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3 years ago

NEED HELP NOW. I need help finding the x-intercepts.

Mathematics

1 answer:

Bingel [31]3 years ago

5 0

Answer:

To find the x-intercepts we can write:

0 = -1/2(x + 3)² + 4

0 = -1/2(x² + 6x + 9) + 4

0 = -1/2x² - 3x - 9/2 + 4

0 = -1/2x² - 3x - 1/2

0 = x² + 6x + 1

x = -3 ± 2√2 (use quadratic formula)

As a decimal this can be written as x = -5.83, x = -0.17.

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I need help on this problem

Arte-miy333 [17]

Answer: $QR=4.04$

Step-by-step explanation:

For this exercise you must use the followinG Trigonometric Identity:

$tan\alpha=\frac{opposite}{adjacent}$

In this case, given the right triangle PQR, you can identify that:

$\alpha=60\°\\opposite=PR=7.0\\adjacent=QR$

Then, the next step is to substitute those values into $tan\alpha=\frac{opposite}{adjacent}$ :

$tan(60\°)=\frac{7.0}{QR}$

And the final step is to solve for "QR" in order to find its value.

So you get that this is:

$(QR)(tan(60\°))=7.0\\\\QR=\frac{7.0}{tan(60\°)}\\\\QR=4.04$

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3 years ago

for every part produced by a factory, there are 5 ounces of scrap aluminum that can be recycled. there are 16 ounces in 1 pound

Delicious77 [7]

1 ton = 2000 pounds
2000*16=32000ounces
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6 0

4 years ago

1. What would the value of the inverse of f(x) be if x=27? *

lara31 [8.8K]

Answer:

Y = 1/27x

Step-by-step explanation:

In order to find the inverse we switch places with x and y to get x = y27. In order to even out the equation, we divide both sides by 27 to get our answer. The answer would be y = x/27 or y = (1/27)x.

Apologies if I'm incorrect.

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3 years ago

-6x - 36 > -12 please help me

ZanzabumX [31]

Answer:

x<-4

Step-by-step explanation:

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3 years ago

saul85 [17]

Answer:

I think his age is 39.

Step-by-step explanation:

If Cesar's age was 2 times Rosa's 6 years ago, that means their combined ages 6 years ago was 66. 66 dived by 2 is 33 and 33 plus the 6 years is 39.

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3 years ago

Read 2 more answers