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3 years ago

Write 39% as a decimal

Mathematics

2 answers:

Lelu [443]3 years ago

5 0

Answer:0.39

Step-by-step explanation:

r-ruslan [8.4K]3 years ago

5 0

Answer:

0.39

Step-by-step explanation:

To convert a percentage to a decimal, we can do it one of two ways:

The first is to divide the number by 100. So in this case it would be 39 divided by 100 = 0.39

Or we could simply add a decimal like this:

Take off the percentage sign and add a decimal instead 39% -> 39.

Then move this decimal two places to the left 39. -> 0.39

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X squared minus 7x plus 10 equals 0

joja [24]

X² - 7x + 10 = 0

Let's factor out the equation first.

x² - 7x + 10

x -2
x -5

This factoring of (x-2)(x-5) fit the equation.

(x-2)(x-5) = 0

One of the factors must equal 0 as to equal zero.

Either x - 2 = 0 or x - 5 = 0

x - 2 = 0
x = 2

x - 5 = 0
x = 5

The two answers are x = 2 or x = 5. Hope this helps!

3 0

3 years ago

For what values of x is the quantity x + 5 negative? Enter your answer as an inequality.

tangare [24]

Answer:

x < -6

Step-by-step explanation:

Whenever the value of x will be less than -6 the answer is going to be negative.

i hope it will help you!

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4 years ago

URGENT PLEASE

iragen [17]

$\qquad \textit{Heron's area formula} \\\\ A=\sqrt{s(s-a)(s-b)(s-c)}\qquad \begin{cases} s=\frac{a+b+c}{2}\\[-0.5em] \hrulefill\\ a=7.2\\ b=6.7\\ c=4.5\\ s=\frac{7.2+6.7+4.5}{2}\\[0.5em] \qquad 9.2 \end{cases} \\\\\\ A\sqrt{9.2(9.2-7.2)(9.2-6.7)(9.2-4.5)}\implies A=\sqrt{9.2(2)(2.5)(4.7)} \\\\[-0.35em] ~\dotfill\\\\ ~\hfill A\approx 14.704~\hfill$

4 0

3 years ago

Please help with my math homework

mezya [45]

Answer:

sorry for that

Step-by-step explanation:

image is so unclear can't even read

3 0

3 years ago

a cat and dog shelter houses 23 animals there are 5 more cats x and dogs y write and solve a system of linear equations to find

vampirchik [111]

Answer:

There would be 14 cats and 9 dogs

Step-by-step explanation:

In order to find the amount of cats and dogs, we need to set up the system of equations. To do so, start by setting cats as x and dogs as y. Now we can write the first equation to show the total number of animals.

cats + dogs = 23

x + y = 23

Now we can write a second one that shows the difference in the number of cats and dogs.

cats - dogs = 5

x - y = 5

Now we can add the two equations together to solve for x.

x + y = 23

x - y = 5

2x = 28

x = 14

Now that we have the number of cats, we can find the number of dogs by using either equation.

x + y = 23

14 + y = 23

y = 9

4 0

3 years ago

Read 2 more answers