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lakkis [162]
2 years ago
15

Will mark you brainliest for the best answer! Find the exact length of arc ADC . In your final answer, include all of your calcu

lations.
#geometry #arclength #arc

Mathematics
1 answer:
nevsk [136]2 years ago
4 0

Answer:

360 whole circle minus the 60 you don't want =300

Step-by-step explanation:

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If the number of bacteria in a colony doubles every 210 minutes and the population is currently 8,000 bacteria, what will the po
Stells [14]

Answer:

D is the answer

64,000 exponential function  

Step-by-step explanation:

64,000 exponential function  

The number of bacteria in a colony doubles  every 210 minutes.

The population of bacteria = 8000

Determine how many times the population will double.

\frac{630}{210}

 = 3

Multiply the population by 2 a total of 3 times.

8000 × 2³ = 64,000

8 0
3 years ago
Bob purchased 2 hot dogs and 1 hamburger for S10. Later that day, Bob had to purchase more food and
Tom [10]

Answer:

Hotdog: $3.00

Hamburger: $4.00

Step-by-step explanation:

For the first time that Bob buys food, we can make an equation to find how much a single hotdog and a single hamburger costs, where:

x = cost of a hotdog

y = cost of a hamburger

He bought 2 hotdogs and 1 hamburger for $10, so the equation for his first time buying food is:

2x + y = 10

For the second time buying food, he bought 1 hotdog and 3 hamburgers for $15, so his equation would be:

x + 3y = 15

To find the value for x and y we need to solve this system of equations using the two equations we just came up with. We can do this multiple ways, but I'll be demonstrating the substitution method.

Using the second equation, we can solve for x by simply subtracting 3y from both sides:

x = 15 - 3y

We can then insert this value of x into the first equation so that way we are only dealing with one variable to solve - y:

2(15-3y) + y = 10

Distribute out the 2 into the paratheses, combine like terms, and then solve for y:

30 - 6y + y = 10

30 - 5y = 10

-5y = -20

y = 4

This means the cost for one hamburger is $4. But we still need to find the price of one hotdog, so we can insert this value of y into the equation we came up with earlier for x, and then solve for x:

x = 15 - 3y

x = 15 - 3(4)

x = 15 - 12

x = 3

So the price of one hotdog is $3 and the price of one hamburger is $4. Hope this helps.

3 0
2 years ago
A rhino can run at speeds of about 28 miles per hour. What is that speed in feet per second, to the nearest whole number?
mash [69]

28 mph is approximately 41.0666... fps.

This is because 1mph is approximately 1.4666... fps.

4 0
3 years ago
Read 2 more answers
What is the answer to 4(x + 1) = -6
snow_tiger [21]

Answer:

-5/2

Step-by-step explanation:

With Distributive property, we get 4x + 4 = -6.  Subtract 4 from both sides and we get 4x = -10.  Divide both sides by 4 and we get x = -5/2.

3 0
3 years ago
Read 2 more answers
Is this question -true or false- I dont know
djyliett [7]

Answer: FALSE

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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