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Alexxx [7]
3 years ago
12

Answer plz now and i will give you brainest

Mathematics
2 answers:
SCORPION-xisa [38]3 years ago
7 0
The first one is -12
zaharov [31]3 years ago
6 0

Answer:

Yo im taking the same thing lemme know what you get!!!

Step-by-step explanation:

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What is the average rating for operative effectiveness for national group for all 5 weeks 3.5 3.5 3.8 3.7 3.4
dsp73

Answer:

3.58

Step-by-step explanation:

You must add up all of the numbers which will get you 17.9

Then divide 17.9 by the total amount of numbers (5) = 3.58

7 0
3 years ago
If (x+2) is a factor of x^3-6x^2+kx+10, k=
Alja [10]
If a binomial (x-a) is a factor of a polynomial, then a is a root of this polynomial.

(x+2)=(x-(-2)) \Rightarrow a=-2\\\\
(-2)^3-6\cdot(-2)^2+k\cdot(-2)+10=0\\
-8-24-2k+10=0\\
-2k=22\\\
\boxed{k=-11}


3 0
3 years ago
What issue did the great compromise resolve
kondor19780726 [428]

Answer:

The issue of the great compromise resolved representation.

Step-by-step explanation:

8 0
3 years ago
Rename the fraction 1/4 using the least common denominator,12
kiruha [24]

Answer:

3/12

Step-by-step explanation:
to rename the fraction with the common denominator of 12, u have to multiply 1/4 by 3/3 to get 3/12. You can check ur answer by simplifying your answer. 3/12=1/4

4 0
2 years ago
Read 2 more answers
In a small town, the use of coal (W in tons/per
zimovet [89]

Answer:

i)W = 2500 / T

ii)  W = 500 Tons

iii) grad W(10°) = - 25î

iv) The formulation is not practical

Step-by-step explanation:

i)  Write an equation describing the use of coal

As use of coal is inversely proportional to the average monthly temperature

if  W is use of coal in tons/per month then

W(t)  =   k / T              where k is a constant of proportionality and T is the average temperature in degrees. We have to determine k from given conditions

k  =  ??   we know that when   T  =  25°    W = 100 tons  the by subtitution

W = k/T           100  =  k /25       k  =  2500 Tons*degree

Then final equation is:

W = 2500 / T

ii) Find the amount of coal when T = 5 degrees

W = 2500 / 5

W = 500 Tons

iii)

The inverse proportionality implies that W will decrease as T increase.

The vector gradient of W function is:

grad W  = DW(t)/dt î  

grad W  = - 2500/T² î

Wich agrees with the fact that W is decreasing.

And when T = 100°

grad W(10°) =  - 2500/ 100 î      ⇒  grad W(10°) = - 25î

iv) When T =  0  The quantity of coal tends to infinite and the previous formulation is not practical

5 0
3 years ago
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