2 years ago

8. (19x - 18) (10x -9 (7x+1)

Mathematics

1 answer:

harkovskaia [24]2 years ago

4 0

Answer:

162

Step-by-step explanation:

assuming you forgot the parentheses at the end of '9'. Do you want an explanation?

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Answer:

Step-by-step explanation:

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2 years ago

Factorise by grouping: x² - 5x + 2x - 10

IrinaK [193]

Answer:

(x + 2)(x - 5)

Step-by-step explanation:

Here are the steps:

$x^2-5x+2x-10\\(x^2-5x)+(2x-10)\\x(x-5) + 2(x-5)\\(x + 2)(x-5)$

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3 years ago

10(x – 9) > -270<br> How do I do this ?

Ilia_Sergeevich [38]

Answer:

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Step-by-step explanation:

10 ( x - 9 ) > -270

Treat the inequality like an equation,

Distribute first:

10 ( x - 9 ) > - 270

10x - 90 > -270

Inverse operations:

10x - 90 > -270

+90 +90

10x > -180

/10 /10

x > -18

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2 years ago

A right triangle ABC is shown below: The area of the triangle above will equal one-half of a rectangle that is 5 units long and

wlad13 [49]

Answer:

2 units wide. area=1/2 of 5 x 2. so, 5 x 2 is 10. whats half of ten? 5. the area of the triangle is 5

Step-by-step explanation:

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3 years ago

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Help me please with this

Nutka1998 [239]

Answer:

Step-by-step explanation:

Solving the inequality

$\frac{x+3}{6}$ > $\frac{x}{4}$ + 1

Multiply through by 12 ( the LCM of 6 and 4 ) to clear the fractions

2(x + 3) > 3x + 12

2x + 6 > 3x + 12 ( subtract 2x from both sides )

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Thus x = - 10 is a solution to the inequality

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2 years ago

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