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1 year ago

What 2 + 2 a) fish b) 4? c) 22 D ) Math is hard

Mathematics

2 answers:

FrozenT [24]1 year ago

7 0

Answer:

D) Math is Hard

Step-by-step explanation:

Math is just hard. Trust me. It's as complicated as a middle school relationship. It's so complicated you would have a better chance of unraveling your childhood trauma before you understood the y=mx+b form. I am so sorry that we have to go through this, I know that it is a struggle. Whenever you get frustrated, remember this:

MATH =

Mental

Abuse

Humans

I am truely sorry. I hope you have a great life! : D

nata0808 [166]1 year ago

3 0

Answer:

it will be 4 because 2+2 will equal 4 just add 1+1+1+1= 4

Step-by-step explanation:

hope this helps

plz mark brainliest

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if a set covers a range of points, including those between isolated points, and cannot be written as a list, it is called

Trava [24]

If a set covers a range of points, including those between isolated points and can not be written as a list, it is called continuous set. Continuous set are not restricted to defined separate values, they can occupy any value over a continuous range.

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2 years ago

Data on the blood cholesterol levels of 6 rats give mean = 85, s= 12. A 95% confidence interval for the mean blood cholesterol o

lana [24]

The correct answer is:

c)75.4 to 94.6

Explanation:

The formula for a confidence interval is:

$\mu \pm z*(\frac{\sigma}{\sqrt{n}})$ ,

where μ is the mean, z is the z-score associated with the level of confidence we want, σ is the standard deviation, and n is the sample size.

Our mean is 85, our standard deviation is 12, our sample size is 6, and since we want 95% confidence, our z-score is 1.96:

$85\pm 1.96(\frac{12}{\sqrt{6}})=85\pm 9.6=85-9.6, 85+9.6=75.4, 94.6$

4 0

2 years ago

Read 2 more answers

Which graph is defined by the function given below? Y=(x-1)(x+4)

Andrej [43]

Answer:Graph C

Step-by-step explanation:

4 0

2 years ago

Erik and Caleb were trying to solve the equation: 0=(3x+2)(x-4) Erik said, "The right-hand side is factored, so I'll use the zer

Mumz [18]

Answer:

C) Both

Step-by-step explanation:

The given equation is:

$0=(3x+2)(x-4)$

To solve the given equation, we can use the Zero Product Property according to which if the product A.B = 0, then either A = 0 OR B = 0.

Using this property:

$(3x+2) = 0 \Rightarrow \bold{x = -\frac{2}{3}}\\(x-4) = 0 \Rightarrow \bold{x = 4}$

So, Erik's solution strategy would work.

Now, let us discuss about Caleb's solution strategy:

Multiply $(3x+2)(x-4)$ i.e. $3x^2-12x+2x-8$ = $3x^2-10x-8$

So, the equation becomes:

$0=3x^2-10x-8$

Comparing this equation to standard quadratic equation:

$ax^2+bx+c=0$

a = 3, b = -10, c = -8

So, this can be solved using the quadratic formula.

$x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}$

$x=\dfrac{-(-10)\pm\sqrt{(-10)^2-4\times3 \times (-8)}}{2\times 3}\\x=\dfrac{-(-10)\pm\sqrt{196}}{6}\\x=\dfrac{10\pm14}{6} \\\Rightarrow x= 4, -\dfrac{2}{3}$