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netineya [11]
3 years ago
5

Students are voting on the color of T-shirts to wear on their field trip. There are 160 students–65 boys and 95 girls–going on t

he field trip. A random sample of students is chosen. Surveying the random sample produced a representative sample of the population. Which was most likely true of the representative sample?
Mathematics
2 answers:
Zina [86]3 years ago
5 0

Answer:

that a more girls will be selected then boys  

Step-by-step explanation:

plz mark biarnliest

garik1379 [7]3 years ago
5 0

Answer:

there mire girls than boys that are getting pick

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If y=e5t is a solution to the differential equation
a_sh-v [17]

Answer:

k = 30, y(t) = C_1e^{5t}+C_2e^{6t}

Step-by-step explanation:

Since y=e^{5t} is a solution, then it must satisfy the differential equation. So, we calculate the derivatives and replace the value in the equation. We have that

\frac{d^2y}{dt^2} = 25 e^{5t},\frac{dy}{dt} = 5e^{5t}

Then, replacing the derivatives in the equation we have:

25e^{5t}-11(5)e^{5t}+ke^{5t}=0 e^{5t}(25-55+k) =0

Since e^{5t} is a positive function, we have that

25-55+k = 0 \rightarrow k = 30.

Now, consider a general solution y(t) = Ae^{rt}, A \in \mathbb{R}, then, by calculating the derivatives and replacing them in the equation, we get

Ae^{rt}(r^2-11r+30)=0

We already know that r=5 is a solution of the equation, then we can divide the polynomial by the factor (r-5) to the get the other solution. If we do so, we get that (r-6)=0. So the other solution is r=6.

Therefore, the general solution is

y(t) = C_1e^{5t}+C_2e^{6t}

8 0
3 years ago
A quadrilateral has angle measures of 120°, 37°, and 48°. What is the measure of the fourth angle?
White raven [17]
155 degrees because the sum of the angles in a quadrilateral is 360 degrees.
x + 120 + 37 + 48 = 360
x= 155
5 0
3 years ago
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Help Please. im giving 20 points
UNO [17]

Answer:the other leg is 6

Step-by-step explanation:

13-5=6 so math dosent lie so if I’m not mistaken your answer would be 5!!! Have a good day, hope it helps!

4 0
2 years ago
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Is 15/16 bigger than less than or equal to 1/2
maxonik [38]

Answer:15/16 > 1/2

Step-by-step explanation:

4 0
3 years ago
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Delvig [45]

Answer:

D 483

Step-by-step explanation:

Option D is the correct answer.

7 0
3 years ago
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