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Ray Of Light [21]
2 years ago
15

Evaluate the function. f(3) = -36 Find f(-2) Answer: 3 2​

Mathematics
1 answer:
k0ka [10]2 years ago
6 0

Answer:

-12

Step-by-step explanation:

f(x) = -3x^2

Let x = -2

f(-2) = -3( -2)^2

     = -3 ( 4)

     = -12

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A bracelet is now reduced to £600. This is 80% of the original price.
Tems11 [23]

Answer:

the original is 1080.

Step-by-step explanation:

80%×600=480

480+600=1080

5 0
3 years ago
Read 2 more answers
I'm having a hard time on this problem. Plz help. Will mark brainliest.
Grace [21]

Answer:

<h2>y = 31</h2>

Step-by-step explanation:

We know: opposite angles in a parallelogram have the same measure.

Therefore we have the equation:

x+y=87+y            <em>subtract y from both sides</em>

x=87

We know: the sum of the angle measures in the triangle is 180°.

Therefore we have the equation:

42+(x+y)+20=180          <em>subtitute x = 87</em>

42+87+y+20=180

149+y=180              <em>subtract 149 from both sides</em>

y=31

7 0
3 years ago
A rental car company charges a base fee of $36.94 plus $0.60 per mile driven. If x represents the number of miles driven, which
Tom [10]
Answer: y=0.60x+36.94

To find the equation we just set y equal to the 0.60 cents times x miles plus the 36.94 base fee. Any questions just ask. Cheers
4 0
3 years ago
PLEASE HELP THIS A QUIZ DUE AT 9:00!
Svetllana [295]

Answer:

mmmm 7$ per week

Step-by-step explanation:

just divide 28/4=7

6 0
3 years ago
Read 2 more answers
What’s 13/18- 5/8??????
aev [14]
When adding or subtracting fractions that have a common denominator, simply subtract the numerators (top numbers) by each other. However, to subtract fractions with unlike denominators, find the LCD or "least common denominator". That is the lowest number both denominators can equate to.

\frac{13}{18} - \frac{5}{8} [tex] (\frac{13}{18})( \frac{4}{1} ) - (\frac{5}{8})( \frac{9}{1})  &#10;[/tex]
The LCD of 8 and 18 is 72.
Some of the multiples of 8 are: 8, 16, 24, 32, 64, 72, 80, 88, 96, 104...

The multiples of 18 are: 18, 36, 54, 72, 90
The lowest common multiple is 72.

Multiply each fraction by what it takes for the denominator to equal 72.
8 multiplied by what number = 72
8*9=72
18 multiplied by what = 72
18*4=72
Multiply both fractions respectively 
13/18*4= 13*4/72
5/8*9 = 5*9/72
52/72 - 45/72
Simplify
52-45/72
7/72
This being the answer for the original expression

I hope this helps! If you have any question feel free to ask!
6 0
4 years ago
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