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IceJOKER [234]
3 years ago
6

At 6 a.m., the temperature was –8°C. By noon, the temperature had risen 6°C. The temperature at 6 p.m. was –10°C. Which integer

represents the temperature change between noon and 6 p.m.?
–24
–12
–8
–4
Mathematics
2 answers:
dolphi86 [110]3 years ago
5 0

Answer:

-8

Step-by-step explanation:

so -8 + 6 = -2. and then for that to drop to -10, it would have to change -8 degrees

Andreas93 [3]3 years ago
4 0

Answer:

Step-by-step explanation:

-8 is the answer

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sergey [27]
We can get the tax pay by multiplying the total cost times the tax rate, and take into account that 7.375% = 7375/100000 that huge denominator comes from adding 100 more zeroes as the decimal places in the tax amount has, so we do have:
(7.375%)(625)
= (<span>7375/100000)(625)
= 46.09
therefore, the 7.375% out of $625 is $46.09</span>
7 0
4 years ago
There are 30 books and there are 5 paragraghs in each chapter.divide 30,5 what does it give you
Tasya [4]
Thirty divided by would be six 
3 0
3 years ago
Read 2 more answers
4. Simplify (2 – 3x)(3x2 - 2x -1).
storchak [24]

Answer:

--9x^3+12x^2-x-2

Step-by-step explanation:

(2-3x)(3x^2-2x-1)

6x^2-4x-2-9x^3+6x^2+3x

-9x^3+6x^2+6x^2+3x-4x-2

-9x^3+12x^2-x-2

4 0
4 years ago
All of the following are equivalent to 2(2 a+ b) + 8 except __________
Masteriza [31]
2 * (2a + b) + 8 = 4a + 2b + 8
------------------------------------------
A.  =
B.  =
C.  ≠      4* (a + b + 2) = 4a + 4b + 8
D. =
5 0
3 years ago
Max is observing the velocity of a runner at different times. After one hour, the velocity of the runner is 5 km/h. After two ho
Hatshy [7]
You only have two observations to work the equation for the velocity.

You only can assume a linear relation.

Part a.

Calling x the independent variable (time in hours) and y the dependent variable (velocity in km/h) =>

x (time in hours)         y (velocity in km/h)

1                                  5
2                                  3

Now you use the linear relation:

slope: (3 - 5) km/h/ (2 - 1)h = - 2 km/1h^2 = - 2 km/h ^2

Equation:

y - 3 = slope * (x - 2)

=> y - 3 = - 2 ( x - 2)

=> y - 3 = - 2x + 4

=> y = 3 - 2x + 4

=> y = - 2x + 7

that is the slope-intercept form.

the standard form is y + 2x - 7 = 0

part B.

to draw the graph you can make a table with the points for the first four hours:

x (time in hours)            y (velocity in km/h)
                                        -2x + 7

1                                      -2(1) + 7 = 5

2                                      -2(2) + 7 = 3

3                                      -2(3) + 7 = 1

4                                     -2(4) + 7 = - 1

The graph, of course, is a straight line, because we started from that assumption.
7 0
4 years ago
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