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GalinKa [24]
2 years ago
9

(2x-3)(3x+4) Pls help urgent

Mathematics
2 answers:
Klio2033 [76]2 years ago
6 0
6x²-x-12
Use the foil method to multiply each term and then simplify
Serhud [2]2 years ago
5 0

Answer:

  • \boxed{\sf{6x^2-x-12}}

Step-by-step explanation:

Use the distributive property.

Use the foil method formula.

<u>Distributive property:</u>

⇒ A(B+C)=AB+AC

<u></u>

<u>Foil method formula:</u>

\Longrightarrow: \sf{(A+B)(C+D)=AC+AD+BC+BD}

<h3>(2x-3)(3x+4)</h3>

→ 2x*3x+2x*4-3*3x-3*4

<u>Solve.</u>

\Longrightarrow: \sf{2x*3x+2x*4-3*3x-3*4=\boxed{\sf{6x^2-x-12}}}

  • <u>Therefore, the correct answer is 6x²-x-12.</u>

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

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Answer: It will take \frac{7}{3} of an hour to complete the test.

Step-by-step explanation:

We need to convert the mixed number 1\ \frac{1}{3} to an improper fraction:

1\ \frac{1}{3}=\frac{(1*3)+1}{3}= \frac{4}{3}

Now, we need to make the following add the fractions in order to calculate how many hours will it take to complete the test. Then, we get:

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Therefore, it will take \frac{7}{3} of an hour to complete the test.

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3 years ago
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B. A cow of 5 years is predicted to produce 5.5 more gallons per week.

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Let M(a) = 40.8-1.1\cdot a, where a is the age of the dairy cow, measured in years, and M(a) is the predicted milk production, measured in gallons per week.

Besides, we consider a_{1} and a_{2}, such that a_{1}\ne a_{2}, we define the difference between predicted milk productions (\Delta M) below:

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