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Kazeer [188]
3 years ago
13

Miss Hudspeth has a supply of 30% alcohol solution and a supply of 50% alcohol solution. How much of each solution should she mi

x together to get 60mL of 34% alcohol solution for an experiment in her chemistry class
Mathematics
1 answer:
Vikki [24]3 years ago
6 0
Um id say 20% of the 30% solution and 14% of the 50 % i think, does it give you answer choices?
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Izracunaj opseg i povrsinu kruga upisanog u kvadrat stranice duljine 8 cm.
Nutka1998 [239]
(In English), your question would state the following:


<span>Calculate the circumference and circumference of the circle entered in a square 8 cm long.
</span>
So when finding the answer this this question, we know that the circumference would be the complete area of a circle.

So, I believe we would want to find what is the radius and the diameter that would make this circumference 8^c^m.

The radius would then be (1.274).
__________________________________________________________

Now in your own language (Croatian).

<span>Dakle, kad pronađemo odgovor na ovo pitanje, znamo da bi opseg bio cjelokupno područje kruga. Dakle, vjerujem da bismo željeli otkriti što je radijus i promjer koji bi ovaj opseg mogao učiniti 8cm. Radijus bi onda bio (1.274).</span>




6 0
3 years ago
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La parte superior de un edificio de 48m de altura es observada bajo un ángulo de elevación de 53°. ¿Cuál es la distancia entre e
mrs_skeptik [129]

Answer:

what are you saying

Step-by-step explanation:

5 0
3 years ago
Water is flowing into a large spherical tank at a constant rate. Let V (t) be the volume of water in the tank at time t, and h(t
aleksley [76]

Answer:

See solutions for detail.

Step-by-step explanation:

a.  \frac{dV}{dt} is the instantaneous rate of change of volume given with respect to time, t.

The volume's rate of change is written as a function of time.

-\frac{dh}{dt} is the rate of change in the height of water in the tank with respect to time, t.

b.  \frac{dV}{dt}- is the only constant. Water flows into the constant at a constant rate, say 6cm^3 per minute.

c. \frac{dV}{dt} is positive. Volume water in the take  is increasing from time to time.

-The volume at time t=1 is greater than the volume at t=0, hence, it's a positive rate of change.

d. \frac{dh}{dt} is a positive rate. The initial height of water in the tank is zero.

-The final height at time t is 0.25h. The height is increasing with time.

Hence, it is positive.

8 0
3 years ago
Answer plsss as soon as possible
shtirl [24]

Answer:

Step-by-step explanation:

both angles must add up to 180 so

6x+12+3x+63 must =180

= 9x+75

9x+75=180

     -75  -75

9x=105

x=11.66

meaning A is approximately 81.96

3 0
2 years ago
The watch at Macys is $400. The store is having a sale and everything is 30% off. What is the discount amount?
sweet-ann [11.9K]
The answer would be $280.00 and that’s just simple as that :)
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3 years ago
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