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Luda [366]
3 years ago
15

Can someone please check my answer, if it’s wrong please correct me Thank you

Mathematics
1 answer:
Katena32 [7]3 years ago
3 0
I don’t think that’s right.
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A farmer estimated that there were 25 gallons of water left in a tank. If this is an underestimate by 16%, how much water was ac
djyliett [7]

Answer:

The actual water in the tank is 29.76 gallons.

Step-by-step explanation:

It is given that the farmer estimated amount of water is 25 gallons.

It is also given that he underestimate the water in tank by 16%.

Let the actual water in tank be x.

(1-\frac{16}{100})x=25

(\frac{100-16}{100})x=25

84x=25\times 100

x=\frac{2500}{84}

x=29.7619

x\approx 29.76

Therefore the actual water in the tank is 29.76 gallons.

8 0
3 years ago
Mr. Rr the Rreliable Rrobot has been programmed to whistle every 18 seconds and do a jumping jack every 42 seconds, starting fro
posledela
What is this question asking for as an answer? It only has the robot's situation listed, not what the question is. Could you please put the question into further detail?
6 0
3 years ago
The power generated by an electrical circuit (in watts) as a function of its current xxx (in amperes) is modeled by:
vodka [1.7K]

Answer:

<em>300watts</em>

Step-by-step explanation:

Given the power generated by an electrical device modeled by the equation

P(x) = -12x²+120x

The maximum power generated occurs when dP(x)/dx = 0

dP(x)/dx = -24x+120 = 0

-24x + 120 = 0

-24x = -120

x = 120/24

x = 5

Substitute x = 5 into the modeled function to get the maximum power as shown;

Recall that: P(x)=-12x^2+120x

P(5) = -12(5)² + 120(5)

P(5) = -12(25) + 600

P(5) = -300+600

P(5) = 300

<em>Hence the maximum power generated by the circuit is 300watts</em>

5 0
3 years ago
Read 2 more answers
How is 7 21/25 written as a decimal
aivan3 [116]
 Im pretty sure the answer is 7.84. i got this because 7 is a whole number so it is in the whole number spot. Then, you have to get your denominator to 100. So, what times 25 equals 100? its 4. so you get 100 so whatever you do to your denominator you do to your numerator. so 21 times 4 is 84. so 84/100 is actually 7.84. Hope this helped
7 0
3 years ago
Which option describes the solution of this system of inequalities? 2x + y 3 and x + 3y 3
Nitella [24]
The answer is 2x +y 3 and i hope i helped :) :)
8 0
3 years ago
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