3 years ago

Are two lines with the same slope and different y intercept perpendicular sometimes true?

1 answer:

6 0

I don't believe so, last time i checked for two lines to be perpendicular they needed to have opposite reciprocal slopes.

For Example
If one line has a slope of 5
The second line has to have a slope of -1/5

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Donald's car gets about 30 miles per gallon. About how many miles can Donald drive on 9.2 gallons of gas? At $3.15 a gallon, abo

NNADVOKAT [17]

30x9.2= 276 miles
9.2x3.15=$28.98
So the car can drive 276 miles if you put $28.98 of gas in it.

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3 years ago

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Write the sum, and then write an equivalent expression by collecting like terms and removing parentheses whenever possible.

Yanka [14]

Answer:

The sum is $t$ .

Step-by-step explanation:

Consider the provided information.

The given expression are - 10t and t - 10t

We need to find the sum of the opposite of -10 t and t - 10t.

The opposite of -10 t is 10 t.

$10t+(t-10t)$

Remove the parenthesis.

$10t+t-10t$

Simplify the number

$10t-10t+t$

Use Additive inverse.

$t$

Hence, the sum is $t$ .

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3 years ago

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Travka [436]

Hope this helps you.

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3 years ago

How to factor completely x2-10x+21

HACTEHA [7]

X2-10x+21
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3 years ago

Estimate square root 250 to two decimal points

Juli2301 [7.4K]

OK, the square root of 250 is 15.811 . . .
but since this can't be expressed as a decimal for your purposes, let's try factoring. Since 250 ends in a zero, only numbers 5 or 0 or those ending in 5 or 0 could be factors.
The square root of 250 can be factored into the square root of 25 and the square root of 10.
The square root of 25 is exactly 5, and the exact square root of 10 is another decimal, so your simplified answer can be expressed as 5 times the square root of 10.

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