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sashaice [31]
3 years ago
5

HELP ME!!!! I am so Confused with this!

Mathematics
1 answer:
horsena [70]3 years ago
8 0

Answer:

C

Step-by-step explanation:

A: y=1.6X

B: y=2.5x

D: y=2x

C doesn't have a proportional relationship between X and Y

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Marco starts getting ready for soccer practice at 3:55 P.M. if it takes him 15 minutes to get ready, what time is he ready to le
IceJOKER [234]

Answer:

4:10 PM

Step-by-step explanation:

15 minutes can be slit into 5 minutes and 10 minutes

There are 60 minutes in an hour!

3:55 + 0:05 = 4:00

4:00 + 0:10 = 4:10

8 0
2 years ago
TotCo is developing a new deluxe baby bassinet. If the length of a newborn baby is normally distributed with a mean of 50 cm and
Delicious77 [7]

Answer:

<em>The interior length of the bassinet to ensure that 99 percent of newborn babies will fit   = 1.7 cm</em>

Step-by-step explanation:

<u><em>Explanation:</em></u>-

<em><u>step(i):</u></em>-

Given mean of population = 50 cm  

<em>standard deviation of Population = 5 cm</em>

<em>Given Margin of error = 10 cm</em>

<em>The Margin of error is determined by </em>

<em></em>M.E = \frac{Z_{\alpha } S.D}{\sqrt{n} }<em></em>

<u><em>Step(ii)</em></u><em>:-</em>

<em>Given level of significance ∝ = 99 % or 1 %</em>

Z₀.₀₁ = 2.576

10 = \frac{2.576 X 5}{\sqrt{n} }

\sqrt{n}  = \frac{2.576 X 5}{10}

√n = 1.3

squaring on both sides , we get

<em>n = 1.69≅ 1.7 cm</em>

<u><em> Final answer:</em></u>-

<em>The interior length of the bassinet to ensure that 99 percent of newborn babies will fit   = 1.7 cm</em>

4 0
3 years ago
What is 9$ discounted to 4$ in percent form?
faust18 [17]
9 dollars is 4 dollars.
Let's find the percent form of the discount
=> 4 dollars / 9 dollars =  0.44
Now, let's convert it to percentage
=> 0.44 * 100% = 44%
Thus the discount is 44%

4 0
3 years ago
What is the tens fact for 14-6
sasho [114]
14-6=8 and its 10 x1
4 0
3 years ago
If the present value of an investment is $5,000, what will be its future value in three years if you apply a compound interest o
Nimfa-mama [501]
5000(1+0.05)^3==5,788.125
4 0
3 years ago
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