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jok3333 [9.3K]
3 years ago
5

Six students all took the same test. Their scores were 70,71,75,75,88, and 89. What is the mean absolute deviation for the test

scores?
A)7
B)7.5
C)75
D)78
Mathematics
1 answer:
ki77a [65]3 years ago
5 0

Answer:D)78

Step-by-step explanation:70+71+75+75+88+89/6

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The wildflowers at a national park have been decreasing in numbers. There were 1200 wildflowers in the first year that the park
Andreas93 [3]

Answer:

Step-by-step explanation:

We have total 1200 wildflowers in first year that is first term a  is 1200

We have to find sigma notation  showing the infinite growth of the wildflowers.

wildflowers=\sum_{i=1}^{\infty }1200(\frac{1}{4})^{i-1}

Formula for infinite sum of GP is S_{\infty}=\frac{a}{1-r}

Here, a=1200,r=\frac{1}{4}

On substituting the values in the formula of sum we get:

S_{\infty}=\frac{1200}{1-\frac{1}{4}}

On simplification we get:

S_{\infty}=\frac{1200}{\frac{3}{4}}=1600

Therefore, total sum of wildflowers 1600.

5 0
3 years ago
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ELEN [110]
I believe it is 3.75 miles. 5 2/5=5.4 and 1 11/25=1.44. 5.4/1.44=3.75.
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3 years ago
Can you pls help me thank you have a good day
KengaRu [80]

Answer:

y = 2x + 3

Step-by-step explanation:

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Oksanka [162]

Answer:

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Step-by-step explanation:

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Hope this helps

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