Help me with equations

Answers

Answer 1

Answer: -- Do anything you need to do in order to get 'x' all by itself on one side and everything else on the other side.-- As soon as you do anything to one side of the equation, you must immediately do the same thing to the other side.-- That's the whole book on solving any equation with a single variable.

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What are the common factors of 20 25 and 40

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The greatest common factor is 5

What is 2 3/4 minus 1 5/16?

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Hey there, 2 3/4=11/4 and 1 5/16=21/16, 11*16-21*4/4*16=176-84/64=92/64, 92/64 simplified is 23/16, 23/16 as a mixed number is 1 7/16. Therefore, 2 3/4 minus 1 5/16 = 1 7/16

2 3/4= 11/4 which can be multiplied by 4 to be 44/16. 44-22 equals 22, therefore the answer is 22/16, which can be simplified to 11/8 or 1 3/8.

PLEASE HELP ME?? 10 POINTS?! HELP ASAP.

Answers

Answer:

Last graph (D)

Step-by-step explanation:

$f(x)=x(x-2)(x+4)$

Find the zeros:

$f(x)=0\iff x(x-2)(x+4)=0\iff x=0\ \vee\ x-2=0\ \vee\ x+4=0\n\n\boxed{x=0}\ \vee\ \boxed{x=-2}\ \vee\ \boxed{x=-4}$

A graph with that x-intercepts is the last graph.

The second and third graphs are graphs of the quadratic function.

We have the function third degree (graph A and D).

A tailor used 2 meters of string to make 10 Halloween masks. He used _ of a meter for each mask.

Answers

Answer: He used $(1)/(5)$ of a meter for each mask.

Step-by-step explanation:

Given : A tailor used 2 meters of string to make 10 Halloween masks.

Here, Total length of string = 2 meters

Number of masks = 10

The the part of a meter of string is used for each Halloween mask will be :-

$(2)/(10)=(1)/(5) \text{ meter}$ [Divide total length of string by number of masks]

Hence, he used $(1)/(5)$ of a meter for each mask.

one fifth of a meter for each mask
2/10=1/5

PLZ HELP ASAP!!!! A line has a slope of -1/2 and a y-intercept of 3. Which equations represent the line? Choose all answers that are correct. A. 2y=6 x B. x 2y=6 C. y=-1/2x 3 D. (y-2)=-1/2(x-2)

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slope intercept form is y=mx+b
so y=-1/2x+3 would be correct

B (assuming it's x+2y=6?) and D would also be correct, because you'll get y=-1/2x+3 if you arrange them in the y=mx+c form.

12 = -4(-6x - 3)
Helllppppppppppppppp

Answers

Answer:

x = ZERO

Step-by-step explanation:

In the picture above.

If you want to check, just substitute the value of x in the equation .

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