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solong [7]
4 years ago
6

Polynomials -5x^2(6x − 1) ASAP will mark brainliest

Mathematics
2 answers:
pashok25 [27]4 years ago
7 0

Answer:

The answer would be 30ASx³ + 5ASx²

Step-by-step explanation:

Semmy [17]4 years ago
4 0

Answer:

-30x^3 + 5x^2 is the monomial times the binomial

Step-by-step explanation:

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Perform the indicated operation and write the result in the form a+bi:<br><br> (4/7 - i)(8/7 + 7/5i)
aivan3 [116]

We will apply the "FOIL" method for multiplying two binomials. In this method you will:

  1. Multiply the First terms of each binomial
  2. Multiply the Outside terms of each binomial
  3. Multiply the Inside terms of each binomial
  4. Multiply the Last terms of each binomial
  5. Add all of the new terms you have just found together

The mathematical representation of the FOIL method is shown as:

(a + b)(c + d) = ac + ad + bc + bd


Let's apply the FOIL method.

  1. The first two terms of each binomial are \frac{4}{7} and \frac{8}{7}. Multiplied together, we find the new term of \frac{4}{7} \cdot \frac{8}{7} = \frac{4 \cdot 8}{7 \cdot 7} = \frac{32}{49}.
  2. The outside two terms are \frac{4}{7} and \frac{7}{5} i. Multiplied together, these two terms are \frac{4}{7} \cdot \frac{7}{5}i = \frac{4 \cdot 7}{7 \cdot 5}i = \frac{28}{35}i.
  3. The inside two terms are -i and \frac{8}{7}. Multiplied together, these two terms are - \frac{8}{7} i.
  4. The last two terms are -i and \frac{7}{5} i. Multiplied together, these two terms are -i \cdot \frac{7}{5}i = -\frac{7}{5} i^2. Remember though that i^2 = 1, so our new term is actually \frac{7}{5}.
  5. Added together, we get: \frac{32}{49} + \frac{28}{35} i - \frac{8}{7} i + \frac{7}{5} = \frac{160}{245} + \frac{196}{245}i - \frac{280}{245}i + \frac{343}{245} = \frac{503}{245} - \frac{84}{245} i = \frac{503}{245} - \frac{12}{35}i.

Our final answer is \boxed{\frac{503}{245} - \frac{12}{35}i}.

7 0
3 years ago
Find the number that makes the ratio equivalent to 3:8 6:_
erik [133]

Answer:

6:16

Step-by-step explanation:

To find the answer you do 3x_=6 which the missing number is 2, so you do 8x2=16 because whatever you multiply the first number by you have to do the same to the second number in fractions, ratios, etc.

5 0
2 years ago
Please help me :,)<br><br>x=-2<br>x=-1<br>x=0<br>x=1<br>x=2​
timofeeve [1]

Answer:

x can equal either 0 or 1

Step-by-step explanation:

If we look at the chart, we see that the values of 3^x = 2x+1

when x is 0 and when x is 1

so f(x) = g(x) when x = 0 or 1

7 0
3 years ago
32 divided by 10-8 divided by 2-3
Alja [10]

Answer:

<h2>-3.8</h2>

Step-by-step explanation:

<h2>32÷10-8÷2-3</h2><h2>32÷10-4-3</h2><h2>3.2-4-3</h2><h2>3.2-7</h2><h2>-7.0-3.2</h2><h2>-3.8answer</h2>
8 0
2 years ago
Please help and please explain how you got the answer.
Vilka [71]
Diagonals of a rectangle are equal.
AC = BD
2(x - 3) = x + 5 Remove the brackets.
2x - 6 = x + 5 Add 6 to both sides.
2x = x + 5 + 6
2x = x + 11 Subtract x from both sides.
2x - x = 11
x = 11

AC = 2 (11 - 3) = 2*(8) = 16 <<<< Answer
BD = x + 5 = 11 + 5 = 16 <<<< Answer



4 0
4 years ago
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