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Vinil7 [7]
3 years ago
7

Jeffery wants to save the same amount of money each week to buy a new bike. He needs $224.If he wants the bike in 14 weeks, how

much money should Jeffery save each week?
Mathematics
1 answer:
a_sh-v [17]3 years ago
5 0

Answer:

16 dollars per week

Step-by-step explanation:

Divide 224 by 14

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Find the area of the region under the graph of the function f on the interval
vlada-n [284]

Answer:

9/2

Step-by-step explanation:

this is a simple integral function

given limits of interval [a,b] of a continuous function f(t), you can find the area under the curve by using:

\int\limits^a_b {f(t)} \, dt

\int\limits^3_0 {3x-x^2} \, dx

using the fundamental theorem of calculus that states the integral of f(x) in the interval [a,b] is  = g(a)-g(b), where g(x) is the antiderivative of f(x)

our g(x) = \frac32x^2-\frac13x^3

g(3)-g(0) = g(3) = 27/2 - 27/3 = 27/2-9 = 9/2

8 0
3 years ago
The probability that an individual is left-handed is 0.12. in a class of 39 students, what is the probability of finding five le
Snezhnost [94]

We are given:

p = probability = 0.12<span>
n = total students = 39 </span>

x = left handers = 5<span>
u = mean = p* n = 4.68 
σ = standard dev = √ ( n*p*(1-p)) = √ ( 39 * 0.12 * 0.88 ) = 2.03</span>

 

Calculating for the z score:

z = (x – u) / σ<span>
z = (5 – 4.68) / 2.03</span>

<span>z = 0.1576 = 0.16

</span>

Using the standard tables for z, the p value is:

p value = 0.5636 = 56.36%

 

Hence there is a 56.36% chance.

<span> </span>

8 0
3 years ago
Read 2 more answers
I need help, FAST!!!!!
aleksandr82 [10.1K]
The answer is 228.06
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How many liters of a 90% acid solution must be added to 6 liters of a 15% acid solution to obtain a 40% acid solution?
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3 liters must be added

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2 years ago
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