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3 years ago

Alex's batting average is 0.346 What is his batting average rounded to the nearest hundredth?

Mathematics

1 answer:

adell [148]3 years ago

4 0

0.35 because the hundredth is the second decimal point over and 6 means you round up

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Use natural logarithms to solve the equation. Round to the nearest thousandth. 6e4x - 2 = 3

frosja888 [35]

6 · e^(4x - 2) = 3
   e^(4x - 2) = .5
ln e^(4x - 2) = ln (.5)
4x - 2 = ln (.5)
   4x = ln (.5) + 2
   x = (ln (.5) + 2)/4
   x = 0.3267
   x ≈ 0.327

Answer: B

6 0

3 years ago

X - (7) = 13 help please

Bond [772]

Answer:

x=20

Step-by-step explanation:

inverse operation

add 7 to both sides

x=20

7 0

3 years ago

Read 2 more answers

Identify the zeros of the function f(x) = 4x2 − 8x − 1 using the Quadratic Formula. HELP ASAP!!

forsale [732]

$1+\dfrac{\sqrt{5}}{2},1-\dfrac{\sqrt{5}}{2}$

Step-by-step explanation:

The given equation is $4x^{2}-8x-1$

Let $a$ be the coefficient of $x^{2}$

Let $b$ be the coefficient of $x$

Let $c$ be the constant.

Then the roots α,β for the equation $ax^{2}+bx+c$ are $\dfrac{-b+\sqrt{b^{2}-4ac} }{2a},\dfrac{-b-\sqrt{b^{2}-4ac} }{2a}$

So,α= $\frac{-b+\sqrt{b^{2}-4ac} }{2a}=\frac{8+\sqrt{64+16} }{8}=\frac{8+4\sqrt{5}}{8}=1+\frac{\sqrt{5}}{2}$

β= $\frac{-b-\sqrt{b^{2}-4ac} }{2a}=\frac{8-\sqrt{64+16} }{8}=\frac{8-4\sqrt{5}}{8}=1-\frac{\sqrt{5}}{2}$ .

So the roots are $1+\frac{\sqrt{5}}{2},1+\frac{\sqrt{5}}{2}$

5 0

3 years ago

- f(x) = x^2– 4x – 9 g(x) = -3x – 5 Find: f(g(x))

VikaD [51]

it would beanummberjdjdhxndns

8 0

3 years ago

What are the answers to the last two questions?

irga5000 [103]

Answer:

$(-1)(x+3)(x-2)$

Step-by-step explanation:

Factoring

We are given a trinomial:

$-x^2-x+6$

The following steps are done to factor the trinomial.

1. Confirm there are no common factors: No common factors (given)

2. Factor out -1:

Multiply all the terms by -1 and take -1 out:

$\boxed{(-1)(x^2+x-6)}$

3. Factor

$x^2+x-6 = (x+p)(x+q)$

We have to find two numbers p and q whose product is -6 and the sum is 1. Those numbers are 3 and -2 (in any order):

Factoring:

$x^2+x-6 = (x+3)(x-2)$

The final factoring is:

$\boxed{(-1)(x+3)(x-2)}$

3 0

3 years ago