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3 years ago

On a certain map, 1 cm = 12 km actual distance. If two places are 96 km apart, what is their distance on map?

Mathematics

1 answer:

Drupady [299]3 years ago

3 0

Answer:

I think the answer is D. 8 cm

Step-by-step explanation:

96 / 12 = 8 (cm)

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What are the zeros of the quadratic function f(x) = 2x2 + 8x – 3? x = –2 – StartRoot StartFraction 11 Over 2 EndFraction EndRoot

Phantasy [73]

Answer:

The zeros are

$x=-2+\frac{\sqrt{22}}{2}$

$x=-2-\frac{\sqrt{22}}{2}$

Step-by-step explanation:

we have

$f(x)=2x^{2}+8x-3$

we know that

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

$x=\frac{-b\pm\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

Equate the function to zero

$2x^{2} +8x-3=0$

$a=2\\b=8\\c=-3$

substitute in the formula

$x=\frac{-8\pm\sqrt{8^{2}-4(2)(-3)}} {2(2)}$

$x=\frac{-8\pm\sqrt{88}} {4}$

$x=\frac{-8\pm2\sqrt{22}} {4}$

$x=-2\pm\frac{\sqrt{22}}{2}$

therefore

$x=-2+\frac{\sqrt{22}}{2}$

$x=-2-\frac{\sqrt{22}}{2}$

4 0

4 years ago

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Tim deposit 4500 in a savings account that pays 4.5% simple interest. How much interest does she earn into years?

sertanlavr [38]

Answer:

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3 years ago

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mixas84 [53]

1828 cbcndnd d
D
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D
Dmdkd
D
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3 years ago

I need help pls show work dont just answer for the pts..

Marysya12 [62]

Answer:

volume = 24,501.42

Step-by-step explanation: the way i did it:

first find the radius, 34 divided by 2 = 17π

then multiply the radius by itself 17 x 17 = 289

after, multiply 289 by 27 to get 7,803

then multiply 7803 by 3.14 to get 24,501.42

Hope this is correct!

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3 years ago

Giving brainliest for CORRECT awnser.

Doss [256]

Answer: x - 8

Step-by-step explanation:

Factor it and you'll be fine.

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3 years ago