3 years ago

Express a decade as a percentage of a century

Mathematics

1 answer:

Arlecino [84]3 years ago

4 0

A decade is 10% of a century because a decade is 10 years and a century is 100 years, so it’s 10/100=10%!

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The sum of 2 consecutive odd integers is 52. If x represents the smaller integer, then the larger integer is

julsineya [31]

Answer:

Step-by-step explanation:

2x+2=52

2x=50

x=25

x+2=27

5 0

3 years ago

Read 2 more answers

The sample consisted of 50 night students, with a sample mean GPA of 3.02 and a standard deviation of 0.08, and 25 day students,

bulgar [2K]

Answer: The test statistic is t= -0.90.

Step-by-step explanation:

Since we have given that

n₁ = 50

n₂ = 25

$\bar{x_1}=3.02\\\\\bar{x_2}=3.04\\\\\sigma_1=0.08\\\\\sigma_2=0.06$

So, s would be

$s=\sqrt{\dfrac{n_1\sigma_1^2+n_2\sigma_2^2}{n_1+n_2-2}}\\\\s=\sqrt{\dfrac{50\times 0.08^2+25\times 0.06^2}{50+25-2}}\\\\s=0.075$

So, the value of test statistic would be

$t=\dfrac{\bar{x_1}-\bar{x_2}}{s(\dfrac{1}{n_1}+\dfrac{1}{n_2})}\\t=\dfrac{3.02-3.04}{0.074(\dfrac{1}{50}+\dfrac{1}{25})}\\\\t=\dfrac{-0.04}{0.074(0.02+0.04)}\\\\t=\dfrac{-0.04}{0.044}\\\\t=-0.90$

Hence, the test statistic is t= -0.90.

7 0

3 years ago

Please help! thanks :)

jeka94

Answer:

B- 583

Step-by-step explanation:

6% of 550 is 33. So, you just add 33 to 550 which equals 583.

Your welcome!

3 0

3 years ago

How many possible outcomes are in spinning a spinner divided into red, yellow, orange, purple, blue, and pink?

Sedbober [7]

Answer:

Possible outcomes = 6

Step-by-step explanation:

Since the spinner is divided into red, yellow, orange, purple, blue and pink

Total of 6 colors.

3 0

2 years ago

Explain your answer please.

andriy [413]

Just do length x width x height

7 0

3 years ago

Express a decade as a percentage of a century​

Express a decade as a percentage of a century