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nika2105 [10]
2 years ago
8

David spent 10 days at summer camp. Each day he spent 4 hours at Arts and

Mathematics
1 answer:
horsena [70]2 years ago
4 0
Answer: David made 120 drawings while at summer camp
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The table to the right displays the weight progress of a
Vikki [24]

Answer:

The answer is 6 pounds.

Step-by-step explanation:

I figured it out by getting it wrong

7 0
3 years ago
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There are 2 green,5 yellow, 6 red,and 7 blue marbles in a bag. Erin picks one marble from the bag without looking. What is the p
Svetach [21]

Answer:

c 35%

Step-by-step explanation:

2 green,5 yellow, 6 red,and 7 blue marbles

2+5+6+7 = 20 marbles

P(blue) = blue marbles / total marbles

             = 7/20

              = 35/100

               =35%

7 0
3 years ago
Someone please finish and explain this! i'm giving brainliest, tysm :)
posledela

Answer:

Step-by-step explanation:

   Hours: 1      5         10      15      20         25

Minutes: 60   300   600   900   1,200     1,500

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6 0
3 years ago
PLEASE HELP ME!!
Ludmilka [50]

Answer:

<h2>The population will reach 1200 after about 2.8 years</h2>

Step-by-step explanation:

The question is incomplete. Here is the complete question.

The population of a certain species of bird in a region after t years can be modeled by the function P(t) = 1620/ 1+1.15e-0.42t , where t ≥ 0. When will the population reach 1,200?

According to question we are to calculate the time t that the population P(t) will reach 1200.To do this we will substitute P(t) = 1,200 into the equation and calculate for the time 't'.

Given;

P(t) = \frac{1620}{1+1.15e^{-0.42t} } \\\\at \ P(t)= 1200;\\\\1200 =  \frac{1620}{1+1.15e^{-0.42t} }\\\\cross\ multiplying\\\\1+1.15e^{-0.42t} = \frac{1620}{1200} \\\\1+1.15e^{-0.42t}  = 1.35\\\\1.15e^{-0.42t} = 1.35-1\\\\e^{-0.42t} = \frac{0.35}{1.15}\\ \\e^{-0.42t}  = 0.3043\\\\Taking \ ln\ of\ both\ sides\\\\lne^{-0.42t}  = ln0.3043\\\\-0.42t = -1.1897\\\\t = \frac{-1.1897}{-0.42} \\\\t = 2.8 years\\\\

The population will reach 1200 after about 2.8 years

6 0
3 years ago
If two fair dice are rolled, what is the probability that the total showing is either even or less than five?
vampirchik [111]

Answer:

50/50

Step-by-step explanation:

6 0
3 years ago
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