4 years ago

What are decimals please help me

Mathematics

1 answer:

vampirchik [111]4 years ago

5 0

Answer:

A decimal is a number that can't be divided easily

Step-by-step explanation:

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Graph the line that passes through the point (0,-7) and (-3,-9) and determine the equation of the line

Blababa [14]

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The equation is y=2/3x-7

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4 years ago

What is the solution to the inequality? -2/3(2x - 1/2) ≤ 1/5x - 1 Express your answer in interval notation.

almond37 [142]

ANSWER

$-\frac{2}{3}(2x-\frac{1}{2})\le \frac{1}{5}x-1$

Multiply through by LCM of 15

$(15) \times -\frac{2}{3}(2x-\frac{1}{2})\le 15(\frac{1}{5}x-1)$

$-10(2x-\frac{1}{2})\le 3x-15$

Expand brackets to obtain,

$-20x+5\le 3x-15$

Group like terms

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$x\ge \frac{20}{23}$

In interval form it is written as

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3 years ago

Rachel has taken 6 tests so far and has received scores of 83%, 92%, 79%, 88%, 89%, and 95%. What must Rachel receive on her sev

Vinil7 [7]

Let the score on her seventh test be "x".

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$\frac{83+92+79+88+89+95+x}{7} =90\\\\ \frac{526+x}{7}=90\\\\ 526+x=630\\\\x=630-526\\\\ \boxed{x=104}$

∴ He must get 104% on his seventh test to get an average score of 90%

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4 years ago

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Please help........................

Rama09 [41]

Answer:

x = 7

Step-by-step explanation:

Since BD is the angle bisector of ∠ABC, then

∠ABD = ∠CBD, that is

2x + y = 14 + y ( subtract y from both sides )

2x = 14 ( divide both sides by 2 )

x = 7

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3 years ago

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What are decimals please help me ​

What are decimals please help me