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3 years ago

How would you write 43 and 3/4 as a decimal?

Mathematics

2 answers:

Luda [366]3 years ago

8 0

Thats easy the answer is 43.75

Ksju [112]3 years ago

6 0

43.0 and 0.75 this is the correct answer

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What is 20% of 40, work it out

Darina [25.2K]

Hey there

Answer:

20% of 40 is 8 .

Step-by-step explanation:

In this question we are given a number that is 40 . And we have asked to find 20% of it .

Solution : -

$\longmapsto \qquad \: \: 20\% \times 40$

We know that ,

Percent ( % ) represent 1/100

So ,

 $\longmapsto \qquad \: \: ( 20 \times \dfrac{1}{100}) \times 40$ 

or ,

 $\longmapsto \qquad \: \: \dfrac{20}{100} \times 40$ 

Now cancelling zero :

$\longmapsto \qquad \: \: \dfrac{2 \cancel{0}}{1 \cancel{0} \cancel{0}} \times 4 \cancel{0}$

We get ,

$\longmapsto \qquad \: \: 2 \times 4$

$\longmapsto \qquad \: \: \blue{\underline{\boxed{\frak{8}}}} \quad \bigstar$

Therefore , 20% of 40 is 8 .

<h2>#Keep Learning</h2>

6 0

2 years ago

Solve using the Quadratic Formula. 122+6−5=0

tensa zangetsu [6.8K]

Step-by-step explanation:

You can't use quadratic formula in this

5 0

1 year ago

If n denotes a number to the left of 0 on the number line such that the square of n is less than 1/100, then the reciprocal of n

andriy [413]

Answer: E. Greater than 10

Step-by-step explanation:

First, know that number to the left of a number line are negative and the square of any negative number will be positive and a perfect square.

Since the square of the unknown number is less than 1/100 i.e 0.01 then the possible unknown number 'n' can be -0.01 itself, of which the square of -0.01 will give us 0.0001 (1/10,000) i.e a value less than 0.01.

The reciprocal of 1/10000 is 10,000 which is a value greater than 10.

6 0

3 years ago

A group of 7 students was asked, "How many hours did you watch television last week?" Here are their responses. 20,6,17,10,19,15

Burka [1]

Answer: 13.71

Step-by-step explanation:

20+6+17+10+19+15+9=96

96/7=13.71

5 0

3 years ago

Show All Work

Angelina_Jolie [31]

The unit rate you're trying to find is pages per day(or p/d), so the equation needs to have both a unit for pages and for days.
The equation we have is:
$5,249 = 29d$
If they read 5,249 pages, then we can include the unit for pages in the equation.
Since we also know that d is the number of days it took, you can replace d with days.
The equation becomes:
$5,249\ pages=29*(x\days)$
Now that we have one variable, we can solve for p/d:
$\frac{5,249\ pages}{29}=x\ days\\\\181 = x$
Thus it took them 181 days to read it all.

If Johnny read 5,249 pages over 181 days and the unit rate is pages per day(p/d), then the equation for finding p/d is:
$\frac{p\ pages}{d\ days}=\frac{5,249\ pages}{181\ days}=\frac{29\ pages}{1\ day}\\\\29\ \frac{pages}{day}$
Johnny read 29 pages per day.

8 0

3 years ago