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anzhelika [568]
3 years ago
8

Cos15°°- Sin 15°= 1/√2​

Mathematics
1 answer:
ololo11 [35]3 years ago
4 0

<h2><u>Refer</u><u> this</u><u> attachment</u></h2>

<u>Hope</u><u> it's</u><u> help</u><u> you</u>

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if a horse is filling a swimming pool at a rate of 20 liters per minute how long will it take to fill the 3600-gallon pool
a_sh-v [17]

Answer:

11.35 hrs

Step-by-step explanation:

13627.482 liters in 3600 gallons÷ by 20 to get how many minutes it would takeand then divide by 60 to reduce your answer into hours.

4 0
3 years ago
Somebody, Anybody please help
taurus [48]
The answer should be 390=60s, assuming s is the number of shelves he would need.

By the way, if you want the answer using this formula:
390=60s
390/60=s
6.5=s
s=6.5
8 0
3 years ago
Read 2 more answers
Marie invests £8000 in an account for one year.
grigory [225]

Answer:

The answer is 1.8

Step-by-step explanation:

pls mark me brainlest

6 0
2 years ago
A construction worker drops a hammer from a height of 25 m.
Snezhnost [94]

Answer:

Time at which the hammer reaches the ground is 2.3 seconds.

Step-by-step explanation:

We are given the formula as, h(t)=-4.9t^2+v_{o}+h_{o}.

It is known that, when height i.e. h_{o}=25 meter, then velocity v_{o}=0 m/sec.

So, we get the formula as, h(t)=-4.9t^2+25.

Now, when the hammer hits the ground, the height h_{o}=0 meter.

Thus, we have,

h(t)=-4.9t^2+25

⇒ 0=-4.9t^2+25

⇒ 4.9t^2=25

⇒ t^2=5.1

i.e. t= ±2.3 sec

Since, time cannot be negative.

So, t= 2.3 sec

Hence, the time at which the hammer reaches the ground is 2.3 seconds.

4 0
3 years ago
Read 2 more answers
1.) Which system of equations below give the solution (-1,-2)?
xxTIMURxx [149]

Answer:

y = -x - 3

Step-by-step explanation:

Plug in -1 for <em>x</em><em> </em>and your result will come out to 1 because of that double negative [-(-1) = 1]. Next, deduct 3 from 1 to get -2.

I am joyous to assist you anytime.

7 0
3 years ago
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