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3 years ago

Jake is observing the population growth of insects. He started with 24 insects and the population triples every day.

2 answers:

6 0

Everyday the number is tripled by 3 and x represents the number of days, which we don’t know, so it would be 3x.
He started with 24.

So the equation is:

24+(3x)

Roman55 [17]3 years ago

3 0

Answer:

$\displaystyle 24 + 3x = y$

Step-by-step explanation:

This was simple, considering that "triple" means "three times as many". That leaves an initial value of 24. You set all of this equal to y.

I am joyous to assist you anytime.

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5. Express "a number x plus the square root of a number y”

Luden [163]

Answer:

x+√y

Step-by-step explanation:

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2 years ago

Sunny’s Surf Shop sold 20 surfboards last week. This week, they will sell 320 percent as many. How many surfboards will Sunny’s

stealth61 [152]

Multiplying 20 by 320% is the same thing as multiplying 20 by 3.2, or 20(3.2)=64. Hope this helped!

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3 years ago

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Jerome is going to draw a marble from the bag shown below, replace it, and then draw another marble. What is the probability tha

alexira [117]

Marbles in a bag: 3 green, 4 yellow, 5 blue, 8 pink.

Event A - get a green or yellow marble
Event B - get a pink marble

Events A and B are independent because we draw a marble from a bag with 20 marbles in both cases.
$P(A)= \frac{3+4}{3+4+5+8}= \frac{7}{20} 
\\P(B)= \frac{8}{3+4+5+8}= \frac{8}{20} = \frac{2}{5}$

Probability of combined events is
$P(A) \times P(B)=\frac{7}{20} \times \frac{2}{5} =\frac{7}{50}$

7 0

2 years ago

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Please see the screenshot.

sesenic [268]

Answer:

the answer is c, (-10,4) and the radius is 10

Step-by-step explanation:

Hope this helps!❆

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2 years ago

What is the answer to 3/4d-1/2=3/8+1/2d

ElenaW [278]

Answer:

d=7/2

Step-by-step explanation:

3/4d-1/2=3/8+1/2d

multiply all by 8, to make them into whole numbers (makes it easier)

6d-4=3+4d

move terms

6-d-4d=2d

3+4=7

7=2d

d=7/2

5 0

2 years ago