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Nata [24]
3 years ago
7

Evaluate the function for x = 3a. f(x)=2x^2-3x 4

Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
5 0
Hello,

f(x)=2x^2-3x+4
f(3a)=2(3a)^2-3*(3a)+4=2*9a²-9a+4=18a²-9a+4
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A rectangle with length of 9 centimeters and width of 5 centimeters. The perimeter of the rectangle is cm. If the rectangle is d
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Answer: perimeter of the rectangle is 28 cm

54 cm and 30 cm

The new perimeter of the new rectangle is 168cm

The new perimeter is 6 times greater

Step-by-step explanation:

I just answered then and got it right

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4x−6÷x<br><br> x=6<br><br> Help please!
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4(6)-6/(6) = 23

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What is the image of (-5,1) after a dilation by a scale factor of 5 centered at the<br> origin?
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AnswStep-by-step explanation:

5 0
2 years ago
4(9-x)6-6(4-7x)&gt;5(1-2x)-8x+9(6-x)
Kazeer [188]

Answer:

x > 133/45

WORKING :

Multiply the number : 4 . 6 = 24

24(9-x) - 6 (4 - 7x) > 5 (1 - 2x) - 8x + 9 (6-x)

expand 24(9 - x) - 6(4 -7x) : 18x + 192

expand 5(1-2x) - 8x + 9(6-x) : - 27x + 59

18x + 192 > -27x + 59

subtract 192 from both sides

18x + 192 - 192 > -27x + 59 - 192

simplify

18x > -27x - 133

add 27x to both sides

18x + 27x > - 27x - 133 + 27x

simplify

45x > - 133

Divide both sides by 45

45x/45 > 133/45

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x > 133/45

FINALLY ANSWER :

X > 133/45

6 0
2 years ago
Os
algol [13]

Answer:

\boxed{\sf{4}}}

Step-by-step explanation:

Use a slope form.

<u>Slope:</u>

\sf{\dfrac{y_2-y_1}{x_2-x_1}=\dfrac{rise}{run}  }

y₂ = (17)

y₁ = (1)

x₂ = (2)

x₁ = (-2)

Then, rewrite the problem.

Solve.

\sf{\dfrac{17-1}{2-(-2)}=\dfrac{16}{4}=\dfrac{16\div4}{4\div4}=\dfrac{4}{1}=\boxed{\sf{4}    }

Therefore, the slope is 4, which is our answer.

I hope this helps you! Let me know if my answer is wrong or not.

5 0
2 years ago
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