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trasher [3.6K]
3 years ago
14

S/4-6.8=-9.8 what does s equal

Mathematics
1 answer:
Hatshy [7]3 years ago
4 0
S/4-6.8=-9.8
S/4= -9.8+6.8
S/4= -3
S=-3*4
S= -12
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Review the work showing the first few steps in writing a partial fraction decomposition.
allochka39001 [22]

Answer:

8/(x + 2) - 4/(x + 6)

Step-by-step explanation:

4x + 40 = Ax + 6A + Bx + 2B

Equating coefficients of x

4 = A + B      (1)

Equating constant terms:

40 = 6A + 2B    (2)

Multiply  equation (1) by -2:

-8 = -2A - 2B   .. (3)

Add (2) and (3):

32 = 4A

A = 32/4

A = 8.

4 = 8 + B

B = 4 - 8

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7 0
2 years ago
Pls help! Will mark Branliest!! 50 points for whoever answers!!!!!!
KiRa [710]

Answer: See below

Step-by-step explanation:

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3x=9+2y

x=\frac{9+2y}{3}....(1)

Substitute (1) into the 2nd equation

\begin{bmatrix}-\frac{9+2y}{3}+3y=-4\\ 2\cdot \frac{9+2y}{3}-5y+3z=16\end{bmatrix}

\frac{3\left(-9+7y\right)}{3}=3\left(-4\right)

7y=-3

y=-3/7

Substitute y=-3/7

\begin{bmatrix}3z+\frac{18-11\left(-\frac{3}{7}\right)}{3}=16\end{bmatrix}

\begin{bmatrix}3z+\frac{53}{7}=16\end{bmatrix}

Isolate z by substituting it

3z+\frac{53}{7}=16

\frac{3z}{3}=\frac{\frac{59}{7}}{3}

z=\frac{59}{21}

For x =9+2y/3 substitute z=59/21 and y=-3/7

x=\frac{9+2\left(-\frac{3}{7}\right)}{3}

x=\frac{19}{7}

x=\frac{19}{7},\:z=\frac{59}{21},\:y=-\frac{3}{7}

6 0
3 years ago
Read 2 more answers
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romanna [79]

Answer: 2 markers.

Step-by-step explanation:

1. You know that she gives 12 markers to Mr. Cooke, then the rest among is:

29 markers-12 markers=17 markers

2. She divides the rest among 5 other teachers and each one of them get the same number of markers. So, you need to divide 17 markers by 5 teachers as following:

17 markers/5=3.4 markers

3. But the number of marker each one teacher has can't be a decimal number, so this number must be: 3 markers for each teacher.

3. The number of markers that will be left over is:

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4 years ago
Which statement best describes the use of a stimulation to predict the probability that two randomly chosen people will both hav
777dan777 [17]

Answer:

The answer is "The Last choice".

Step-by-step explanation:

Please find the complete question in the attached file.

It is the phrase that perfectly represents the usage of a simulation for an estimate of the likelihood of the birthday of 2 randomly chosen persons on a Monday.

In a week there are 7 days, so seven choices are available, and just one Monday. Therefore, it is probable that \frac{1}{7} will occur on a Monday to a birthday individual.

The first person will have a probability \frac{1}{7}.

The second person also has a probability \frac{1}{7} .

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Answer:

Step-by-step explanation:

Rice: 3 x 10^-2 = 0.03 grams

Salt: 6 x 10^-5 = 6e-5 grams

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3 years ago
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