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Arturiano [62]
4 years ago
9

Solve math for j. J-22/6=9

Mathematics
1 answer:
goldenfox [79]4 years ago
7 0
First you multiply 6 to both sides to get j-22=54
Then, you add 22 to the other side
j=76
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A student claims that -4i is the only imaginary root of a quadratic polynomial equation that has real coefficients.
slava [35]

Step-by-step explanation:

Complex roots or imaginary roots must come in conjugate pairs.  If -4i is a root, that means 4i is also a root.

A possible polynomial is:

y = (x + 4i) (x − 4i)

y = x² − 16i²

y = x² + 16

7 0
3 years ago
Solve y−3x=13 for y.
Leno4ka [110]

Answer:

y=3x+13

Step-by-step explanation:

−3x+y+3x=13+3x

y=3x+13

3 0
3 years ago
Bivariate Data problem. Image attached. <br><br> A. 5.967<br> B. 6.671<br> C. 9.352<br> D. 9.338
Fed [463]

Answer:

A

Step-by-step explanation:

s_x  is the standard deviation of x.

The standard deviation is gotten by:

1. find the average of x-values (add up all the values and divide by number of numbers, which is 5)

2. subtract the average, x bar, from each of the values, square it,  and add up the difference

3. Divide that final answer by n, which is 5

4. Take the square root of the answer

<em>Now, let's find the average (x bar):</em>

<em>x bar = \frac{2+6+9+14+19}{5}=10</em>

<em />

<em>Doing steps 2 & 3 together:</em>

<em>\frac{(2-10)^2+(6-10)^2+(9-10)^2+(14-10)^2+(19-10)^2}{5}\\=35.6</em>

<em />

<em>Doing step 4:</em>

<em>\sqrt{35.6} =5.967</em>

<em />

Correct answer is A

<em />

7 0
4 years ago
X-y+z=6, 2y+z=12, z=2
snow_tiger [21]
For z=2⇒ 2y+2=12
                2y=12-2
                2y=10
               y=10:2
               y=5
x - y+z=6
x - 5 + 2=6
x -3 =6
x=6+3
x=9
7 0
3 years ago
A certain microorganism has a diameter of 1.03 x 108 cm. How is this number written in standard decimal notation?
Paladinen [302]

Answer:

111.24 is the decimal notation

1.1124 x10^2 is the scientific notation

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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