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3 years ago

Please Help Me With All Four

Mathematics

2 answers:

svetlana [45]3 years ago

6 0

Answer:

answer below

Step-by-step explanation:

a is: 0.8

b is : 2

c is: 5

d is: 12.5

murzikaleks [220]3 years ago

5 0

A. 1/5

B. 2/25

C. 5

D. 25/2

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A culture started with 2,000 bacteria. After 2

xenn [34]

Answer:

2450

Step-by-step explanation:

First you will divide;

200÷4=50

Then you multiply;

50×9=450

Last you add;

2000+450=2450

Hope this helps :D

3 0

3 years ago

1 Minutes, 30 seconds

Serggg [28]

I think it would be (15-6)*5 because when it says 5 times you would cross out both B and D but then you have to find out what large as 15 minus 6 which i think would be (15-6) so your answer would be C. (15-6)*5

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3 years ago

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What is the equation of the axis of symmetry for the parabola

ozzi

Answer:

x=3

Step-by-step explanation:

axis of symmetry always pass through X coordinate of vertex.

here vertex is (h,k)= (3,5)

so x coordinate is 3.

so the equation of the axis of the symmetry is X=3

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2 years ago

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Caroline puts $400 into a savings account that earns 6% annually. Write a function that represents this situation, where t is th

DaniilM [7]

Answer: 19 years

Step-by-step explanation:

Given

Amount invested $\$400$

Rate of interest $R=6\%$

after 1-year amount becomes

$A=400\left (1+6\%\right)\\A=400\left (1+0.06\right)\\A=400\times 1.06\\A=\$424$

After n years it is

$A=400\left (1.06\right)^n$

Sum accumulated is $\$1200$

$\Rightarrow 1200=400\left(1.06\right)^n\\\Rightarrow 3=\left(1.06\right)^n\\\text{Taking log both sides}\\\Rightarrow n=\dfrac{\ln 3}{\ln 1.06}\\\\\Rightarrow n=18.85\approx 19\ \text{years}$

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3 years ago

ANWER PLEASE FIRST TO ANSWER GETS BRAINLEST ANSWER

mamaluj [8]

I believe the answer is C 1,300

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3 years ago

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Please Help Me With All Four ​

Please Help Me With All Four