Easy question for y’all math ppl, easy points. Question in photo

Mathematics

2 answers:

poizon [28]3 years ago

6 0

Answer:

Step-by-step explanation:

harina [27]3 years ago

4 0

Answer:

Step-by-step explanation:

it can be solved

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Solve the quadratic in form equation x^4-14x^2+45=0

Anastaziya [24]

X⁴-14x²+45=0
(x²) ²-14x²+45=0
let y=x²
y²-14y+45=0
(y-9) (y-5) =0
y=9 or y=5
x²=9 or x²=5
x=±3 or x=±√5

7 1

3 years ago

If anyone can help i would appreciate it. Ill give brainiest to anyone who answers with out a link

vovikov84 [41]

Answer:

im pretty sure what u have ther is right

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3 years ago

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The relative growth rate for a certain type of bacteria population is 78% per hour. A small culture has formed and in just 5 hou

Lemur [1.5K]

Step-by-step explanation:

A(t)=P(e^(rt))

Insert the values as follows:

The equation for "continual" growth (or decay) is A = Pe^(rt), where "A", is the ending amount, "P" is the beginning amount (principal, in the case of money), "r" is the growth or decay rate (expressed as a decimal), and "t" is the time (in whatever unit was used on the growth/decay rate).

34820=P(e^((.78)(5)))

34830=P(49.4024)

704.82335

Hope that helps :)

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3 years ago

What's cheaper, paying $20 or 20% off of $30?<br><br> NEED HELP!!

slava [35]

Answer:

$20 is cheaper :) (20% off of $30 would be $24!)

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2 years ago