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Troyanec [42]
3 years ago
15

Given that the function graphed is f(x), what is f(-2)?

Mathematics
1 answer:
Artist 52 [7]3 years ago
5 0

Answer:

-4

Step-by-step explanation:

f(-2) Means the y value when x is -2. Just find x=-2 and trace it until it intersects with the blue line. Then get the y-value of the point

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Write an equation of each line in standard form with integer coefficients.<br> 4. y = 2.4x + 1.8
Nadusha1986 [10]

Answer:

<h2>12x - 20y = -9</h2>

Step-by-step explanation:

The standard form of an equation of a line:

Ax+By=C

We have

4y=2.4x+1.8

Convert

4y=2.4x+1.8          <em>multiply both sides by 10</em>

40y=24x+18          <em>subtract 24x from both sides</em>

-24x+40y=18            <em>change the signs</em>

24x-40y=-18          <em>divide both sides by 2</em>

12x-20y=-9

3 0
3 years ago
Ruth knows she has a 25% chance of having a child with blue eyes and a 75% chance of having a child with brown eyes. Ruth consid
blondinia [14]
There is two event that needs to be made: 1. blue eyes, and 2. brown eyes. A spinner is made with a circle. A full circle has 360 degrees and it would be divided based on the probability of the event.
Blue eyes have 25% chance, so the angle of the spinner would be 25%*360°= 90°
Brown eyes have 75% chance, so the angle of the spinner would be 25%*360°= 270°

So, the 90° of the circle would be written as 1(blue eyes) and 270° of the circle will be written as 2(brown eyes).
8 0
3 years ago
Compute 4.659×104−2.14×104. Round the answer appropriately.
iogann1982 [59]

Answer:

261.98 is the value of the given expression.

Step-by-step explanation:

We have to find the value of the following expression:

4.659\times 104 - 2.14\times 104

Using the associative property, we can write and solve the given expression as:

(4.659 - 2.14)\times 104\\=2.519\times 104\\=261.976

Rounding off the answer, we get,

261.976\approx 261.98

Thus, 261.98 is the value of the given expression.

3 0
3 years ago
Jill estimated she would spend $50.00 a month on clothing. However, at the end of the year she discovered she actually spent $71
RideAnS [48]
50$ per month for 12 years would mean she spent only (50 x 12) 600$ per year.

She actually spent $711, her forecast was off target by (600-7111) $111.

She exceeded her budget by $111
5 0
3 years ago
5. Find the value of x in each of the following.<br> 2/3=6/x. 4/7=x/21
nikitadnepr [17]
6/9 and 12/21
i think this is the answer your looking for
7 0
3 years ago
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