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2 years ago

Which of the following is equivalent to 2x2 + 9x + 9?

Mathematics

2 answers:

valkas [14]2 years ago

8 0

Answer:

(x+3)(2x+3)

Step-by-step explanation:

Factor:

2x^2+9x+9

=(2x+3)(x+3)

Mumz [18]2 years ago

5 0

Answer:

(x + 3)(2x + 3)

Step-by-step explanation:

Sum = 9

Product = 2*9 = 18

Factors = 6 ,3

2x² + 9x + 9 = 2x² + 6x + 3x + 3 * 3

= 2x ( x + 3) + 3( x + 3)

= (x +3)(2x + 3)

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What number is equivilent to 3 4/ 3 2

ki77a [65]

Answer:

Step-by-step explanation:

Using the property that

−

, we have

−

Note that if we evaluated the numerator and denominator first, we would arrive at the same result:

8 0

3 years ago

Read 2 more answers

Jim was thinking of a number. Jim adds 20 to it, then doubles it and gets an answer of 99.2. What was the original number?

azamat

Alright, lets get started.

Jim was thinking of a number.

Suppose the number Jim was thinking, is x.

Jim adds 20 to it means number will be = $x+20$

And Jim doubles it, means $2*(x+20)$

Jim gets 99.2 and as per us, he gets $2*(x+20)$

So, making them equal

$2(x+20)=99.2$

$2x+40=99.2$

Subtracting 40 in both sides

$2x+40-40=99.2-40$

$2x=59.2$

$x=29.6$

It means the original number is 29.6. : Answer

Hope it will help :)

6 0

2 years ago

On tuesday shanice bought five hats. on wednesday half of all the hats that she had were destroyed. equation for... on thursday

wlad13 [49]

If X is the number of hats . . . reading backwards . . .

Thursday = Wednesday + Tuesday

17 = 1/2 X + 5

Solving:

17 - 5 = 1/2 X

12 = 1/2 X

24 = X

So she had 24 on Monday.

8 0

3 years ago

NEED HELP ASAP!!! Write 18/7 as a mixed number

Kryger [21]

Answer:

Your answer is 2 4/7.

Step-by-step explanation:

Hope this helps!

7 0

2 years ago

Read 2 more answers

X^4=15 is an exponential equation?

miskamm [114]

Answer:

No. It is not an Exponential Equation.

Step-by-step explanation:

Given $x^{4} =15$

By the Definition of Exponential Equation which states.

"The equation is said to be an exponential equation when it has a variable occurred in the exponent and which have the same base."

For Example:

All given below are said to be exponential equations.

$5^{x} =5^{2} \\7^{x}=49\\$

which can be rewritten as

$7^{x}=7^{2}$

Now in the given equation $x^{4}=15$ it doesn't have same base neither any means the base can be made same,hence the given equation is not an exponential equation

8 0

3 years ago