2 years ago

Shawn graphed the points listed below.

Mathematics

1 answer:

Semenov [28]2 years ago

6 0

Answer: A. (4, 4) and (4, 5)

Step-by-step explanation:

The same x value maps onto more than one y value.

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1. Can cross multiplication be used to solve this problem? Why or why not? HELP

garri49 [273]

Answer:

Step-by-step explanation:

Cross multiplication can be used but not in the beginning. First x should be isolated.

$3 +\frac{5}{x}=\frac{7}{x}\\\\$

Now subtract $\frac{5}{x}$ from both sides

$3 = \frac{7}{x}-\frac{5}{x}\\\\3=\frac{7-5}{x}\\\\3=\frac{2}{x}$

In this stage, cross multiplication can be used.

$\frac{3}{1}=\frac{2}{x}\\\\3*x=2*1\\\\x = \frac{2}{3}$

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3 years ago

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Determine the positive number that must be added or subtracted to the expression to complete the square. x ^ 2 - 2x.

eimsori [14]

Answer:

Step-by-step explanation:

take the -2 and divide it by 2

that gives you -1

then square it

now its positive 1

formula is $(b/2)^{2}$

where b is the term next to the x

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3 years ago

-4<3x+5(less than or equal to) 11

Free_Kalibri [48]

Answer:

-3<x<=2

Step-by-step explanation:

-4<3x+5<=11

-5 -5 -5

-9<3x<=6

3 3 3

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3 years ago

What is the greatest common factor of 54z^3 and 18z and 36z^2

emmasim [6.3K]

Answer: 18z

Step-by-step explanation:

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4 years ago

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The function s(t) represents the position of an object at time t moving along a line. Suppose s(1)=122 and s(4)=209. Find the a

Vladimir [108]

Hmm I read it over and over and I don't exactly understand what they're asking?

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3 years ago