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Delvig [45]
3 years ago
11

Help! I get 10 points

Mathematics
1 answer:
Leno4ka [110]3 years ago
6 0

Answer:

Expression 1= 5

Expression 2 = 1 - 16

Step-by-step explanation:

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When it is summer in the United States, Earth is closest to the Sun.
Bingel [31]

Answer:

False

Step-by-step explanation:

I looked it up and I also remember it from school. The earth is closer to the sun in the winter. When i looked it up, heres what came up (from the library of congress): Many people believe that the temperature changes because the Earth is closer to the sun in summer and farther from the sun in winter. In fact, the Earth is farthest from the sun in July and is closest to the sun in January!

I'm pretty certain this is right, let me know.

7 0
3 years ago
Which of these is an example of a random sample?
statuscvo [17]

Answer:

The random sample is D. The other 3 cannot be taken as random since they involve groups at a specific place or doing a specific thing.

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
If cosť = 13 and sin 0
shusha [124]

Answer:

cos13=0.97 and sin0=0

Step-by-step explanation:

cos(13)

put in calculator and get 0.97

and do the same for sin(0).

sin(0)

0.

3 0
2 years ago
*I thought of a number, added 18, then multiplied the result by 8. I got 16. What was my number?
Arte-miy333 [17]

Answer:

-16

Step-by-step explanation:

Represent the number by n.

Then:

8(n + 18) = 16

Performing the indicated multiplication, we get:

8n + 144 = 16

Subtracting 144 from both sides results in 8n = -128.

Dividing both sides by 8:  n = -128/8  =  -16

The number was -16.

4 0
3 years ago
Please plot this linear equation on a graph, and also explain how to plot it. <br> <img src="https://tex.z-dn.net/?f=y%3D3x-7" i
olasank [31]

Answer:

See below:

Step-by-step explanation:

Hello! I hope you are having a nice day.

We can solve this equation in a single step, we just need a bit of theory and a graph.

We can first see that its in y=mx+b form. Which is also known as Slope-Intercept form.

This means that we know the following.

  • b is the y coordinate of the y intercept.
  • m is the slope of the line.

Since we know that, we can see that from our equation that the slope of the line is 3 and the y intercept is (0,-7).

Now that we've gotten that, we can start graphing.

The y intercept is -7 so we can plot (0,-7) as one of our points.

The slope of 3 means that we got up 3 units then right a single unit.

Therefore, another point could be (1,-4).

With our two points, we can create our graph by creating a straight line through those two points and therefore plotting our line.

Cheers!

6 0
2 years ago
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