3 years ago

This it to the online school kids

Mathematics

1 answer:

MA_775_DIABLO [31]3 years ago

3 0

Answer:

it averages about 8AM to 11Am so 3 hours

Step-by-step explanation:

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18. When y = x?, which of the following expressions is equivalent to -y ?

vitfil [10]

Answer:

-y=-x

The problem:

y=x then -y=?

Step-by-step explanation:

If y=x, then -y=-x.

Just like if u=9, then -u=-9.

Or, if -m=8, then m=-8.

5 0

3 years ago

A cone-shaped building has a height of 11.4 meters and a base with a diameter of 12 meters. The building will be filled with roa

Lyrx [107]

We know, Volume of a Cone = πr² h/3
v = 3.14 * (6)² * 11.4/3
v = 3.14 * 36 * 3.8
v = 429.552

Now, for 1 m³, it costs = $20
So, for 429.552 m³, it will be: 20 * 429.552 = 8591

In short, Your Answer would be $8591

Hope this helps!

3 0

4 years ago

Read 2 more answers

MATH :(( how do the chart?? <img src="https://tex.z-dn.net/?f=%20-%20x%20%20%5E%7B2%7D%20%20-%209%20%5Cgeqslant%200" id="T

siniylev [52]

Answer:

<h2>no solution</h2>

Step-by-step explanation:

$-x^2-9\geq0\qquad\text{change the signs}\\\\x^2+9\leq0\\\\\text{the parabola}\ x^2\ \text{is op}\text{en up and shifted 9 units up. Therefore is whole}\\\text{over the x-axis (only positive values)}.\\\\\bold{CONCLUSION}:\\\\\bold{no\ solution}$

5 0

3 years ago

Tim rides 3.2 miles on his bike everyday How far does Tim ride in one week

kipiarov [429]

Answer:

22.4

Step-by-step explanation:

Just multiply 3.2 by 7 to get 22.4 miles a week. Easy.

8 0

3 years ago

Find the value of x. Round to the nearest tenth. 27° х 34° 11 X = [ ?

Mumz [18]

Answer:

${ \tt{from \: sine \: rule : }} \\ { \bf{ \frac{ \sin(A) }{A} = \frac{ \sin(B) }{B} }} \\ \\ { \bf{ \frac{ \sin(34 \degree) }{x} = \frac{ \sin(27 \degree) }{11} }} \\ \\ { \bf{x = \frac{11 \times \sin(34 \degree) }{ \sin(27 \degree) } }} \\ \\ { \tt{x = 13.5}}$

8 0

3 years ago