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Alexxx [7]
3 years ago
11

How do you evaluate (x+3)2 ?

Mathematics
2 answers:
irga5000 [103]3 years ago
6 0

Answer:

 2 • (x + 3)

Step-by-step explanation:

navik [9.2K]3 years ago
3 0

Step-by-step explanation:

x = 1

HOPE It Helps it;D

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The three inside angles (A,B and C) of a right angled triangle are in the ratio 7:18:11
Anastasy [175]

This is overdetermined.  Without looking at the ratio (except for the order of the sides) the actute angles in a right triangle are complementary so the answer must be:

Answer: A=35°, C=90°, B=55°

We can do it the way they like.

7+18+11 =36

so to get 180 degrees we need to scale the ratio elements by a factor of 5.

7:18:11=35:90:55

A is the smallest.  We see C is indeed a right angle and B is complementary to A.

6 0
4 years ago
The triangles have a scale of 3: 5. What is the value of a? *
grandymaker [24]

Answer:

Step-by-step explanation:

multiply the ratio by 24/5 and you have

72/5 : 24

or

14.4:24

7 0
3 years ago
What is the difference? StartFraction 2 x 5 Over x squared minus 3 x EndFraction minus StartFraction 3 x 5 Over x cubed minus 9
Fiesta28 [93]

The expression which is equivalent to the difference of the given algebraic fraction is,

\dfr\dfrac{(x+5)(x+2)}{x(x-3)(x+3)}

<h3>What is the difference? </h3>

Difference is the mathematical operation in which the one number is subtract from another number.

To find the difference of two fraction numbers, we find the least common factor of denominator and write the all numbers as one fraction.

The given expression in the problem is,

\dfrac{2x+5}{x^2-3x}-\dfrac{3x+5}{x^3-9x}-\dfrac{x+1}{x^2-9}

Factorize the denominator of each term as,

\dfrac{2x+5}{x(x-3)}-\dfrac{3x+5}{x(x-3)(x+3)}-\dfrac{x+1}{(x-3)(x+3)}

Here, the least common factor of the denominators is x(x-3)(x+3), therefore, the expression can be written as,

\dfrac{(x+3)(2x+5)-(3x+5)-(x)(x+1)}{x(x-3)(x+3)}\\\dfr\dfrac{2x^2+5x+6x+15-3x-5-x^2-x}{x(x-3)(x+3)}\\\dfr\dfrac{x^2+7x+10}{x(x-3)(x+3)}\\\dfr\dfrac{(x+5)(x+2)}{x(x-3)(x+3)}

Hence, the expression which is equivalent to the difference of the given algebraic fraction is,

\dfr\dfrac{(x+5)(x+2)}{x(x-3)(x+3)}

Learn more about the difference of two fractions here;

brainly.com/question/13222

6 0
2 years ago
A Square has the same
Dvinal [7]

Good morning ☕️

Answer:

<h2>12</h2>

Step-by-step explanation:

First, let’s consider this:

P the area of the parallelogram

S the area of the square

x the length of the side of the square

since P = S and S = x² then

on the one hand S = 6×24  = 144

on the other hand S = x²

then

x² = 144

then

x = √(144)

  = 12

____________________________

:)

3 0
4 years ago
Commutative property to make it easier to evaluate -12 x 13 x 1/3
vovikov84 [41]

Answer:

-5,199.99\

Step-by-step explanation:

( \ means infinite number)

-12 x 13 x 1/3

-12 x 13 = -156

-156 x 1/3 (or 33.333\)

=-5,199.999\

7 0
3 years ago
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