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ludmilkaskok [199]
3 years ago
10

What is five and nine tenths in standard form

Mathematics
2 answers:
zheka24 [161]3 years ago
4 0
I believe the answer is 5.9
Helen [10]3 years ago
3 0

Answer:

The standard form of five and nine tenths is 5.9.  

Step-by-step explanation:

Given : Expression five and nine tenths.

To find : What is expression i standard form ?

Solution :

We have given a number in word form.

To write in standard form we have to convert word into number form.

Tenths mean \frac{1}{10}

five and nine tenths means 5+9\times \frac{1}{10}

=5+9\times0.1

=5+0.9

=5.9

Therefore, The standard form of five and nine tenths is 5.9.

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A cyclist rides his bike at a speed of 18 miles per hour. What is this speed in kilometers per hour? How many kilometers will th
Sonja [21]

Well, if 1 mile = 1.6 kilometers and he's traveling at 18mph, then do 18 x 1.6 which = 28.8.

So, this is his current speed in kph

3 x 28.8 = 86.4‬

They will have traveled 86.4‬ kilometers

(I haven't worked with this kind of math in a while so correct me if I'm wrong!)

4 0
3 years ago
Which is great 1.1 or 1.403
satela [25.4K]
1.403 > 1.1
1.1 = 1.100
1.403>1.100
3 0
3 years ago
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I have to factor this : 7x2+35x-49 <br> im not sure what to do.
Anon25 [30]
7(x^2 +5x-7) 
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4 0
3 years ago
Frank invests $1,000 in simple interest investment account that pays 8% a year. After a number of years, he withdraws his balanc
MAXImum [283]

There are 15 years was his money invested.

<h3>What is simple interset?</h3>

Simple Interest is an easy method of calculating the interest for a loan/principal amount.

Given

Frank invests $1,000 in simple interest investment account that pays 8% a year.

After a number of years, he withdraws his balance of $2,200.

The number of years was his money inversted is;

\rm I= P\times r \times t

Where p is the principal amount, r is the rate of interest, I is the amount and  t is the time.

Substitute all the values in the formula;

\rm I= P\times r \times t\\\\2200-1000= 1000 \times .08 \times t\\\\1200 = 80t\\\\t = \dfrac{1200}{80}\\\\t=15

Hence, in the 15 years was his money invested.

To know more about investing click the link given below.

brainly.com/question/26677076

7 0
2 years ago
Sarah takes 550 mg of an antibiotic. Every hour, her body breaks down 25% of the remaining drug. How much will be left after 12
hammer [34]

The amount of drugs that will be left after 12 hours is 17.42 mg provided Sarah takes 550 mg of an antibiotic every hour.

<h3>What is exponential decay?</h3>

Exponential decay can be described as a reduced amount of an original substance by a definite percentage over a period of time. It can be determined by using the formula:

\mathbf{y = a(1 - r)^t}

where;

  • y = total amount,          
  • a = initial amount = 550 mg
  • r = the growth rate = 0.25
  • t = number of growth periods = 12 hours

\mathbf{y = 550(1 - 0.25)^{12}}

y = 17.42 mg

Therefore, we can conclude that the amount of drugs that will be left after 12 hours is 17.42 mg.

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