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3 years ago

When 5x+4y is subtracted from 5x/4y the difference is

Mathematics

1 answer:

zvonat [6]3 years ago

6 0

Answer:

-8y

Step-by-step explanation:

(5x-4y) - (5x+4y)

5x-4y - 5x-4y

(5x-5x)+(-4y-4y)

-8y

So the difference is -8y

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What is the slope of a line that contains the two points (4, 5) and (9, 7)? *

Sergio039 [100]

Answer:

$\frac{2}{5}$

Step-by-step explanation:

Line contains the points (4, 5) and (9, 7).

$\therefore \: slope = \frac{7 - 5}{9 - 4} = \frac{2}{5} \\$

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4 years ago

A cylinder shaped jar has a radius of 2 cm and a height of 6cm. What’s the volume of the jar?

max2010maxim [7]

The formula to find the volume of a cylinder is v= hㅠr*2, so you can sub the measurements into the formula.

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V = 6ㅠ4

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3 years ago

Find the equation of the line use exact numbers

Mkey [24]

Answer:

y = x - 5

Step-by-step explanation:

Note that when x increases from zero (0) to 5, an increase of 5 units, y increases from -5 to 0, an increase of 5 units.

Thus, the slope of this line is m = rise / run = 5/5 = 1.

The y-intercept is clearly discernable and is (0, -5).

Thus, using the slope-intercept form of the equation of a straight line:

y = 1x - 5, or just y = x - 5.

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3 years ago

Write the equation 0.3x^2+5x-7=0 in standard form and then choose the value of “b”

kotegsom [21]

Answer:

b = 5

Step-by-step explanation:

The given equation is :

$0.3x^2+5x-7=0$ .......(1)

It is in the form of quadratic equation. The general form of a quadratic equation is as follows :

$ax^2+bx+c=0$ .....(2)

Comparing equations (1) and (2), we get :

a = 0.3, b = 5 and c = -7

Hence, the value of b is equal to 5.

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