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3 years ago

Write a linear function f with the given values.

Mathematics

2 answers:

Mkey [24]3 years ago

6 0

Answer:

f is half of what x equals if that helps

mr Goodwill [35]3 years ago

3 0

Answer:

f(x)=2x is

a linear function f with the given values.

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Which is the equation of a parabola with vertex (0,0) and directrix y= 4

grandymaker [24]

Answer:

D. $x^{2} = -16\cdot y$

Step-by-step explanation:

The vertex form of the equation of the parabola centered in the origin, with axis of symmetry in the x-axis and directrix in the first and second quadrants is described by the following formula:

$4\cdot p \cdot y = x^{2}$ , $p < 0$ (1)

Where:

$y$ - Dependent variable.

$x$ - Independent variable.

$p$ - Focus distance.

If we know that vertex is located at (0, 0) and the directrix pass through (4, 0), then the focus distance (distance of the vertex with respect to that point) is -4, and the equation of the parabola is $x^{2} = -16\cdot y$ .

Hence, the right choice is D.

3 0

3 years ago

When you mix two colors of paint in equivalent ratios, the resulting color is always the same.

krek1111 [17]

Can i see the table

7 0

4 years ago

Read 2 more answers

Suppose that X ∼ N(−7, 14). Find the value of x for which P(|X + 7| ≤ x) = 0.44

grigory [225]

$\mathbb P(|X+7|\le x)=\mathbb P\left(\left|\dfrac{X+7}{14}\right|\le\dfrac x{14}\right)$
$=\mathbb P\left(|Z|\le\dfrac x{14}\right)=0.44$
$\implies\mathbb P\left(-7\le Z\le\dfrac x{14}\right)=0.22$
$\implies\mathbb P\left(Z\le\dfrac x{14}\right)=0.5+0.22=0.72$

$\implies\dfrac x{14}\approx0.5828$
$\implies x\approx8.1598$

6 0

3 years ago

I will mark you brainiest if you can answer this

Vlada [557]

Correct answer is C there are no solutions since the X gets cancelled out and 7 does not equal 8, so the answer is C

3 0

3 years ago

an investment made in the stock market decreased at a rate of 1.2% per year for 25 years. what is the current value of the 100,0

Ann [662]

Answer:

73947.52

Step-by-step explanation:

the equation would be 100000 * (0.988)^25

since time is 25 years, and rate is 0.988, since we are decreasing by 0.012.

5 0

2 years ago