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ZanzabumX [31]
3 years ago
10

Plz answer these questions need help

Mathematics
1 answer:
kvv77 [185]3 years ago
5 0
25. The equation would be 8x6. The answer...48.
26. The equation is 6 divided by 1/3. To do this, multiply 6/1 by 3/1. This gives you 18. She ran 18 miles a month. To check this answer, see if 1/3 of 18 is 6.
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Suppose that public opinion in a large city is 55% in favor of increasing taxes to support renewable energy and 45% against such
Harman [31]

Answer:

The approximate probability that more than 360 of these people will be against increasing taxes is P(Z> <u>0.6-0.45)</u>

                                              √0.45*0.55/600

The right answer is B.

Step-by-step explanation:

According to the given data we have the following:

sample size, h=600

probability against increase tax p=0.45

The probability that in a sample of 600 people, more that 360 people will be against increasing taxes.

We find that P(P>360/600)=P(P>0.6)

The sample proposition of p is approximately normally distributed mith mean p=0.45

standard deviation σ=√P(1-P)/n=√0.45(1-0.45)/600

If x≅N(u,σ∧∧-2), then z=(x-u)/σ≅N(0,1)

Now, P(P>0.6)=P(<u>P-P</u>   >     <u>0.6-0.45)</u>

                             σ          √0.45*0.55/600

=P(Z> <u>0.6-0.45)</u>

       √0.45*0.55/600

8 0
3 years ago
Jamal wants to find the sum of 6/10 and 17/100. He says the sum is twenty-three hundreths. What was his mistake?
Veseljchak [2.6K]
His mistake is he didn't make 6/10 to 60/100 he added them without changing the 6/10
5 0
3 years ago
Use the discriminant to describe the roots of each equation. Then select the best description. 3x2 - 10 = 0. A) Double root B) R
Mademuasel [1]

1. discriminant = b^2 - 4ac = (-5)^2 - (4 x 1 x 7) = 25 - 28 = -3  [imaginary root]


2. discriminant = (-5)^2 - (4 x 1 x -4) = 25 - (-16) = 25 + 16 = 41  [real and irrational root]


3. discriminant = (8)^2 - (4 x 16 x 1) = 64 - 64 = 0    [double root]


Read more on Brainly.com - brainly.com/question/1698047#readmore




hope it helps

4 0
3 years ago
Read 2 more answers
A runner can run 20 miles in 150 mins if she runs at that speed what is her pace in mins per mile
juin [17]

Answer:7.5

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Whats the slope of this line?
zhannawk [14.2K]
Slope = (y2 - y1)/(x2 - x1) = (10 - 70)/(5 - (-15)) = -60/(5 + 15) = -60/20 = -3
6 0
3 years ago
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