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3 years ago

2/5 times 4/5 I need step by step explanation PLEASE HELP ASAP I’m crying cause I’m struggling so much

Mathematics

1 answer:

Gelneren [198K]3 years ago

7 0

Answer:

8/25

Step-by-step explanation:

2x4=8

5x5=25

=8/25

(you can't simplify this any further)

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Cara saw an advertisement claiming 5 out of 6 students prefer talking on the phone over texting. She predicts that 500 out of 60

Sever21 [200]

5/6 is not the definite ratio, when you take a larger sample size it could be off by a bit like 499/600 or 501/600

8 0

3 years ago

Plz help me well mark brainliest if you correct!!.....

KIM [24]

The answer is 8 because for this question all you need to do is add 5 and 3

6 0

2 years ago

Read 2 more answers

If $48,000 is invested in an account earning 3.1% interest compounded continuously, determine how long it will

Bas_tet [7]

Answer:

It will take about 35.439 years to triple.

Step-by-step explanation:

Recall the formula for continuously compounded interest:

$A=P\,e^{r*t}$

where "A" is the total (accrued or future) accumulated value, "r" is the rate (in our case 0.031 which is the decimal form of 3.1%), "P" is the principal, and "t" is the time in years (our unknown).

Notice also that even that the final amount we want to get is three times $48,000. So our formula becomes:

$3\,*\,48,000=\,48,000\,\,e^{0.031\,*t}\\\frac{3\,*\,48,000}{48,000} =e^{0.031*t}\\3=e^{0.031*t}$

Now,in order to solve for "t" (which is in the exponent, we use logarithms:

$ln(3)=0.031\,*\,t\\t=\frac{ln(3)}{0.031} \\t=35.439 \,\,years$

7 0

3 years ago

Solutions for x2 −22x+121=49

slamgirl [31]

The answer is d I think

5 0

2 years ago

I need help with this question can you help me

Debora [2.8K]

Answer:

28.26ft

Step-by-step explanation:

A=πr^2

π*3^2=28.27433

28.26

6 0

3 years ago