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ioda
3 years ago
13

Pls can someone help me and have it right

Mathematics
1 answer:
dangina [55]3 years ago
8 0

Answer:

Problem 1:

a. x=2

b. x=3

c. x=1

Problem 2:

A multiplication equation to hold the table true:

18\times3=54

A division equation to hold the table true:

\frac{54}{3} =18

Step-by-step explanation:

Given in problem 1:

(a). The equation is \frac{x}{6} > 1

It holds true for all values of x> 6.

Let us say x=12,

\frac{x}{6}=\frac{12}{6}  =2 which is greater than 1.

(b). The equation is \frac{x}{6} < 1

It holds true for all values of x< 6.

Let us say x=3

\frac{x}{6} =\frac{3}{6} =\frac{1}{2} which is less than 1.

(c). The equation is \frac{x}{6} = 1

It holds true for only x= 6.

Let us say x=6,

\frac{x}{6} =\frac{6}{6}=1 which is equal to 1.

Problem 2:

A multiplication equation to hold the table true:

18\times3=54

A division equation to hold the table true:

\frac{54}{3} =18

Therefore these are the values which hold true to the equation in problem 1 and 2.

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Liula [17]

Answer: 12

To get 12 you multiply 20%×60 and get 12.

Note: When finding the answer to these types of problems, multiply the percent times the number.

4 0
3 years ago
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(URGENT!!!) Can someone help me with this? For part a), would the equation A=200(15)^m=395 work? In part b), can't I just factor
Levart [38]
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b.) I believe it will be easier to answer with ^this equation.

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7 0
3 years ago
Multiply the following polynomials
Sophie [7]

Answer  (2x + 7) • (x2 - 2)

Step-by-step explanation:

please give me brainlest!!

Step by step solution :

Step  1  :

Trying to factor as a Difference of Squares :

1.1      Factoring:  x2-2

Theory : A difference of two perfect squares,  A2 - B2  can be factored into  (A+B) • (A-B)

Proof :  (A+B) • (A-B) =

        A2 - AB + BA - B2 =

        A2 - AB + AB - B2 =

        A2 - B2

Note :  AB = BA is the commutative property of multiplication.

Note :  - AB + AB equals zero and is therefore eliminated from the expression.

Check : 2 is not a square !!

Ruling : Binomial can not be factored as the difference of two perfect squares.

Final result :

 (2x + 7) • (x2 - 2)

6 0
3 years ago
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A triangle is shown.
aleksklad [387]

Using the Pythagorean Theorem, it is found that the unknown side length of the triangle is of 7.9 cm.

<h3>What is the Pythagorean Theorem?</h3>

The Pythagorean Theorem relates the length of the legs l_1 and l_2 of a right triangle with the length of the hypotenuse h, according to the following equation:

h^2 = l_1^2 + l_2^2

Researching this problem on the internet, we have that:

  • The unknown side length is of a leg of x.
  • The other leg is of 9 cm.
  • The hypotenuse is of 12 cm.

Hence:

x² + 9² = 12²

x = sqrt(12² - 9²)

x = 7.9 cm.

The unknown side length of the triangle is of 7.9 cm.

More can be learned about the Pythagorean Theorem at brainly.com/question/654982

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4 0
2 years ago
I can't find the value of Y​
Lubov Fominskaja [6]

114 = 19y

This is true because they are vertical angles. Now, let's divide both sides by 19

6 = y

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