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Katena32 [7]
3 years ago
14

What is 20+ 20+2-27+100

Mathematics
2 answers:
bonufazy [111]3 years ago
5 0
It equals 169

Anyways thanks for points
DedPeter [7]3 years ago
3 0
The answer is 165 hope this helps
Brainliest?
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dangina [55]
Which ones do u need help with

5 0
4 years ago
Help please!! I’ll mark u as brainliest
Lorico [155]

Answer:

Answer is below

Step-by-step explanation:

The graph is a function because bacteria grows exponentially. This is caused by the bacteria reproducing faster as time goes on. This means that the graph must be a function to represent the growth. The function looks like it is a quadratic function on the graph.

5 0
3 years ago
Jen invested $3500 into a continuously compounded account with an interest rate of 3.1%. After 9 years, how much money is in the
GarryVolchara [31]

Answer:

≈$4607

Step-by-step explanation:

I will assume it's compounded yearly.

Apply the compound interest formula.

A=P(1+\frac{r}{n})^{nt}

A = Total

P = Initial Principle

r = Interest Rate

n = number of interest in every t period

t = number of periods

In the case,

P = 3500

r = 3.1% = 0.031

n = 1

t = 9

Hence,

A=3500(1+\frac{0.031}{1})^{1*9}

A = 4606.764717......

A ≈ 4607 (nearest whole number)

7 0
2 years ago
Calcium-41 is being used in studies testing the effectiveness of drugs for preventing osteoporosis. The half-life of calcium-41
Leviafan [203]

Answer:

332,193 years

Step-by-step explanation:

From the question above, we are to calculate the time in an half life question, hence, the formula is given as

t = In(Nt/No) ÷ -(In2/t½)

Where

t = time is takes for an substance to decay or reduce

Nt = Amount of sample after time = 2g

No = Initial amount of sample = 20g

t½ = Half life = 100,000 years

Hence,

t = In(2/20) ÷ (In 2/ 100,000)

t = 332192.80948874 years

Approximately = 332,193 years

7 0
3 years ago
There are 3.90$ worth of nickels and quarters in a piggy bank. There are 6 more quarters than nickels how many of each coin are
damaskus [11]
You should try to restate the question more descriptively.
6 0
4 years ago
Read 2 more answers
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