3 years ago

WILL MARK BRAINLIEST HELP ASAP ASAP

Mathematics

1 answer:

Alina [70]3 years ago

5 0

Answer:

Step-by-step explanation:

I got this answer correct on a test

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a population of insects increases at a rate of 1.5% per day about how long will it take to double A)2.5 days b) 5.0 days c) 46.6

ANTONII [103]

We can use population formula

$P(t)=P_0(1+r)^{t}$

we are given

interest rate is 1.5% per day

so,

$r=0.015$

now, we can plug values

$P(t)=P_0(1+0.015)^{t}$

$P(t)=P_0(1.015)^{t}$

we are given

P(t)=2Po

we can plug it

$2P_0=P_0(1.015)^{t}$

we can solve for t

$2=(1.015)^{t}$

$t=46.55$

so,

number of days is 46.5..........Answer

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3 years ago

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Solve 2x^2– 5= 3x with the quadratic formula

Gwar [14]

Answer:

see below

Step-by-step explanation:

2x^2-3x-5=0

Well a=2, b=-3, c=-5

$x=\frac{-(-3)+-\sqrt{(-3)^2-4(2)(-5)} }{2*2}\\\\ x_1=\frac{3+\sqrt{49} }{4} =\frac{3+7}{4} =\frac{10}{4} =\frac{5}{4} \\\\x_2=\frac{3-\sqrt{49} }{4} =\frac{3-7}{4}=\frac{-4}{4} =-1$

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3 years ago

dominic is buying candy by the pound. for every 10 candy he buys,he pays 12 dollars.how much does 1 pound of candy cost?

avanturin [10]

Your answer to this question that you have asked is three dollars =. 3$

$3.00

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3x^3-5x+x^7+9+4x^11 polynomial

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Talia tossed a penny many times; she got 40 heads and 60 tails. What is the probability of Talia getting heads?

disa [49]

Her probability is 4/10 times.

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3 years ago