

Therefore, the smallest model - bottom right - in the question diagram represents $\sqrt[3]{64}=4$ .

Keywords: square cube root, radical expression

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2 years ago

Which of these sets is a Pythagoreah Triple?

zmey [24]

Answer:

None

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2 years ago

Read 2 more answers

You are running a fuel economy study. One of the cars you find is blue. It can travel 44 and one half miles on 1 and one fourth

Radda [10]

Unit rate of blue car is 35.6 miles/gallon and unit rate of red car is 36 miles/gallon. The red car could travel the greater distance on 1 gallon of gasoline.

<u><em>Explanation</em></u>

Unit rate for each car can be calculated using the below formula...

Unit rate = (Distance traveled) / (Amount of gasoline)

For Blue car, distance traveled $=44\frac{1}{2} = \frac{89}{2} miles$ and amount of gasoline $=1 \frac{1}{4}= \frac{5}{4} gallons$

So, the unit rate for blue car = $\frac{89}{2}$ ÷ $\frac{5}{4}$ = $\frac{89}{2}$ × $\frac{4}{5}$ = $\frac{356}{10} = 35.6$ miles/gallon

Now for Red car, distance traveled $= 28\frac{4}{5} = \frac{144}{5} miles$ and amount of gasoline $= \frac{4}{5} gallons$

So, the unit rate for red car = $\frac{144}{5}$ ÷ $\frac{4}{5}$ = $\frac{144}{5}$ × $\frac{5}{4}$ = $\frac{144}{4} = 36$ miles/gallon

As the unit rate for red car is greater than the blue car, that means the Red car could travel the greater distance on 1 gallon of gasoline.

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