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vladimir2022 [97]
3 years ago
11

The expression 1.7j−3.4 factored is

Mathematics
1 answer:
saveliy_v [14]3 years ago
6 0

Answer:

1.7j - 3.4 = 1.7(j - 2)

Step-by-step explanation:

Note that both 1.7 and -3.4 are evenly divisible by 1.7:

1.7j - 3.4 = 1.7(j - 2)

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The first two steps in determining the solution set of the system of equations, y = x2 – 2x – 3 and y = –x 3, algebraically are
rodikova [14]
Is that supposed to be : y = -x^3 ?? 
<span>i have the same question </span>
<span>yes it is </span>
<span>so when you write x2 you mean x^2 and 2x is 2^x also ? </span>
<span>is it an exponent
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5 0
3 years ago
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Find the slope of the normal line to y=x+cos(xy) at (0,1)
DaniilM [7]
Derivating the equation:

y=x+\cos(xy)\Longrightarrow y'=1+(-y\sin(xy)-xy'\sin(xy))\iff \\\\y'=1-y\sin(xy)-xy'\sin(xy)\iff y'+xy'\sin(xy)=1-y\sin(xy)\iff \\\\y'=\dfrac{1-y\sin(xy)}{1+x\sin(xy)}

So the slope of the tangent in the point (0,1) is:

y'=\dfrac{1-y\sin(xy)}{1+x\sin(xy)}\Longrightarrow y'=\dfrac{1-1\sin(0\cdot1)}{1+0\sin(0\cdot1)}\Longrightarrow y'=1

Then, the slope of the normal (n) line in the point (0,1) is:

n\cdot y'=-1\Longrightarrow n\cdot1=-1\iff\boxed{n=-1}
4 0
3 years ago
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Mr. Rr the Rreliable Rrobot has been programmed to whistle every 18 seconds and do a jumping jack every 42 seconds, starting fro
mixer [17]
15 mins = 900 s

We need to find all common multiples of 18 and 42 less than or equal 900.
We'll find the least common multiple first.

18|2
9|3
3|3
1

42|2
21|3
7|7

\text{lcm}(18,42)=2\cdot3^2\cdot7=126

Now, we nned to find all multiples of 126 that are less than or equal 900.
Those are 126,252,378,504,630,756,882. There are 7 of those.
Therefore the answer is 7.

8 0
4 years ago
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2/5 × 6/7= simplify form​
kirill115 [55]

Answer:

2 x 6 = 12

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12/35

Step-by-step explanation:

3 0
3 years ago
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A line is parallel to y = 5x + 9 and
ryzh [129]
<h3>Answer:    y = 5x + 7</h3>

Work Shown:

y - y1 = m(x - x1)

y - (-3) = 5(x - (-2))

y + 3 = 5(x + 2)

y + 3 = 5x + 10

y = 5x + 10 - 3

y = 5x + 7

The equation is now in slope intercept form y = mx+b with m = 5 as the slope and b = 7 as the y intercept. Plugging x = -2 into this equation will lead to y = -3.

Side note: parallel lines have equal slopes but different y intercepts.

4 0
2 years ago
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