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Alchen [17]
3 years ago
5

The temperature falls from -7°C to -20°C. What is the change in these temperatures?

Mathematics
1 answer:
mixer [17]3 years ago
5 0

Answer:

13 degrees Celsius

Step-by-step explanation:

To solve this question, you need to subract -20 from - 7.-7-(-20)  is 13.

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Graph the line with slope 1 passing through the point (5,1).
vfiekz [6]

Answer:

y= x-4

Step-by-step explanation:

Since we have a point, and the slope, we can use the point slope formula

y-y_{1}=m(x-x_{1}  )

m is the slope, y1 is the y coordinate of the point and x1 is the x coordinate of the point.

We know that m is 1, y1 is 1, and x1 is 5, so we can substitute them in

y-1=1(x-5)

Solve for y by isolating it

Distribute the 1

y-1=1*x+ 1*-5

y-1=x-5

Add 1 to both sides

y=x-4

7 0
2 years ago
Read 2 more answers
Which sentence explains the correct first step in the solution of this equation?<br><br> 4(x−3)=9
kodGreya [7K]

Answer:

You will do the Distributive Property first.

Step-by-step explanation:

You will do the Distributive Property first.

4(x - 3) = 9 <u>distribute the 4 into the x and -3.</u>

4x - 12 = 9 <u>add -12 to both sides.</u>

4x = 21 <u>divide 4 on both sides.</u>

x = 5.25 is your answer.

4 0
2 years ago
What are the coordinates of the circumcwnter of this triangle
Nimfa-mama [501]

Answer:

A: (-1,5) B: (-2,-1) C: (8,-1)

5 0
2 years ago
What graph is the graph of y ≥ 1 - 3x?
siniylev [52]
<h2>Greetings!</h2>

First of all option C and D are ruled out because no area is shaded. Because the values of Y are all ≥ 1 - 3x the area shaded should be above the line and the line should not be dotted, it should be a full line. Although there seems to be no option for both a full line and above the line is shaded.


<h2>Hope this helps!</h2>
4 0
3 years ago
Read 2 more answers
Pls help need answer ASAP
kirza4 [7]

Answer:

y =5^x

y=78,125

if we have x=7

y=5^7

5×5×5×5×5×5×5=78,125

5 0
3 years ago
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