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3 years ago

Any portion of the circumference of a circle is called a(n)

Mathematics

1 answer:

Alex777 [14]3 years ago

5 0

Any portion of the circumference of a circle is called a radius

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If you use 1/8 lb of ham on each sandwich you make, how many

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176 by multiplying 22 by 8

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2 years ago

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Y over 4 -3=4 what is y?

quester [9]

Answer:

y = 28

Step-by-step explanation:

As I interpret your post, you want to solve

---- - 3 = 4 for y.

First, add 3 to both sides: y/4 = 7.

Next, mult. both sides by 4 to eliminate the fraction: y = 28.

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If a rat grows 1.5 inches a year, how many years will it take the rat to grow to 12.3 inches?

vladimir1956 [14]

You would do 12.3/1.5= 8.2 years

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2 years ago

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4. What is the system of equations that describes the following graph?

GarryVolchara [31]

Answer:

The system of inequalities is

$y$

$y>0.25x$

Step-by-step explanation:

step 1

Find the equation of the dashed line with negative slope

The line passes through the points

(0,-2) and (-2,0)

Find the slope

$m=(0+2)/(-2-0)=-1$

Find the equation of the line in slope intercept form

$y=mx+b$

we have

$m=-1\\b=-2$

substitute

$y=-x-2$

The solution of the inequality is the shaded area below the dashed line

therefore

The equation of the inequality A is

$y$

step 2

Find the equation of the dashed line with positive slope

The line passes through the points

(0,0) and (4,1)

Find the slope

$m=(1-0)/(4-0)=0.25$

Find the equation of the line (direct variation)

$y=kx$

we have

$k=0.25$

substitute

$y=0.25x$

The solution of the inequality is the shaded area above the dashed line

therefore

The equation of the inequality B is

$y>0.25x$

therefore

The system of inequalities is

$y$

$y>0.25x$

4 0

3 years ago

Plz help.

zvonat [6]

$x-\ the price \ of \ the \ gift \ \\ \\ 10\% \ of \ x= \frac{10}{100}*x= \frac{1}{10}*x=\frac{x}{10}- the \ discount \\ \\x^{(10} -\frac{x}{10}= \frac{10x-x}{10}= \frac{9x}{10} -the \ new \ price \ \\ \\4*9.00 \$=36 \$ -the \ price \ after \ discount \\ \\ \frac{9x}{10}=36 =>x=\frac{10*36}{9} \\ \\ \boxed{x=40 \$}$

the variant A.$40.00

5 0

2 years ago