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3 years ago

The infield of a softball

Mathematics

1 answer:

Lelu [443]3 years ago

6 0

Answer:

84.9

Step-by-step explanation:

The distance between first and third base makes the hypotonus of a triangle where the lengths of the legs are each 60 feet. To find the hypotonus, add (60)^2 + (60)^2 to get 3600 +3600 = 7200. Then square root 7200 to get the distance between first and third as 84.9

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Which is not an equation of the line going through (6, 7) and (2, –1)?

garri49 [273]

Answer - D.

you basically find the equation of the line first and eliminate the wrong answers...

Strategy: before u do any of this, label your coordinates as (X1,Y1) and (X2,Y2) and u can choose any of ur points to be as x1 or x2 or y1 or y1...
basically, I'll choose (6,7) as (x1,y1) and (2,-1) as (x2,y2). SO,

First you have to find the gradient (m) of the line.
you do this by using the formula m = Y2-Y1 / X2-X1 (where '/' is division sign) ....
Put the numbers in their respective places and your gradient will be 2x. we put the x after our number to represent it as a gradient as the straight line formula is y = mx+c and you've found the m.
NOW.
use the formula Y-Y1=m(x-x1) to find the equation of the line.Again u can use any Y1 and X1 here but remember your m is 2

replace the digits and solve...Hopefully you'll get sth like this if you use the points (6,7):
Y-7 = 2(x-6) ....
y=2x-12+7...
Y=2x-5! <<<< this is your straight line equation!
Now all u gotta do is rearrange all your options into y = mx+c.
D. is incorrect as it gives us y=2x+5 and not y = 2x-5 unlike the others

Hope you get it!

7 0

3 years ago

What is the coefficient of x in the expression x+3y+2

Likurg_2 [28]

The coefficient is 1

4 0

3 years ago

Read 2 more answers

Let m(x) = x / x−1

allsm [11]

Answer with Step-by-step explanation:

We are given that a function

$m(x)=\frac{x}{x-1}$

a.We have to find the inverse of m.

Suppose, $y=m(x)=\frac{x}{x-1}$

$yx-y=x$

$yx-x=y$

$x(y-1)=y$

$x=\frac{y}{y-1}$

Replace x by y and y by x

$y=\frac{x}{x-1}$

Substitute $y=m^{-1}(x)$

$g(x)=m^{-1}(x)=\frac{x}{x-1}$

b.When the inverse function of given function is $\frac{x}{x-1}$

Then , we get fog(x)= $f(g(x))=\frac{\frac{x}{x-1}}{\frac{x}{x-1}-1}$

$fog(x)=\frac{x}{x-x+1}=x=I(x)$

When f and g are inverse to each other then fog(x)=Identity function.

c.If f(x)=x

It is self inverse function.

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4 years ago

Which expression is equivalent to 1/2 x + (-70) - 2 1/4 x - (-2)

AnnZ [28]

Answer: I HOPE IT HELPS

Learn how to use the equivalent expression calculator with the step-by-step procedure at BYJU'S. For more ... Step 2: Now click the button “Submit” to get the equivalent expression ... 3(x+3), which is called the equivalent expression ...

OR What are equivalent fractions and how to find them. Multiply the ... 14/70. = 15/75. = 16/80. = 17/85. = 18/90. = 19/95. = 20/100. = 21/105. = 22/110. = ... then try the. Fractions Solve for Unknown X Calculator to find an equivalent fraction. ... Fraction - like 2/3 or 15/16; Mixed number - like 1 1/2 or 4 5/6; Integer - like 5 or 28 ...

Step-by-step explanation:

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4 years ago

How many times longer is one yard than one foot

Licemer1 [7]

3 feet is equivalent to 1 yard

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3 years ago

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