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3 years ago

Which system of inequalities is shown in the graph?

Mathematics

1 answer:

-Dominant- [34]3 years ago

3 0

Answer: A. -3x+y>-2 and 2y>x+2

Step-by-step explanation: Graph is shown down below.

Hope this helps you out! ☺

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Convert 52.68 feet per hour to inches per minute using dimensional analysis

e-lub [12.9K]

$\frac{52.68 ft}{hr} \cdot \frac{12 in}{1 ft} \cdot \frac{1 hr}{60 min} = 10.536 \frac{in}{min}$

3 0

3 years ago

A three-centimeter cube has been painted red on all sides. it is cut into one centimeter cubes. how many cubes will be there wit

Likurg_2 [28]

There will be only 6 cubes with only one side painted red.

Cube : A cube is a 3D shape having 6 equal square sides. it has 6 faces , 8 vertices and 12 edges.

According to the question

A 3 cm cube is divided into one centimeter cube.

Every face will have 9 cube each and from that 9 cube there will be only one 1 cube that will have one side painted red.

Since there are 6 faces,

cubes painted one side red = 6x1=6.

Therefore , There will be only 6 cubes with only one side painted red.

Learn more about Cube here brainly.com/question/14619542

#SPJ4

7 0

1 year ago

In order to estimate the average electric usage per month, a sample of 81 houses was selected and the electric usage was determi

lana [24]

Answer:

Confidence interval: (1760,1956)

Step-by-step explanation:

We are given the following information in the question:

Sample size, n = 81

Sample mean =

$\bar{x} = 1858 \text{ kWh}$

Population standard deviation =

$\sigma = 450 \text{ kilowatt-hours}$

Confidence Level = 95%

Significance level = 5% = 0.05

Confidence interval:

$\bar{x} \pm z_{critical}\displaystyle\frac{\sigma}{\sqrt{n}}$

Putting the values, we get,

$z_{critical}\text{ at}~\alpha_{0.05} = \pm 1.96$

$1858 \pm 1.96(\displaystyle\frac{450}{\sqrt{81}} ) = 1858 \pm 98 = (1760,1956)$

6 0

3 years ago

Given m||n, find the value of x.<br> t<br> >m<br> (x+14)<br> (9x-8)"

UkoKoshka [18]

Answer:

1st one

Step-by-step explanation:

8 0

3 years ago

Which is bigger 20% of 400 or 1//4 f 360

nekit [7.7K]

20% =20/100=2/10
20% of 400 =(2/10)*400 =80
1/4 of 360= (1/4)*360 =90
90>80, so 1/4 of 360 is bigger than 20% of 400

7 0

3 years ago

Read 2 more answers