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aev [14]
3 years ago
10

Simplify. Show your work. (3x−5)(2x+7)

Mathematics
2 answers:
Kazeer [188]3 years ago
5 0

Answer:

=6x^2+11x−35

Step-by-step explanation:

(3x+−5)(2x+7)

=(3x)(2x)+(3x)(7)+(−5)(2x)+(−5)(7)

=6x2+21x−10x−35

=6x2+11x−35

kow [346]3 years ago
4 0

Answer:

6x^2 + 11x -35

Step-by-step explanation:

Distribute so,

(3x)(2x)=6x^2

then,

(3x)(7)=21x

(-5)(2x)=-10x

21x - 10x = 11x

then,

(-5)(7)=-35

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Sergio039 [100]

Answer:

0.5:1

Step-by-step explanation:

laps:minutes

So we can find how much Ronald runs in 2 minutes, by dividing 6:12 (or 6/12) by 6. This will give you 1:2 (One lap = 2 minutes).

But you're looking for 1 minute, so with 1:2, you have to divide them by 1/2, so it will be 0.5:1.

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The sum of two consecutive natural numbers is 525.<br> Find the numbers.
Luda [366]

Answer:

262 and 263 are consecutive natural numbers whose sum is 525.

Step-by-step explanation:

Natural number are a subset of real numbers consisting in positive integers (i.e. 1, 2, 3, 525) and two natural numbers are consecutive when distance between each other is equal to 1. (|x-y| = 1, \forall\,x,y \in \mathbb{N}) We can interpret the statement mathematically by means of the following expression:

x + y = 525

x = n

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Where x, y, n \in \mathbb{N}.

This system is reduced to a single equation and solved afterwards:

n +(n+1) = 525

2\cdot n + 1 = 525

2\cdot n = 524

n = 262

Now we evaluate x and y to obtain the natural numbers:

x = 262

y = 263

262 and 263 are consecutive natural numbers whose sum is 525.

3 0
3 years ago
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Answer:

Its B

Step-by-step explanation:

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