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Brums [2.3K]
2 years ago
5

Please help!! I will give you brainliest!!!

Mathematics
1 answer:
Ilia_Sergeevich [38]2 years ago
4 0
The slope would be 0
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The whole sale cost of bicycle is $75. There is a mark up of 55%. What is the new sale price of the bike
blsea [12.9K]

Answer:

$116.25

Step-by-step explanation:

10% = $7.50

5% = $3.75

7.50 x 5 = 37.50

37.50 + 3.75 = $41.25

$75 + $41.25 = $116.25

Hope this helps !

8 0
2 years ago
Which 3 numbers have the same answer whether they are added or multiplied
andreyandreev [35.5K]

Answer:

1,2,3

Step-by-step explanation:

1x2x3=6

1+2+3=6 best answer

3 0
2 years ago
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Find the equation of the line that is perpendicular to y=3/4x-3 and passes through the point (3,-2)
morpeh [17]

Answer:

Step-by-step explanation:

perp. -4/3

y + 2 = -4/3(x - 3)

y + 2 = -4/3x + 4

y = -4/3x + 2

4 0
2 years ago
A dog breeder would like to know how many Dalmatian puppies are typically born in a litter. He conducts some research and select
podryga [215]

Answer:

c. 6.2 ± 2.626(0.21)

Step-by-step explanation:

We have the standard deviation for the sample, which means that the t-distribution is used to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 101 - 1 = 100

99% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 100 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.99}{2} = 0.995. So we have T = 2.626

The confidence interval is:

\overline{x} \pm M

In which \overline{x} is the sample mean while M is the margin of error.

The distribution of the number of puppies born per litter was skewed left with a mean of 6.2 puppies born per litter.

This means that \overline{x} = 6.2

The margin of error is:

M = T\frac{s}{\sqrt{n}} = 2.626\frac{2.1}{\sqrt{101}} = 2.626(0.21)

In which s is the standard deviation of the sample and n is the size of the sample.

Thus, the confidence interval is:

\overline{x} \pm M = 6.2 \pm 2.626(0.21)

And the correct answer is given by option c.

5 0
3 years ago
Gravitational force acts on all object in proportion to their masses. Why then, a heavy object does not fall faster than a light
nordsb [41]
Because force= acceleration x mass Acceleration is constant for a body of any mass since force is exactly proportional to mass.
7 0
2 years ago
Read 2 more answers
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