3 years ago

Another way to show the sum of 2/10 and 10/100

Mathematics

1 answer:

dem82 [27]3 years ago

4 0

A more simplified way to show this is 3/10

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A ball is thrown into the air. The height h, in feet, of the ball after x seconds is given by the function h = −16(x − 2)2 + 72.

Anon25 [30]

Answer:

A. -16x²+64x+8

B. 72 ft.

Step-by-step explanation: A. Expand the perfect square binomial -16(x²-4x+4)+72, dist. -16 (-16x²+64x-64+72), then combine like terms (-16x²+64x+8)

B. Find the abs. max. by looking back at the vertex form. The max is (2,72). Use the y-value for the height.

3 0

3 years ago

I NEED HELP AGAIN PLEASE 7 7/10+ 7 2/10

Lera25 [3.4K]

The answer is 14.9 or you can say <span>14 </span><span>9/10.</span>

7 0

3 years ago

Read 2 more answers

Estimate the amount of time the trip will take. 100 miles at 40 mph 8 and 1/2 hours 2 and 1/2 hours 4 hours 6 and 1/4 hours

Natasha_Volkova [10]

Answer:

2 1/2 hours

Step-by-step explanation:

Divide 100 by 40 and you get 2.5

7 0

2 years ago

Hospital records show that a certain surgical procedure takes on an average 111.6 minutes with a standard deviation of 2.8 minut

Arisa [49]

Answer:

At least 37.74% of the procedures takes between 97.6 and 125.6 minutes

Step-by-step explanation:

The percentage is the area of the standard normal distribution curve between the values 97.6 and 125.6

The standard normal variate of the given data is found as

$Z=\frac{X-\overline{X}}{\sigma }$

Thus for the given values Z is calculated as under

$Z_1=\frac{97.6-111.6}{2.8}=-5$

Similarly for the other value we have

$Z_2=\frac{125.6-111.6}{2.8}=5$

Thus the area between the calculated values can be found from standard normal distribution table to be 37.74%

8 0

3 years ago

Find the mean of 3,2,4,6,5,6,1,7,9,8,10

LenaWriter [7]

Answer:

$5\frac{6}{11}$

Step-by-step explanation:

Number of Values = 11.

Mean = Sum of values / Number of Values

= $\frac{3+2+4+6+5+6+1+7+9+8+10}{11} \\=\frac{61}{11} \\= 5\frac{6}{11}$

5 0

2 years ago