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bogdanovich [222]
3 years ago
6

I will mark you as the brainiest if you get this correct Thx so much xxx

Mathematics
1 answer:
solong [7]3 years ago
4 0

Answer:

A= 168 minutes or 2 hours and 48 minutes.

B= 3 tyres

Step-by-step explanation:

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which shows the correct substitution of the values a, b, and c from the equation 0 = – 3x2 – 2x 6 into the quadratic formula? qu
zubka84 [21]
-3x^2-2x (+-)6=0 
ax^2+bx+c
a=-3
b=-2
c= either positive or negative 6 (there is no plus or minus in your question.)
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4 0
3 years ago
10.5% of the population is 65 or older. Find the probability that the following number of persons selected at random from 25 peo
julia-pushkina [17]

Given:

The sample size n=25

Probability of population is 65 or older is 10.5%.

This date follows the binomial distribution,

\begin{gathered} n=25,p=0.105 \\ X\rightarrow B(n=25,p=0.105) \end{gathered}

To find the probability that at most 2 are 65 or older,

\begin{gathered} P(X=x)=^nC_x(p)^x(1-p)^{n-x} \\ P(0\leq X\leq2)=P(X=0)+P(X=1)+P(X=2) \\ =^{25}C_0(0.105)^0(1-0.105)^{25-0}+^{25}C_1(0.105)^1(1-0.105)^{25-1}+^{25}C_2(0.105)^2(1-0.105)^{25-2} \\ =0.0625+0.1832+0.2579 \\ =0.5036 \\ \approx0.504 \end{gathered}

Answer: Probability is 0.504 .

8 0
1 year ago
How do you solve number 29? Please step by step
trapecia [35]

Answer:

a) Junnie walked farther than Maurice

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Maurice:

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3 years ago
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Step-by-step explanation:  you can get it on amazon

7 0
3 years ago
I swear I'm not dumb I just cbf rn. I feel like sleeping can someone help?? ​
Trava [24]
D- 3.9, 3.6, 3.3
F- 25/35, 31/35, 36/35 or 1 and 1/35
8 0
3 years ago
Read 2 more answers
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