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Nataly [62]
3 years ago
11

I am confused on this question?

Mathematics
1 answer:
Oksana_A [137]3 years ago
6 0
Answer= B

a=12-x/x and divid all that and you will get the 12 by it self
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The equation the quantity of x plus 20 over 2 = 3x represents when two tutoring services with different rate plans charge the sa
Inga [223]

None of the options give the same fees for a session of x hours.

Given,
x + 20/2 = 3x
when two tutoring services with different rate plans charge the same fees for a session of x hours.

<h3>What is arithmetic?</h3>

In mathematics, it deals with numbers of operations according to the statements.

x + 20/2 = 3x
x + 10 = 3x

A) x= 10
10 + 10 = 3*10
20 ≠ 30


B) x=4
4 + 10 = 3 * 4
14 ≠ 12

C) x= -14
-14 + 10 = 3 * -14
-4 ≠ 42


D) x=-17
- 17 + 10 = 3 * - 17
-7 ≠ -51

Here, none of the options give the same fees for a session of x hours.

Thus, none of the options give the same fees for a session of x hours.

Learn more about arithmetic here:

brainly.com/question/14753192

#SPJ1

8 0
1 year ago
A number is written with the following factorization: 2^2 × 3 × 5^4 × 11^2. Is this factorization a prime factorization? Explain
tankabanditka [31]

It is a prime factorization because each base (2,3,5, and 11) is a prime number.

A prime number is one where the only factors of it are 1 and itself.

  • factors of 2 = 1 and 2
  • factors of 3 = 1 and 3
  • factors of 5 = 1 and 5
  • factors of 11 = 1 and 11

Instead of saying something like 11^2, we could write 11*11. Similarly, 5^4 could be written as 5*5*5*5. Though it's a good idea to use exponents so you make the prime factorization more compact and save time.

The '3' without an exponent is the same as 3^1. You'll often see that exponent of 1 left out. Again this is to save time.

8 0
3 years ago
Solve by factoring or finding square roots.<br> x^2 +9x+20=0
Zanzabum
X^2 + 9x + 20
x                5
x                4

(x + 5)(x +4)

x = -5,-4

hope this helps
6 0
3 years ago
Find f(-5) of f (x) = x + 1<br> 1) 4<br> 2) 5<br> 6) 6
Alex
F(-5) just means that your substituting the number -5 for every x value. So if you have x+1 this would be -5+1 which is -4
7 0
3 years ago
Helppp me pleaseee due tonight
natulia [17]
3 pounds would cost $6.75


$4.50/2 = $2.25 per pound
$2.25 x 3 = $6.75
8 0
3 years ago
Read 2 more answers
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