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2 years ago

Please please helppp

Mathematics

1 answer:

Leya [2.2K]2 years ago

6 0

Answer:

This isn't really that hard to solve.

Step-by-step explanation:

For the first one (H): 3 units to the left of 0.

This has to mean that our integer will be negative, and thus, -3 should be written. To the right of 0 would mean it's positive. So, you would find the spot for -3 on the number line and write the letter "H."

The last one (H): not positive or negative.

This means that the integer would have to be 0, as it satisfies the condition that the integer is neither positive (+) nor negative (-). So, you would find the spot marked 0 on the number line and write the letter "H."

If you have any more questions, I would be happy to help, but, personally, this seems like a straightforward assignment.

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PULATION.

Anni [7]

Answer:

62%

Step-by-step explanation:

$\frac{1240}{2000} \times 100 = 64\%$

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2 years ago

Helpppppppppppppppppppp!

Advocard [28]

It looks like this is a square pyramid net, and to find the surface area you need to know the base and height. By looking at the image 5 ft is the height and the base is 3 ft.

The surface area of the square pyramid is 40.32

hope this helps!

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3 years ago

ASAP EASY!!!!!!!!!!!

inna [77]

Answer:

I think 15%

Step-by-step explanation:

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-Ash

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2 years ago

Read 2 more answers

A rocket is launched from the top of a 99-foot cliff with an initial velocity of 122 ft/s.

Harman [31]

Remember that c is the initial height. Since we the rocket is in a 99-foot cliff, c=99. Also, we know that the velocity of the rocket is 122 ft/s; therefore v=122
Lets replace the values into the the vertical motion formula to get:
$0=-16 t^{2} +122t+99$
Notice that the rocket hits the ground at the bottom of the cliff, which means that the final height is 99-foot bellow its original position; therefore, our final height will be h=-99
Lets replace this into our equation to get:
$-99=-16 t^{2} +122t+99$
$-16 t^{2} +122+198=0$

Now we can apply the quadratic formula $t= \frac{-b+or- \sqrt{ b^{2} -4ac} }{2a}$ where a=-16, b=122, and c=198
$t= \frac{-122+or- \sqrt{ 122^{2}-(4)(-16)(198) } }{(2)(-16)}$
$t= \frac{-122+ \sqrt{27556} }{-32}$ or $t= \frac{-122- \sqrt{27556} }{-32}$
$t= \frac{-122+166}{-32}$ or $t= \frac{-122-166}{-32}$
$t= \frac{-11}{8}$ or $t=9$

Since the time can't be negative, we can conclude that the rocket hits the ground after 9 seconds.

5 0

3 years ago

Read 2 more answers

22. The height of a triangle is 4 centimeters less than the base. Write a function that

torisob [31]

The function is y = 1/2 x² - 2 x and the base of the triangle cannot be 3 cm.

let the base of the triangle be x

Height of the triangle = x - 4

Area of triangle = 1/2 × base × height

Area = 1/2 × x × (x-4)

Area = 1/2 (x² - 4x)

Area = 1/2 x² - 2 x

We can also write it as a function:

y = 1/2 x² - 2 x

Domain = (3 , ∞)

Range = [0, ∞)

Since 3 is not included in the domain, base of the triangle cannot be 3 cm.

Therefore, the function is y = 1/2 x² - 2 x and the base of the triangle cannot be 3 cm.

Learn more about function here:

brainly.com/question/2456547

#SPJ9

6 0

1 year ago