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3 years ago

Which number is a factor of 100? O 8 o 12 O 15 O 20

Mathematics

2 answers:

Katena32 [7]3 years ago

8 0

Answer:

Step-by-step explanation:

20X5=100

fgiga [73]3 years ago

3 0

Answer:

20 or d

Step-by-step explanation:

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F(2)if f(x)=2x-5 plz answer

Lena [83]

Answer:

-1

you use the given functions to set up and simplify f(2)

7 0

2 years ago

Yoooooooooooooooooooooooooo can you please help me!?

klemol [59]

She has totally 10+5+3=18 marbles, so the probability is 10/18=5/9. The complement is (9-5)/9=4/9.

Hope this helped!

4 0

2 years ago

Find the simple interest paid to the nearest cent for each loan, interest rate, and time. $500, 12%, 18 months

iris [78.8K]

Answer: The interest is $60

Step-by-step explanation:

500*112%=$560

560/18=$31.11

$60 in interest is paid, or an additional $3.33 a month (Bringing the monthly loan payment to a grand total of $31.11)

4 0

2 years ago

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The life in hours of a 75-watt light bulb is known to be normally distributed with standard deviation σ = 25 hours. A random sam

irina [24]

Answer: a) (1008.34,1019.658) b) (1009.24,1018.76)

Step-by-step explanation:

Since we have given that

n = 75

mean = 1014 hours

Standard deviation = 25 hours

At 95% two sided , z = 1.96

So, confidence interval would be

$\bar{x}\pm z\dfrac{\sigma}{\sqrt{n}}\\\\=1014\pm 1.96\dfrac{25}{\sqrt{75}}\\\\=1014\pm 5.658\\\\=(1014-5.658,1014+5.658)\\\\=(1008.34,1019.658)$

(b) Construct a 95% lower confidence bound on the mean life.

z = 1.65

So, confidence interval would be

$\bar{x}\pm z\times \dfrac{\sigma}{\sqrt{n}}\\\\=1014\pm 1.65\times \dfrac{25}{\sqrt{75}}\\\\=1014\pm 4.76\\\\=(1014-4.76,1014+4.76)\\\\=(1009.24,1018.76)$

Hence, a) (1008.34,1019.658) b) (1009.24,1018.76)

4 0

3 years ago

13. Use the distributive property

Brrunno [24]

Answer:

4x-14 jrjejejeueuueuw

5 0

2 years ago

Read 2 more answers