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NikAS [45]
3 years ago
11

Evaluate the function f(x) = 3x2− 2x for x= 4.

Mathematics
1 answer:
kykrilka [37]3 years ago
6 0

Answer:

40

Step-by-step explanation:

f(4) = 3(4²) - 2(4)

= 3(16) - 8

= 48 - 8

= 40

when x=4, f(x) = 40

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Which conjunction is true?
Leya [2.2K]
From the given, first state about the isosceles triangle is FALSE. Having two congruent sides should be enough to describe the isosceles triangle. The addition of the measure of the angle is not necessary. 
  A square is indeed a rhombus and a rectangle.
A kite is a rhombus but not a parallelogram.
A right triangle need not be isosceles but should have two acute angles. 

Thus, the conjunction that is true among the choices is letter B. 
5 0
3 years ago
Assume a fair deck of playing cards. Find the probability of drawing a 10, replacing it and drawing an ace.
cupoosta [38]

Answer:

There are 52 cards in a deck. The total number of outcomes possible when picking 2 cards and replacing them is 52 * 52 = 2704.

There are 4 10s and 4 aces so the total number of successful outcomes = 4 * 4 = 16.

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6 0
3 years ago
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rewona [7]

Answer:

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Step-by-step explanation:

4 0
3 years ago
If a^16 is the same as 2^64, what is the absolute value of a?
Alisiya [41]

Answer:

a=16

Step-by-step explanation:

we know the power rule:

(a^{m})^{n} =a^{m*n}

In this problem we have

a^{16}=2^{64}

rasise both sides to 1/16

(a^{16})^{\frac{1}{16}}=(2^{64})^{\frac{1}{16}}

Applying the power rule

(a)^{\frac{16}{16}}=(2)^{\frac{64}{16}

simplify

a=(2)^{4}

a=16

3 0
4 years ago
Which of the following is not true about lines of symmetry?
taurus [48]
The statement that is untrue about lines of symmetry is C. A line of symmetry is a vertical line through the middle of a figure.

While this is one example of a line of symmetry, the line doesn’t have to be vertical every time. As stated in answer choice B, lines of symmetry can come from any direction, as long as it evenly splits the figure. This can be vertical, horizontal, and/or diagonal.

I hope this helps. :)
5 0
3 years ago
Read 2 more answers
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