2 years ago

Can someone help me with this?

Mathematics

1 answer:

KatRina [158]2 years ago

7 0

Answer:

Step-by-step explanation:

If you write 1 instead of y, x would be 5/8 so ratio is 1/5:8=8/5

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Value of 3x^2 +4y^2 if x=2, y=1, and z= -3

Dennis_Churaev [7]

$3x^2+4y^2\\\\\text{Put the values of x=2, y=1 and z=-3 to the expression:}\\\\3(2^2)+4(1^2)=3(4)+4(1)=12+4=16$

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3 years ago

An example of a plane geometric surface is

Vesnalui [34]

Answer:

A square

Step-by-step explanation:

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2 years ago

How do I solve problems like this? <br><br> X + 1/2 = 4/6

andrezito [222]

Answer:

1/3

Step-by-step explanation:

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draw three cells in parallel, two light bulbs (loads) in series, with one switch.

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2 years ago

Is this equation true? 1.2(2x-5)=2/5(2x-15)+1.6x

kobusy [5.1K]

Answer:

no, there is an infatuate amount of solutions

Step-by-step explanation:

1.2(2x-5)=2/5(2x-15)+1.6x

2.4x -6 = .8x -6 +1.6

2.4 -6 = 2.4-6

0=0 ( infatuate)

7 0

3 years ago

without graphing what is the equation for THE LINE THAT PASSES THROUGH THE POINTS (-4, 3) AND (6 -2)

mojhsa [17]

Answer:

The answer to your question is: y = -1/2 x + 1

Step-by-step explanation:

Data

A (-4 , 3)

B (6, -2)

Formula

$m = \frac{y2 - y1}{x2 - x1} \\$

(y - y1) = m(x - x1)

Process

$m = \frac{-2 - 3}{6 + 4}$

$m= \frac{-5}{10}$

$m = -\frac{1}{2}$

(y - 3) = -1/2 (x + 4)

2(y - 3) = -1(x + 4)

2y - 6 = -x - 4

2y = - x - 4 + 6

2y = - x +2

y = -1/2 x + 1

3 0

3 years ago