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dedylja [7]
3 years ago
8

For what values of a and b is the line 3x y=b tangent to the curve y=ax3 when x=3?

Mathematics
1 answer:
Sav [38]3 years ago
6 0
Hello : here is a solution 

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Is this right?????? or not if it's not what's the correct answer (mark brainiest)
Agata [3.3K]

Answer:

Yes.

Step-by-step explanation:

You always do the operations in parenthese first.

"The order of operations is a rule that tells the correct sequence of steps for evaluating a math expression. We can remember the order using PEMDAS: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right)." -khanacademy . org > ...> order of operations

4 0
1 year ago
Read 2 more answers
One sixth of thirty-six hundredths is less than two-tenths less than four
horsena [70]
One sixth of 36 hundreths is 6 thousands which is 3.994 less than four meaning that answer is false.

4 0
2 years ago
Consider the enlargement of the pentagon
Katena32 [7]

Answer:

b. 3.3 centimeters

Step-by-step explanation:

\frac{7}{x} =\frac{15}{7} \\\\15x = 49\\x=3.3

3 0
2 years ago
Please help
Harrizon [31]

Answer:

(-1/2, 3/4)

Step-by-step explanation:

Let's use the elimination by adding or subtracting method.  Note that we have 8y in the first equation, and that we could obtain -8y in the second equation by multiplying the second equation by 2:

2(24x - 4y = -15) => 48x - 8y = -30

Now combine this result (this equation) with the first equation:

  2x + 8y = 5

+48x   -8y = -30

---------------------

 50x    =     - 25

Dividing both sides by 50, to isolate x, we get

x = -25/50 = -1/2.

Now substitute -1/2 for x in the first equation and solve the resulting equation for y:

  2x + 8y = 5

2(-1/2) + 8y = 5, or -1 + 8y = 5, or 8y = 6 (after having added 1 to both sides)

Dividing both sides of 8y = 6 by 8 leads to determining the value of y:

y = 6/8 = 3/4

The solution is (-1/2, 3/4).

3 0
3 years ago
If y varies directly as the square of x and y = 12 when x = 2 find the value of x when y = 108
dolphi86 [110]
108/12 = 9 so when y = 108 x = 9×2 which = 18 so when y =108 x = 18
8 0
3 years ago
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