2 years ago

Can you help me please, I don't want to get this wrong.

Mathematics

2 answers:

gogolik [260]2 years ago

6 0

The answer is number 3

KatRina [158]2 years ago

5 0

Answer:

The answer is number 3 Because it is supposed to divide the number

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256 people said they liked the movie. If 1/2 of the people liked the movie, how many people watched the movie? Can I get help pl

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answer 128 people 256×1/2

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2 years ago

I need help asap please

rjkz [21]

Answer:

$x = -\frac{3}{2}$ or $x = 1$

Step-by-step explanation:

Using the zero product property, first step is to set the given equation, $2x^2 + x - 1 = 2$ , to zero. Then factorise the left side.

Thus,

$2x^2 + x - 1 = 2$

Subtract 2 from both sides

$2x^2 + x - 1 - 2 = 2 - 2$

$2x^2 + x - 3 = 0$

Factorise the left side

$2x^2 + 3x - 2x - 3 = 0$

$x(2x + 3) - 1(2x + 3) = 0$

$(x - 1)(2x + 3) = 0$

Find the solution

$x - 1 = 0$

$2x + 3 = 0$

$x = 1$

$2x + 3 = 0$

$2x = -3$

$x = -\frac{3}{2}$

The answer is: $x = 1$ or $x = -\frac{3}{2}$

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3 years ago

A bricklayer needs to order 6300kg of building sand.

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There are 1000 grams in a kg, so 6300x1000=6,300,000 grams

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2 years ago

How to solve problem

sergey [27]

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Four times a number<br> decreased by ten is 34.<br> Write an equation & solve.

igomit [66]

4x - 10 = 34
4x +10 +10
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