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Dmitry [639]
3 years ago
10

Tonya and Emily each have an online jewelry store. Let T represent the amount of money Tonya earns daily, and let

Mathematics
2 answers:
Shkiper50 [21]3 years ago
7 0
D; on average, tonya makes $312 more than emily on a typical day. let me know if you want an explanation.
zubka84 [21]3 years ago
3 0

Answer:

On average, Tonya makes $312 more than Emily on a typical day.

Step-by-step explanation:

I was just studying that question a few hours ago

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a randon sample of 16 bookcases in one company have a mean height of 67.5 inches and a standard deviation of 2.1 inches. Constru
Lynna [10]

Answer:

For 99% of confidence interval is 67.5±1.3524

Step-by-step explanation:

Given:

Mean height =67.5 inches

Standard deviation:2.1 inches

Z at 99%.

No of samples 16.

To find:

confidence interval

Solution:

We have formula for confidence interval,

=mean ±Z*{standard deviation/sqrt(no.of observation)}

Now

Z=99%

has  standard  value as ,

Z=2.576

Confidence interval= mean±Z{standard deviation/sqrt(No. of samples)}

=67.5±2.57{(2.1/sqrt(16)}

=67.5±2.576(2.1/4)

=67.5±1.3524

5 0
3 years ago
A rectangular garage is 6 meters long and 5 meters wide. What is its area?
Sunny_sXe [5.5K]

Answer:

30 meters

Step-by-step explanation:

You MUST multiply 5 and 6 to get 30 to find area you have to multiply length times width

8 0
3 years ago
Read 2 more answers
What is equation for the line that is perpendicular to y-3=-4(x+2) and passes through the point (-5,7)
jekas [21]

Answer:

y-7=1/4(x+5)

Step-by-step explanation:

y-3=-4(x+2)

y=-4x-8+3

y=-4x-5

-----------

y-y1=m(x-x1)

y-7=m(x-(-5))

y-7=m(x+5)

perpendicular means negative reciprocal of the slope,

so the slope will be 1/4

y-7=1/4(x+5)

4 0
3 years ago
Please help me i dont understand this
DiKsa [7]
You have to find slope which is Y=MX+B so it would be m as slope so u then solve
5 0
3 years ago
Read 2 more answers
A triangle has 3 angles and one has 35 degrees and the other has 35 degrees and 90 degrees. There is also a wide angle next to t
SIZIF [17.4K]
Since the triangle is isosceles, (it has 2 equal angles). We can easily figure out what the outside angles are because they are the same. When finding an outside angle, you subtract the inside angle next to it by 180 degrees for your answer.

180- 35= 145 degrees

The outside angles are equal to 145 degrees.

I hope this helps!
~kaikers
5 0
3 years ago
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