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Andreyy89
3 years ago
15

The sum of triple a number and 6 is 9

Mathematics
2 answers:
lisov135 [29]3 years ago
7 0
3x+6=9
Triple a number (3x) + 6
subtract 6 from both sides
3x=3
Divide by 3 on both sides
X=1
Gala2k [10]3 years ago
4 0
We have an equation: 3*?+ 6= 9
⇒ 3*?= 9-6
⇒ 3*?= 3
⇒ ?= 3/3
⇒ ?= 1

The number is 1~
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Helpppo:)))))) pleaseeee
velikii [3]

Answer:

32

Step-by-step explanation:

Step 1: Define

f(x) = 3x² - 5x - 4

g(x) = -4x - 12

Step 2: Find f(g(x))

f(g(x)) = 3(-4x - 12)² - 5(-4x - 12) - 4

f(g(x)) = 3(16x² + 96x + 144) + 20x + 60 + 4

f(g(x)) = 48x² + 288x + 432 + 20x + 64

f(g(x)) = 48x² + 308x + 496

Step 3: Find f(g(-4))

f(g(-4)) = 48(-4)² + 308(-4) + 496

f(g(-4)) = 48(16) - 1232 + 496

f(g(-4)) = 768 - 736

f(g(-4)) = 32

3 0
3 years ago
Rectangle A is a scaled version of rectangle B. The dimensions of rectangle A are three times the dimensions of rectangle B. The
Firlakuza [10]

Answer:

1458 sq cm

Step-by-step explanation:

because each dimension of A is 3 tomes each dimension of B, that will mean that both the length and width of B are multiplied by 3 in order to get the length and width of A, so the area of B is length×width=162 and the area of A (in terms of B's dimensions) is 3xlength×3×width=9×length×width=9×162=1458 sq cm

7 0
3 years ago
bill is on the school archery team. the target has a center bull's-eye and two rings around the bull's-eye. the table gives the
solong [7]

add the 2 probabilities together:

0.297 + 0.423 = 0.72

 Answer is C


3 0
3 years ago
What is the y-intercept in the equation LaTeX: y=-3x+7y = − 3 x + 7?
poizon [28]
B answer is letter B
3 0
3 years ago
5x³+8x²-7x-6
Lady_Fox [76]

Answer:


Step-by-step explanation:

Whether we divide using long division or using synthetic division, the rule is the same:  If, after division, there is no remainder (i. e., the remainder is zero), the divisor binomial is a factor or the associated root is indeed a root/zero/solution.

Divide 5x³+8x²-7x-6 by (x+2) using synthetic division.  Use the divisor -2 (which comes from letting x+2 = 0):

      --------------------------

-2   /    5    8    -7    -6

                -10    4     6

     ------------------------------

          5      -2    -3    0          Since the remainder here is 0, we know that

                                               -2 is a root of 5x³+8x²-7x-6 and that (x+2) is

                                                a factor of 5x³+8x²-7x-6.


Now check out the possibility that (x+1) is a factor of  5x^3 + 8x^2 - 7x - 6:

Use -1 as the divisor in synthetic division:    

        --------------------------

-1   /    5    8    -7    -6

                -5   -3     10

     ------------------------------

          5      3   -10    4        

Since there is a non-zero remainder (4), we can conclude that (x + 1) is NOT a factor of the given polynomial expression.  

5 0
3 years ago
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