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3 years ago

What does negative 2 over 3 > −1 indicate about the positions of negative 2 over 3 and −1 on the number line?

Mathematics

2 answers:

andrew11 [14]3 years ago

8 0

Answer:

2 to the 3rd of the queation would be around 17

Step-by-step explanation:

givi [52]3 years ago

6 0

Answer:

-2 over 3 is located to the left of -1

Step-by-step explanation:

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The total value of x 20 cent coins and y 5 dollar notes in cents

Mariana [72]

<h2>Answer: </h2>

20 x + 500 y cents

<h2>Step-by-step explanation: </h2>

20 x cents already given in question

converting 5 y dollars into cents (1 dollar=100 cents, 5 dollars =500 cents)

5 y dollars =500 y cents

20 x cents+500 y cents

20 x + 500 y cents

3 0

3 years ago

Yara saved $440. She spent 3/4 of it on a tablet . How much money did she spend on the tablet

kotegsom [21]

She spent $330. $440 divided by 4 is $110. And $110 times 3 is $330.

6 0

3 years ago

Radon: The Problem No One Wants to Face" is the title of an article appearing in Consumer Reports. Radon is a gas emitted from t

brilliants [131]

Answer:

a) $\bar{x}$ =4.63 md=4.55 mo= 1.9 b) Sample Standard Deviation≈ 2.58 Coefficient of Variation=55.72% Sample Range=6.9

Step-by-step explanation:

$a)\bar{x}=\frac{1.9+ 2.3+ 5.7+ 5.2+ 1.9+ 8.8+ 3.9+ 7.3}{8} =\frac{37}{8}=4.625=\approx 4.63$

For the <u>Median</u>, we have to order the entries. So, ordering it goes:

1.9 1.9 2.3 3.9 5.2 5.7 7.3 8.8

Since we have even entries $\frac{\frac{n}{2}+\frac{n}{2} +1}{2}=\frac{4th+5th}{2}=\frac{3.9+5.2}{2}=4.55$

mode

The mode for this data 1.9 1.9 2.3 3.9 5.2 5.7 7.3 8.8 is 1.9

<u>Sample Standard Deviation</u>

Here it is the formula to calculate it:

$_{x}=\sqrt{\frac{\sum (x_{i}-\bar{x})^{2}}{n-1}}\\ S_{x}=\sqrt{\frac{46.855}{7}}\approx 2.58$

<u>Coefficient of Variation</u>

CV is the quocient between sample Standard deviation over Mean and it is used to make comparisons.

$CV=\frac{S_x}{\bar{x}}*100%=\frac{2.58}{4.63} \approx 55.72%$

<u>Range</u>

The difference between the highest and the lowest value of this sample

8.8-1.9=6.9

4 0

3 years ago

Find the solution to the system of equations given below:<br> x=-4<br> -5x-4y=16<br><br> PLS HELP

poizon [28]

Answer:

Step-by-step explanation:

Since x=-4 plug in the -4 into the equation to find y,

-5(-4)-4y=16

20-4y=16 -20 -20 __________

-4y=-4

-4y/-4=-4/-4

___________

y=1

So now you found both x and y so plug in both now to check if both are correct.

-5(-4)-4(1)=16

20-4=16

16=16

So both y and x are correct.

Hope this helps!:)

8 0

3 years ago

Please help me please

ycow [4]

Answer:

Its a i just took the test

Step-by-step explanation:

6 0

4 years ago