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mihalych1998 [28]
3 years ago
6

Use the quadratic function to predict f(x) if x equals 2. f(x) = −3x2 + 180x − 285

Mathematics
2 answers:
Lady bird [3.3K]3 years ago
7 0

Answer:

if x = 2

f(x) = -3x^2 + 180x -285

f(x) = -3*2*2 + 180*2 -285

f(x) = -12 + 360 -285

f (x) = 63

Step-by-step explanation:

nlexa [21]3 years ago
3 0
Is the x squared? Cause if so the answer is 63
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Pierre has more money than alex.
Lelechka [254]

Answer:

p = 2a-22

a= p-20

these will help you find the actual value

Step-by-step explanation:

this is not for the actual value

pierre = p

alex = a

p = a+20

p-20 = a

p+22 = 2a

p = 2a-22

7 0
3 years ago
Which inequality represents “35 is less than 3 times 4 more than a number”
Natasha2012 [34]
I believe it would be 3×4x<35
6 0
3 years ago
A snail moves at the speed of 76 millimeters per minute. Nancy writes the following steps to calculate this speed in centimeters
gizmo_the_mogwai [7]

Answer:

The step 3 is incorrect in the conversion, is not necessary

Step-by-step explanation:

we have

The speed is 76\frac{mm}{min}

we know that

1 mm=0.1 cm

1 min=1/60 h

so

76\frac{mm}{min}=76(0.1)/(1/60)=76(0.1)(60)=456\frac{cm}{h}

step 1

Multiply 76 by 0.1

76(0.1)=7.6

The step 1 is correct

step 2

Multiply the result obtained in step 1 by 60.

7.6(60)=456

The step 2 is correct

step 3

Multiply the result obtained in step 2 by 60

<u><em>This step is not correct</em></u>

therefore

The step 3 is incorrect in the conversion, is not necessary

4 0
3 years ago
which graph represents a line with a slope of -2/3 and a y-intercept equal to that of the line y=2/3x -2
gizmo_the_mogwai [7]
Y = 2/3x - 2....the y int here is -2

and u want a line with a slope of -2/3 and a y int of -2...
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ur x int can be found by subbing in 0 for y and solving for x
0 = -2/3x - 2
2/3x = -2
x = -2 * 3/2
x = - 3.....and u have an x int(where ur line crosses the x axis) at (-3,0)

so ur graph for this is : the 4th graph...the last one
7 0
3 years ago
Read 2 more answers
- In the 2016 Summer Olympics, the U.S. team won
kolezko [41]
The answer is 52.


20+52=72
5 0
3 years ago
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