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3 years ago

Determine the point of intersection of the lines y = - 5/2 x and y = -x + 3 by graphing.

Mathematics

1 answer:

jeka943 years ago

5 0

Answer:

intersection point (-2,5)

Step-by-step explanation:

the line y = - 5 / 2 x you do the reciprocal which gets you x = -2 y = 5

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If 6/10r=6/7, then what is r?

crimeas [40]

Answer:

Answer is 10/7

Step-by-step explanation:

[tex] (\frac{6}{10} )r = \frac{6}{7} \\ cancelling \: 6 \: on \: both \: sides \\ (\frac{1}{10} )r = \frac{1}{7} \\ \frac{r}{10} = \frac{1}{7} \\ r = \frac{10}{7} \: \\

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3 years ago

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anzhelika [568]

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3 years ago

If a cylinder with height 9 inches and radius rr is filled with water, it can fill a certain pitcher. How many of these pitchers

katrin2010 [14]

Answer:

9 pitchers

Step-by-step explanation:

Given

Cylinder 1:

$Radius = r$

$Height = 9$

Cylinder 2:

$Radius = 3r$

$Height = 9$

Required

How many pitchers' cylinder 2 can fill

First, we calculate the volume of both cylinders

Volume is calculated as:

$Volume = \pi r^2h$

For A:

$V_A = \pi r^2*9$

$V_A = 9\pi r^2$

For B:

$V_B = \pi (3r)^2 * 9$

$V_B = \pi *9r^2 * 9$

$V_B = 9* 9\pi r^2$

In (a): $V_A = 9\pi r^2$

So, we have ve:

$V_B = 9*V_A$

$V_B = 9V_A$

If the first cylinder can fill 1, then the second can fill 9 pitchers

7 0

3 years ago

Write the polynomial in terms of its linear factors. P(x) = 2x^4 - 4x^3 - 16x^2

mojhsa [17]

Answer:

P = 2x^3 - 4x^2 - 16x

Step-by-step explanation:

Only 1 step: divide both sides by x

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3 years ago

What conversion factor can be used to convert the number of blocks to the weight of the blocks, in pounds?

Alexxandr [17]

above, -6 and -1 2x2 - 6x - 1x - 3. Step-4 :

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3 years ago