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Tcecarenko [31]
3 years ago
8

Which situation can be modeled by equation y=3x25​

Mathematics
1 answer:
djyliett [7]3 years ago
8 0
I believe the answer is a
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How do you write the problem fifteen more than twice a number is eight more than three times the number?
Evgen [1.6K]
we call n - the number 

2×n + 15 = 3×n + 8


2×n - 3×n = 8 - 15

-n = -7  │ ×(-1)

n=7
5 0
3 years ago
Find the coefficient of the squared term in the simplified form for the second derivative, f "(x) for f(x) = (x3 + 2x + 3)(3x3 −
diamong [38]

Use:\\(h(x)\cdot g(x))'=h'(x)g(x)+h(x)g'(x)\\\\h(x)=x^3+2x+3\to h'(x)=3x^2+2\\\\g(x)=3x^3-6x^2-8x+1\to g'(x)=9x^2-12x-8\\\\f(x)=(x^3+2x+3)(3x^3-6x^2-8x+1)\\\\f'(x)=(x^3+2x+3)'(3x^3-6x^2-8x+1)+(x^3+2x+3)(3x^3-6x^2-8x+1)'\\\\=(3x^2+2)(3x^3-6x^2-8x+1)+(x^3+2x+3)(9x^2-12x-8)\\\\=9x^5-18x^4-24x^3+3x^2+6x^3-12x^2-16x+2+9x^5-12x^4-8x^3+18x^3-24x^2-16x+27x^2-36x-24\\\\=18x^5-30x^4-8x^3-6x^2-68x-22

f''(x)=(18x^5-30x^4-8x^3-6x^2-68x-22)'\\\\=90x^4-120x^3-24x^2-12x-68\\\\Answer:\ \boxed{-24}

7 0
3 years ago
Read 2 more answers
Brian buys a computer for £2100.
elena55 [62]
It would be worth £1974
4 0
3 years ago
Help me please i dont get it.
Andre45 [30]

Answer:

x >  -  \frac{1}{3}

Step-by-step explanation:

9(2 - x) - 4(2 - 3x) > 9

18 - 9x - 8 + 12x > 9

10 + 3x > 9

3x > 9 - 10

3x >  - 1

\boxed{\green{x >  -  \frac{1}{3}}}

3 0
3 years ago
Read 2 more answers
There are 22 coins. The ratio of quarters to nickels is 5:6. How much money are the 22 coins equal to? *
Evgen [1.6K]

Answer:

$2.50 for quarters

$0.60

$3.10 hope this helps

Step-by-step explanation:

6 0
4 years ago
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