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Alina [70]
3 years ago
11

–3x + 4y = 8 -4x + 3y=-6are these Graphs perpendicular, parallel, or niether.​

Mathematics
1 answer:
Alex777 [14]3 years ago
7 0

Answer:

Step-by-step explanation:

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Micah is twice as old as Richard. Richard is four times as old as Ken. Ken is six years old. How old is Micah?
Lelu [443]

Answer:

Step-by-step explanation:

Micah is 48 years old.

E.

K = 6

R = ( 6 x 4 ) = 24

M = (( 6 x 4 ) x 2 )) = 48

5 0
4 years ago
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13 x - 7 / 10 x ^ 2 - 11 x + 3​
xenn [34]

Answer:

\frac{1}{10} x (20x-7x^{2} + 30)

Step-by-step explanation:

2x-\frac{7}{10} x^{2} +3

5 0
2 years ago
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Help me please this is due please help me
dalvyx [7]

Answer:

1) 5.8

2) 341

PLEASE MARK ME AS BRAINLIST

7 0
3 years ago
8. Solve the system of equations using substitution.
Elodia [21]

Answer:

D

Step-by-step explanation:

In order to solve this we need to plug in the answer choices and make sure they work for BOTH answers!

Let us start with option A. (6,3)  3 = 4(6) + 6     = 3 = 30 This is automaticly wrong because 3 doesnt equal 30. There is no need to try it on the second equation since the first one was wrong.

Next answer choice, B  (3,6)  6 = 2(3) =   6=6. The second equation works perfect for this. Now we have to make sure that it works for the first one as well. 6 = 4(3) + 6   = 6 = 18 which is wrong.

Next, C.  (1,2)   2 = 2(1) = 2=2 Right now lets check the other equation.

2 = 4(1) + 6 = 2=10. Wrong

Last, D. (-3, -6)    -6 = 2(-3)  = -6 = -6 Right now lets check the other equation.

-6 = 4(-3) + 6 = -6 = -6. CORRECT. Answer choice D works for both equations.

Sorry for the wait of response.

8 0
4 years ago
1. Draw the graph of f(x) = cos x for 0 I know how to construct the graph but I don’t know how to get the figures. Please help
KengaRu [80]

Answer:

Please refer to the attached figure.

Step-by-step explanation:

Given the function:

f(x) =cosx \ where\  \{0^\circ\leq x\leq 360^\circ\}

OR, the given function can also be written as:

y  = f(x) = cosx

We know that graph of cosine is a wave.

and the range of cosine function is [-1, 1]

First of all, let us have a table of values at major values of x.

x = 0, f(x) = 1\\x = 90, f(x) = 0\\x = 180, f(x) = -1\\x = 270, f(x) = 0\\x = 360, f(x) = 1

So, the table of values for f(x) is:

\begin{center}\begin{tabular}{ c c }x & cosx \\0 & 1 \\90 & 0\\180 & -1\\270 & 0\\360 & 1\\\end{tabular}\end{center}

Let us mark these points on the xy coordinate axis where x axis represents value of<em> x </em>and y axis represents value of f(x)  = cosx and then join the points using a wave.

Please refer to the attached graph for the answer image.

8 0
3 years ago
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