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Varvara68 [4.7K]
3 years ago
12

For the function h defined by h(x) = 2x2 – 2, find h(-1/2).

Mathematics
1 answer:
Rainbow [258]3 years ago
6 0

The choose C. –1.5

I hope I helped youI hope ^_^

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Nate ordered several t-shirts for $7.90 each and paid $2 for shipping. If Nate spent a total of $160, how many t-shirts did he o
KatRina [158]

Answer:

20 Tshirts

Step-by-step explanation:

Tshirts = $7.90 each

Shipping = $2

Total amount = $160

Amount of tshirts bought = y

7.90y + 2 = 160

7.90y = 160 -2

7.90y = 158

Divide both sides by 7.9

y = 158÷7.9

y = 20

5 0
3 years ago
Which function has the given properties below? The domain is the set of all real numbers. One x-intercept is (2 pi, 0). The ampl
Tomtit [17]

The functions y = -4sin (x) and y = 4sin (x) has the given properties.Functions help to define the relationship between the independent and the dependent variable.

<h3>What is function?</h3>

A expressions defining a connection between the independent variable and dependent variable is known as the functions.

A feature that:

The domain is defined as the set of all real numbers.

a single x-intercept

The amplitude is four.

The y-intercept is defined as (0,0)

Because the specified function goes through the functions having "cosine," the functions containing "cosine" can be omitted from the selections (0,0). As a result, we have two options:

Hence  y = -4sin (x) and y = 4sin (x) has the given properties.

To learn more about the function refer to the link;

brainly.com/question/5245372

3 0
2 years ago
Which type of triangle is formed by joining the vertices A(-3, 6), B(2, 1), and C(9, 5)?
LenKa [72]
If you use the Pythagorean Theorem to find the length of the sides with A and B = to difference of X and Y of the points you'll find the lengths of the sides to be each different, therefore it is scalene. ex; difference between x coordinates of A and B is (-3 - 2) = -5, difference between y coordinates is (6 - 1) = 5, -5^2 + 5^2 = 50, sqrt 50 = 7.071, length of AB is 7.071. If two of the sides are equal in length, it is isosceles, and if all three are equal, it is equilateral. 

If you don't want an explanation, it's scalene. 

Here is a diagram:

8 0
3 years ago
Read 2 more answers
Write three million and nine tenths in standard form
Vladimir79 [104]
3,000,000 9/10
(9 over 10)
6 0
3 years ago
Read 2 more answers
The volume of a cuboid is 450cm3.
EleoNora [17]

Answer:

3cm

Step-by-step explanation:

The formula for the volume of the cuboid is w*l*h=volume

We already have the length, width, and volume, so we have to plug it in to the equation.

15*10*h=450 (Just a heads up in case you didn't know: the centimeters cubed is just part of the units, so you don't need to worry about it when plugging it in to the equation.)

To solve for h:

1. Multiply 15 and 10

150*h=450

2. Divide both sides by 150

h = 450/150

h = 3

This is in centimeters, so the final answer is 3cm.

3 0
3 years ago
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