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ivolga24 [154]
3 years ago
8

How many 3/9’s are in 2

Mathematics
1 answer:
gtnhenbr [62]3 years ago
7 0

Answer: they are 3

Step-by-step explanation:

3x3x3

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Whats The Answer To This Question ?
mamaluj [8]

Answer:

c. 7.527

Step-by-step explanation:

We know that 78 percent of the bar is gold and the total weight is 9.65 ounces. Just multiply the total weight by 78%.

9.65(0.78)=7.527

7 0
3 years ago
The first three steps for solving the quadratic equation by completing the square are shown. Fill in the missing number in the l
Oksi-84 [34.3K]

The first three steps for solving the quadratic equation by completing the square are as follows;

1. \rm 9x^2 +54x = 7

2. \rm 9(x^2 + 6x) = 7

3. \rm 9(x^2 + 6x + 9) = 7 + 81

Given

The quadratic equation given as  9x^2 + 54x = 7.

<h3>Quadratic equation;</h3>

The highest power of the degree is 2 is known as a quadratic equation.

To solve using the completing the square method.

The first three steps for solving the quadratic equation by completing the square are given below.

1. Write the equation in a way that the constants are on the right side while the terms with x are on the left.

\rm 9x^2 +54x = 7

2. Make sure that the coefficient of the x^2 term is 1.

\rm 9(x^2 + 6x) = 7

3. Adding a term to both sides that will complete the square on the left side.

This is done by dividing the coefficient of the x term by 2 and squaring it.

The same amount should be added to the right side to balance the equation.

\rm 9(x^2 + 6x + 9) = 7 + 81

To know more about quadratic equations click the link given below.

brainly.com/question/25963825

4 0
2 years ago
Factor completely. x^3-8x^2-2x+16
amm1812

Step-by-step explanation:

{x}^{3 }  - 8 {x}^{2}  - 2x + 16 \\  =  {x}^{2} (x - 8) - 2(x - 8) \\  = (x - 8)( {x}^{2}  - 2) \\  = (x - 8)( {x}^{2}  -  { \sqrt{2} }^{2} )  \\  = (x - 8)(x +  \sqrt{2} )(x -  \sqrt{2} )

8 0
4 years ago
Part 1:
Gnom [1K]
P = 2(L + W)
L = 4/3W

P = 2(4/3W + W) <=== part 1 is D

when P = 28
28 = 2(4/3W + W)
28/2 = 4/3W + 3/3W
14 = 7/3W
14 / (7/3) = W
14 * 3/7 = W
42/7 = W
6 = W....width is 6 inches

L = 4/3W
L = 4/3(6)
L = 24/3
L = 8....length is 8 inches

A = L * W
A = 8 * 6
A = 48 in^2 <==== part 2

7 0
3 years ago
Pls help im new so pls can u help me <br><br> Factorise<br> x^2+18x+80
sergejj [24]

Answer:

(x + 10)(x + 8)

Step-by-step explanation:

Given

x² + 18x + 80

Consider the factors of the constant term (+ 80) which sum to give the coefficient of the x- term (+ 18)

The factors are + 10 and + 8 , since

10 × 8 = + 80 and 10 + 8 = + 18 , then

x² + 18x + 80 = (x + 10)(x + 8) ← in factored form

5 0
3 years ago
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