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SpyIntel [72]
3 years ago
9

3 4 (2a − 6) + 1 2 = 2 5 (3a + 20) what's the answer for a?

Mathematics
2 answers:
julsineya [31]3 years ago
4 0
The answers for A equals to 4.57

aivan3 [116]3 years ago
3 0

Answer:

Step-by-step explanation:

a=4.57

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What are the coordinates of the point on the directed line segment from (–9, -7) to
pentagon [3]

Answer:

Step-by-step explanation:

Saving the long, drawn out derivation of the formulas to find the x and y coordinates of the directed point, suffice it to say that it is:

x coordinate: \frac{bx_1+ax_2}{a+b} and

y coordinate: \frac{by_1+ay_2}{a+b}

where x1, x2, y1, and y2 are the coordinates from the given points and a and b are the numbers in the ratio, namely a = 3 and b = 4. Filling in accordingly:

the x coordinate of the directed point is

\frac{4(-9)+3(-2)}{7} which simplifies down to -6, and

the y coordinate of the directed point is

\frac{4(-7)+3(7)}{7} which simplifies down to -1.

The coordinate of the point is (-6, -1). Write that down so you don't forget it.

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3 years ago
Find the EXACT value of sec (-120 degrees)
kenny6666 [7]
Sec is 1/cos so sec -120 is 1/cos -120 which is -2
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castortr0y [4]

Answer:

f(x)^-1 = x - 4

D: {x is all real numbers}

Step-by-step explanation:

change f(x) to y

switch x with y and vice versa

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Jane drinks one-fourth of a gallon of soda every three days. If they continue to drink the same
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I hope that helped! :)

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