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asambeis [7]
3 years ago
12

Find the area of the circle with the given diameter. d = 28 inches

Mathematics
1 answer:
alexdok [17]3 years ago
4 0

Answer: 196pi in.^2

Step-by-step explanation:

Divide the diameter by two.

You would get 14, then square it, you would get 196.

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Tell whether the equation has one, zero, or infinitely many solutions.2(x − 3) + 4 = 1x − 5.
tankabanditka [31]

Answer:one solution

Step-by-step explanation:

x=-3, TeR

3 0
3 years ago
The speed limit sign on the freeway said 110 kilometers per hour, but the speedometer on Cesar's car is calibrated in miles per
Lisa [10]

Answer:

68.2 miles per hour

Step-by-step explanation:

Speed limit = 110 kilometers per hour

1 kilometer = 0.62 miles

110 kilometers = x miles

Cross product

1*x = 0.62*110

x = 68.2 miles

Cesar should drive at 68.2 miles per hour to avoid a speeding ticket

110 kilometers per hour = 68.2 miles per hour

6 0
2 years ago
If an event has a 55% chance of happening in one trial, how do I determine the chances of it happening more than once in 4 trial
aev [14]

The chances of it happening more than once in 4 trials is 13%

<h3>How to determine the number</h3>

From the information given, we have can deduce that;

Probability of 1 trial = 55%

= 55/ 100

Find the ratio

= 0. 55

We are to find the probability of it happening more than once in 4 different trials

If the probability of it happening in one trial is 555 which equals 0. 55

Then the probability of it happening in 1 in 4 trials is given as;

P(1/4 trials) = 1/ 4 × 55%

P(1/4 trials) = 1/ 4 × 0. 55

Put in decimal form

P(1/4 trials) = 0. 25 × 0. 55

P(1/4 trials) = 0. 138

But we have to know the percentage

= 0. 138 × 100

Multiply the values, we have

= 13. 8 %

Thus, the chances of it happening more than once in 4 trials is 13%

Learn more about probability here:

brainly.com/question/24756209

#SPJ1

6 0
2 years ago
50 points if you answer correctly
rewona [7]

Answer:

f(3) =  {3}^{2}  + 5(3) - 9 \\ f(3) = 9 + 15 - 9 \\ f(3) = 15

3 0
3 years ago
Read 2 more answers
Use two unit multipliers to convert 135 square miles to square feet
Inessa [10]

You only need one of them:

               (135 mile²)  x  (5,280 feet/mile)²

           =  (135 mile²)  x  (27,878,400 feet²/mile²)

           =      (135  x  27,878,400)  mile² - feet² / mile²

           =          3,763,584,000  feet²
5 0
3 years ago
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