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Cerrena [4.2K]
3 years ago
13

PLEASE REMEMBER PUT THEM IN THE CORRECT ORDER

Mathematics
2 answers:
kogti [31]3 years ago
7 0
The order for multiplying decimals
1. set up problem
4. multiply
3. count over
2. count numbers
antiseptic1488 [7]3 years ago
4 0
1.) set up the problem as if there were no decimals

4.) Multiply

2.) count the numbers behind the decimals in the problem

3.) count over that number of spaces from the right in your to place the decimal
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A bus averages 4 miles per hour faster than a motorcycle. If the bus travels 180 miles in the same time it takes the motorcycle
klemol [59]
Can u send me a picture of the question instead please because i dont understand what ur trying to ask..
3 0
3 years ago
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A triangle has two sides that measure 4ft and 3ft. Which could be the measure of the third side?
Nezavi [6.7K]
The measure of the third side must be less than the sum of the other two. That property is valid for all triangles.

For this question, call x the measure of the third side. So you must have

x < 4 + 3

x < 7 ft

The only option that satisfies the condition above is

option A) 5 ft.

I hope this helps. =)
7 0
3 years ago
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Please help I don’t understand math
andrew-mc [135]

Answer:

x = 12

Step-by-step explanation:

The sum of the two smaller angles is 140

80+5x = 140

Subtract 80 from each side

80+5x-80 =140-80

5x = 60

Divide each side by 5

5x/5 = 60/5

x = 12

6 0
3 years ago
In a study of cell phone use and brain hemispheric​ dominance, an Internet survey was​ e-mailed to 2455 subjects randomly select
Genrish500 [490]

Answer: 0.355,0.405)

Step-by-step explanation:

Given : Significance level : \alpha=1-0.99=0.01

Number of subjects (n) = 2455

Number of surveys returned = 931

The probability of surveys get return will be :-

p=\dfrac{931}{2455}=0.379226069246\approx0.38

The confidence interval for proportion is given by :-

p\pm z_{\alpha/2}\times\sqrt{\dfrac{p(1-p)}{n}}

0.38\pm z_{0.005}\times\sqrt{\dfrac{0.38(1-0.38)}{2455}}\\\\=0.38\pm(2.576)0.0098\\\approx0.38\pm0.025=(0.355,0.405)

Hence, the 99​% confidence interval for the proportion of returned surveys : (0.355,0.405)

5 0
3 years ago
The height of a cylinder is equal to the diameter of the base. What expression represents the volume of the cylinder, in cubic u
OverLord2011 [107]

<span>The volume of the cylinder will be 2</span>πR^{3}

 

As shown in figure, R is the base radius of the cylinder.

H is the height of the cylinder.

Given: H = diameter of the base of cylinder.

Now, diameter of the base = 2R

So, H = 2R

<span>Volume of cylinder = π×</span>R^{2}×H

<span>                                  = π×</span>R^{2}×(2R)

<span>                                  = 2 π </span>R^{3} cubic units.

7 0
3 years ago
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