3 years ago

Could someone help me understand this?

Mathematics

1 answer:

larisa86 [58]3 years ago

5 0

Answer:

8 < x < 40

Step-by-step explanation:

x − 8 must be more than 0, but it can't be greater than 32.

0 < x − 8 < 32

8 < x < 40

A more precise answer would require law of cosines and calculus.

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Marina86 [1]

Answer:

$\frac{2}{k+2}$

Step-by-step explanation:

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2 years ago

1.) Which function in vertex form is equivalent to f(x) = x2 + x +1?

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Hello,

Answer C

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3 years ago

Plz help me with 52 a and b

8090 [49]

A equals 54
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3 years ago

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If y varies directly with x, find the value of y when x = 27 for the direct variation with the given information. y = 7 when x =

ElenaW [278]

Given:

y varies directly with x,

It is given that y = 7 when x = -9.

To find:

The value of y when x = 27 for the direct variation.

Solution:

It is given that y varies directly with x, so

$y\propto x$

$y=kx$ ...(i)

Where, k is the constant of proportionality.

It is given that y = 7 when x = -9. Putting these values in (i), we get

$7=k(-9)$

$-\dfrac{7}{9}=k$

Putting $k=-\dfrac{7}{9}$ in (i), we get

$y=-\dfrac{7}{9}x$

Putting $x=27$ , we get

$y=-\dfrac{7}{9}(27)$

$y=-21$

Therefore, the required value is $y=-21$ .

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3 years ago

A bowling alley offers unlimited bowling for $16.00 or charges $3.75 per game. How many games would you need to bowl for the unl

Maslowich

You would have to play 5 games

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4 years ago