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2 years ago

What is 35 percent of 135

Mathematics

2 answers:

Natalka [10]2 years ago

6 0

<h2>Answer:</h2><h2>47.25</h2><h2 /><h2>Hope this helps!!</h2>

frutty [35]2 years ago

4 0

Answer:

it is 47.25 I think :] I'm not the best at that kind of stuff but I think that's the answer

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julia-pushkina [17]

Answer:

sjkdfskdkhsdfkjsdfskdhfksdfhskjfh

Step-by-step explanation:

8 0

3 years ago

One teaspoon equals 0.5 centiliters. How many liters equal 50 teaspoons? Round the answer to the nearest hundredth. 0.25 liters

USPshnik [31]

50 teaspoons = 0.246446 liters
0.246446 rounded to the nearest hundredth is 0.25

so your answer is 0.25

7 0

2 years ago

Read 2 more answers

The half-life of a certain tranquilizer in the bloodstream is 22 hours. How long will it take for the drug to decay to 90% of

nasty-shy [4]

Answer:

It will take approximately 3.34 hours for the drug to decay to 90% of the original dosage

Step-by-step explanation:

As suggested, we use the formula for exponential decay:

$A(t)=A_0\,e^{-k\,t}$

From the given information, the half life of the drug in blood id 22 hours, so that means that it takes that number of hours to go from the initial value $A_0$ , to a final value equal to $A_0/2$ . Using this information we can find the decay rate "k" by solving for this parameter in the formula, and using the natural log function to bring the exponent down:

$A(t)=A_0\,e^{-k\,t}\\\frac{A_0}{2} =A_0\,e^{-k\,*22}\\\frac{A_0}{A_0*2} =e^{-k\,*22}\\\frac{1}{2} =e^{-k\,*22}\\ln(\frac{1}{2})=-k\,*22\\ k=-\frac{ln(\frac{1}{2})}{22} \\k=0.0315$

Now we use this value for the decay rate "k" to calculate how long it would take to decay to 90% of the original dose;

$A(t)=A_0\,e^{-0.0315\,t}\\0.9*A_0} =A_0\,e^{-0.0315\,t}\\\frac{0.9*A_0}{A_0} =e^{-0.0315\,t}\\0.9 =e^{-0.0315\,t}\\ln(0.9)=-0.0315\,t\\ t=-\frac{ln(0.9)}{0.0315} \\t=3.3447\,hours$

7 0

2 years ago

The hike to the campsite is 4 km long if we take turns carrying the tents for 4/5 of a kilometer meter how many times will the t

andrey2020 [161]

Total Distance = 4km

Each person takes 4/5km

Calculate the number of times the tent has to change hands:

$4 \div \dfrac{4}{5} = \dfrac{4}{1} \times \dfrac{5}{4} = \dfrac{5}{1} = 5$

$\boxed {\boxed { \text {Answer: The tent will have to change hands 5 times.} } \\ \\ }$

6 0

2 years ago

Read 2 more answers

Two sets of three consecutive integers have a property that the product of the larger two is

skelet666 [1.2K]

Answer:

{1, 2, 3}, {3, 4, 5}

Step-by-step explanation:

Write expressions for three consecutive integers: n, n + 1, n + 2.

Set up an equation for the verbal description: the product (mulitplication) of the two larger integers (the last two) is one less than 7 times the smallest (the first one).

(n + 1)(n + 2) = 7n - 1

Multiply (FOIL) the left side.

n^2 + 3n + 2 = 7n - 1

Subtract 7n and subtract 1 to make the right side 0.

n^2 - 4n + 3 = 0

Factor.

(n - 1)(n - 3) = 0

Set the two factors equal to 0

n - 1 = 0, n - 3 = 0

Solve for n.

n = 1, n = 3

One set of integers begins with 1, so it's {1, 2, 3}.

The other set begins with 3, so it's {3, 4, 5}

5 0

2 years ago