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Damm [24]
3 years ago
10

Help me plissssss. “

Mathematics
1 answer:
12345 [234]3 years ago
8 0

Answer:

letter A because it's representing 100% plus some so it is increasing.

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sarah the cheetah ran 100 meters at a speed of 16.8 meters per second. an olympian ran the 100 meter dash in 9.6 seconds . how m
Alexus [3.1K]

Answer:

3.6477seconds

Step-by-step explanation:

Sarah the cheetah ran the 100 meters in 5.9523s. Subtract 5.9523 from 9.6

7 0
3 years ago
The radius of a circle is 10 meters. What is the area of a sector bounded by a 90 degree arc?Give the exact answer in simplest f
Wittaler [7]

Since we know a circle has 360 degrees, the sector bounded by a 90 degree arc will be a quarter of circle (360/90 = 4). Then, to calculate the area of that sector, we can calculate the total area of the circle of radius 10, and then divide it by 4.

The area of a cirlce of radius r is:

A=\pi r^2

Then, the area of the sector would be:

A_s=\frac{\pi r^2}{4}A_s=\frac{\pi(10m)^2}{4}=\frac{100\pi}{4}m^2A_s=25\pi m^2

4 0
1 year ago
A farmer planted 2/5 of his 60 acres in beans and 4/10 of his 60 acres in corn. What fraction of the 60 acres had been planted i
yanalaym [24]
The answer is that 48 have been planted with bean and corn and 24 acres is beans and another 24 acres is corn


5 0
3 years ago
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 6.9 years, and standard deviation of
Lostsunrise [7]

ANSWER

0.9738 or 97.38%

EXPLANATION

Given:

\begin{gathered} mean(\mu)=6.9 \\ Standard\text{ }Deviation(\sigma)=1.6 \end{gathered}

Desired Outcome:

Probability that it will last 10 years

z-score for the sample:

\begin{gathered} z-score=\frac{X-\mu}{\sigma} \\ z-score=\frac{10-6.9}{1.6} \\ z-score=1.9376 \end{gathered}

p-value

For the z-score of 1.9376, the p-value is 0.9738 or 97.38%

Hence, the probability that it will last longer than 10 years if you randonly purchase one item is 97.38%

7 0
1 year ago
Jose bought 9 movie tickets for a total of $54. Adult tickets cost $8 each and child tickets cost $3.50. How many adult tickets
MArishka [77]

Answer:

5

Step-by-step explanation:

5 x 8 = 40

3.50 x 4 = 14

4 0
3 years ago
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