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nlexa [21]
3 years ago
12

Find the missing variable for the following direct variation k=3;(9,y)

Mathematics
1 answer:
WINSTONCH [101]3 years ago
5 0

Answer:

Y =ec2

Step-by-step explanation:

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If LN = 6x – 5, LM = x + 7, and MN = 3x + 20, find MN.
nikklg [1K]

Answer:

LM = LN + MN [ assuming N is a point between L and M ]

(x + 7) = (6x - 5) + (3x + 20) \\ x + 7 = 9x + 15 \\ 8x =  - 8 \\ { \underline{x =  - 1}}

then find MN:

MN = 3x + 20 \\ MN = 3( - 1) + 20  =  - 3 + 20\\ { \boxed{ \boxed{MN = 17}}}

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3 years ago
What is the value of f(x) = 2 • 2^x for f(–2)? Will Give brainliest answer!!!
Sedbober [7]
For f(-2), x will equal -2.

Plug the x-value into the equation:

2 \times 2^{-2}

A negative exponent means that the term turns into a fraction, with 1 as the numerator and the positive exponent as the denominator. 
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Solve the problem:

2 \times \frac{1}{4} = \frac{1}{2}

f(-2) will equal 1/2.
5 0
4 years ago
ok i have 2 questions first one, is 12.01 larger than 11.999? second question is 0.57 equal to 0.573?
myrzilka [38]

Answer:

1. yes 2. no

Step-by-step explanation:

for #2 it would have to be 0.57 and 0.570

8 0
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What’s the surface area of a cylinder if radius is 6 and the height is 5
SVETLANKA909090 [29]

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Step-by-step explanation:

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A flower show has an inventory of 60 tulips and 100 roses. If T represents tulips and R represents roses, which of the following
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Step-by-step explanation:

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