3 years ago

What’s the distance between 120 and -50 on a number line ?

Mathematics

1 answer:

Vera_Pavlovna [14]3 years ago

6 0

Answer:

170

Step-by-step explanation:

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Find the solution set. |x|= 9 A. { } B. {-3 , 3} C. { -9, 9} D. {-81, 81}

Ierofanga [76]

Answer:

C. { -9, 9}

Step-by-step explanation:

An absolute value equation has 2 solutions, a positive and a negative

|x|= 9

x= +9 and x = -9

4 0

2 years ago

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What did they do incorrectly 40 + 70 + ? = 360 110 + ? = 360 -110 -110 ? = 250

Arte-miy333 [17]

Answer:

I guess they subtracted a 110 from -110 instead of subtracting from 360

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2 years ago

Find the solution set for this equation: -a2+4a=0 (Separate the two values with a comma)

Rashid [163]

$\quad \huge \quad \quad \boxed{ \tt \:Answer }$

$\qquad \tt \rightarrow \: \{ 0,4 \}$

____________________________________

$\large \tt Solution \: :$

$\qquad \tt \rightarrow \: - {a}^{2} + 4a = 0$

$\qquad \tt \rightarrow \: - ( {a}^{2} - 4a) = 0$

$\qquad \tt \rightarrow \: {a}^{2} - 4a = 0$

$\qquad \tt \rightarrow \:a(a - 4) = 0$

The two cases are :

a = 0

a -4 = 0, that leads to a = 4

We can conclude :

$\qquad \tt \rightarrow \:solution \: (a) = \{ 0,4\}$

Answered by : ❝ AǫᴜᴀWɪᴢ ❞

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2 years ago

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Which expression has a positive value? (-5)(-9) 2-4 12-1-4) -3+(-7)

11111nata11111 [884]

Answer:

(-5)(-9)

Step-by-step explanation:

any negative multiplied by any negative will always equal a positive

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3 years ago

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Claudia is hand painting crafts in her studio. She has 7/8 of an hour to paint before she must be home. It takes Claudia 1/16 an

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Answer:

Step-by-step explanation:

7/8 ÷ 1/16 = 7/8 × 16/1

7/8 × 16/1 = 14

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3 years ago