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3 years ago

What times 4 equals 2/3

1 answer:

5 0

To find the answer, you have to do 2/3 divided 4, which equals 2/12, which is the same as 1/6. You get the answer 1/6, because 2/3 divided 4 is the same as 2/3 times 1/4, and if you do the math, you get 2/12, and you simplify it to 1/6.
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What is the standard form for the quadratic function?<br> g(x) = (x + 1)^2– 2

zloy xaker [14]

Answer: $g(x)=x^2+x-1$

Step-by-step explanation:

$(x+1)^2-2$

$x^2+2*1*x+1^2-2\\x^2+2x+1-2\\x^2+x-1$

3 0

3 years ago

Solve for b.<br> ab +c=d

timama [110]

Answer: B = $\frac{-c}{a}$ + $\frac{d}{a}$

Step-by-step explanation:

you need to get B alone so that would be subtracting everything around it

ab = -c + d

then you need to get that a away from it by dividing both sides by A

B = $\frac{-c}{a}$ + $\frac{d}{a}$

6 0

3 years ago

The owner of a computer repair shop has determined that their dailyrevenue has mean $7200 and standard deviation $1200. The dail

meriva

Answer:

The required probability is 0.0855

Step-by-step explanation:

Consider the provided information.

The daily revenue has mean $7200 and standard deviation $1200.

$\mu_{\bar x}=7200$

$\sigma=1200$

The daily revenue totals for the next 30 days will be monitored.

$\sigma_{\bar x}=\frac{\sigma}{\sqrt{n}}$

$\sigma_{\bar x}=\frac{1200}{\sqrt{30}}=219.089$

As we know $Z=\frac{\bar x-\mu_{\bar x}}{\sigma_{\bar x}}$

Substitute $\bar x=7500, \mu_{\bar x}=7200\ and\ \sigma_{\bar x}=219.089$ in above formula.

$Z=\frac{7500-7200}{219.089}=1.3693$

From the standard normal table P( Z >1.3693) = 0.0855

Hence, the required probability is 0.0855

7 0

3 years ago

Which set of ordered pairs represents a function?

frosja888 [35]

The correct is:

$[(-9,3),\:(-5,1),\:(7,-5),\:(4,3)]$

The definition of a function is that for every value of $x$ we get one from $y$ .

In the first appears $(-6,1)$ y $(-6,-7)$ , it is not a function, since it does not meet the definition given above, there can only be one value for x, if there are $2$ or more, called relation.

In 2 repeat: $(7,-6)$ and $(7,0)$

In 3 repeat: $(1,-3)$ and $(1,0)$

6 0

3 years ago

Qual o valor que Z assume?<br> -Cz+ 6z = Tz+ 83

o-na [289]

Answer:

$\large \boxed{z = \dfrac{83}{6 - C - T}}$

Step-by-step explanation:

$\begin{array}{rccl}-Cz + 6z & = & Tz + 83 & \\6z -Cz - Tz &= & 83 & \text{Subtracted Tz from each side}\\z(6 - C - T) & = & 83 & \text{Removed the common factor}\\z& = & \mathbf{\dfrac{83}{6 - C - T}} &\text{Divided each side by 6 - C - T}\\\end{array}\\\\\large \boxed{\mathbf{z = \dfrac{83}{6 - C - T}}}$

3 0

3 years ago