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Nostrana [21]
3 years ago
6

Let g(x)=x^2-3x+8 Find the value of g(-2)

Mathematics
1 answer:
Sonja [21]3 years ago
5 0
The value of g( -2 ) is 18.
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On Map 1, which has a scale of 1:25000, length of road is 5.5cm and the area of a park is 1.4cm2
Zolol [24]

Answer:

50 km

Step-by-step explanation:

So the map has a scale of 1 cm: 20 km. Next, you look at how far they are apart and see if the scale and the distance on the map are the same measurement. In this case, they are both centimeters so they stay the same. Then, all you do is multiple the real size, 20 km, by

2.5

1

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Pat can mow the grass on the football field in 45 minutes. Jordan can mow
Basile [38]

You set up the equation like this:

T/45+T/53=1

You find the least common factor of 53 and 45 and times both sides so you end up with this:

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Then divide 98 from both sides. That will be your answer.

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A university has ten dormitories for students. All of the dormitories have students of similar ages and offer the same convenien
lina2011 [118]

Answer:

a is correct

Step-by-step explanation:

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Write a equation of a hyperbola given the foci and the asymptotes
professor190 [17]

Solution:

The standard equation of a hyperbola is expressed as

\begin{gathered} \frac{(x-h)^2}{a^2}-\frac{(y-k)^2}{b^2}=1\text{ \lparen parallel to the x-axis\rparen} \\ \frac{(y-k)^2}{a^2}-\frac{(x-h)^2}{b^2}=1\text{ \lparen parallel to the y-axis\rparen} \end{gathered}

Given that the hyperbola has its foci at (0,-15) and (0, 15), this implies that the hyperbola is parallel to the y-axis.

Thus, the equation will be expressed in the form:

\frac{(y-k)^2}{a^2}-\frac{(x-h)^2}{b^2}=1\text{ ----equation 1}

The asymptote of n hyperbola is expressed as

y=\pm\frac{a}{b}(x-h)+k

Given that the asymptotes are

y=\frac{3}{4}x\text{ and y=-}\frac{3}{4}x

This implies that

a=3,\text{ and b=4}

To evaluate the value of h and k,

undefined

3 0
1 year ago
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