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ch4aika [34]
4 years ago
14

This is a math question on for homework Percents What is 40% of 25 !

Mathematics
2 answers:
Blizzard [7]4 years ago
6 0
If the price is $20 and you have a 40% discount you would do the following. 
<span>(20 x 40)/100 = $8.00   The final price would be $8.00. </span>
sleet_krkn [62]4 years ago
5 0
The answer is 10 
you would multiply 25 by .40
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You start driving west for 3 miles, turn right, and drive north for another 2 miles. At the end of driving, what is your straigh
Sauron [17]
You can use pythagorean theorem. 3 miles would be one leg and 2 miles would be the other. (We’ll just call these two a and b in the formula. Letter c, also known as your hypotenuse, will be this ‘straight line distance’.) In order to find this you’ll use: a^2 + b^2 = c^2
Then you’ll find the square root of your sum to get the answer.

Answer: 3^2 + 2^2 = ?
9 + 4 = 13
the square root of thirteen will be about
3.61
4 0
3 years ago
Read 2 more answers
Which of the values shown are potential roots of f(x) = 3x3 â€"" 13x2 â€"" 3x 45? Select all that apply.
Verdich [7]

The potential roots of the function are, \pm1, \ \pm3, \ \pm5, \ \pm9,\  \pm15, \ \pm45,\  \pm \dfrac{1}{3},\  \pm \dfrac{5}{3}

And the accurate root is 3 it can be determined by using rules of the rational root equation.

<h2>Given that,</h2>

Function; \rm f(x) = 3x^3 - 13x^2 -3x + 45

<h3>We have to determine,</h3>

Which of the values shown are potential roots of the given equation?

<h3>According to the question,</h3>

Potential roots of the polynomial are all possible roots of f(x).

\rm f(x) = 3x^3 - 13x^2 -3x + 45

Using rational root theorem test. We will find all the possible or potential roots of the polynomial.

\rm p=\dfrac{All\  the \ positive}{Negative\  factors \ of\  45}

\rm q=\dfrac{All\  the \ positive}{Negative\  factors \ of\  3}

The factor of the term 45 are,

\pm1, \ \pm3, \ \pm5, \ \pm9,\  \pm15, \ \pm45

And The factor of 3 are,

\pm1, \ \pm3

All the possible roots are,

\dfrac{p}{q} = \pm1, \ \pm3, \ \pm5, \ \pm9,\  \pm15, \ \pm45,\  \pm \dfrac{1}{3},\  \pm \dfrac{5}{3}

Now check for all the rational roots which are possible for the given function,

\rm f(x) = 3x^3 - 13x^2 -3x + 45\\\\ f(1) = 3(1)^3 - 13(1)^2 -3(1) + 45 = 3-13-3+45 = 32\neq 0\\\\ f(-1) = 3(-1)^3 - 13(-1)^2 -3(-1) + 45 =- 3-13+3+45 = 32\neq 0\\\\ f(3) = 3(3)^3 - 13(3)^2 -3(3) + 45 = 81-117-9+45 =0\\\\ f(-3) = 3(-3)^3 - 13(-3)^2 -3(-3) + 45 = -81+117+9+45 =-144\neq 0

Therefore, x = 3 is the potential root of the given function.

Hence, The potential roots of the function are, \pm1, \ \pm3, \ \pm5, \ \pm9,\  \pm15, \ \pm45,\  \pm \dfrac{1}{3},\  \pm \dfrac{5}{3}.

For more details about Potential roots refer to the link given below.

brainly.com/question/25873992

8 0
2 years ago
Mrs. Salinas planted her flowers as shown in the picture below. Write a number sentence that best shows how many she planted.
katrin [286]

Answer:

7 × 3 = 21

Step-by-step explanation:

3 rows of flowers with 7 flowers in each row means 3 times 7, and 3 times 7 equals 21.

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3 years ago
4.2% of what number is 58.8?
katen-ka-za [31]

Answer:

1400

Step-by-step explanation:

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3 years ago
Is 75 degree is a special triangle
White raven [17]
No that's just the degree doesn't make it special all triangles angles can be different
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4 years ago
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