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3 years ago

HELP HELP HELP HELP HELP HELP

Mathematics

1 answer:

Airida [17]3 years ago

3 0

D: (1,-1) is your answer because on graph that’s were both lines cross each other

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Identify a pair of perpendicular lines in the given figure.

Ksju [112]

the answer is c

Step-by-step explanation:

because lines q and s are perpendicular to each other

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3 years ago

What type of number is -421

ludmilkaskok [199]

Answer:

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2 years ago

Your auto insurance is $900 per quarter. What should you use as the monthly average? The auto insurance is a fixed expense, but

Airida [17]

Answer:

$225

Step-by-step explanation:

A quarter is made up of 4 months,

If auto insurance is $900 per quarter, the monthly expense would be $900 / 4 = $225

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4 years ago

Solve by using Pythagorean Theorem, a= 5, b= x-1, and c=x

charle [14.2K]

The value of x is 13, from the values of x the values of a,b and c becomes 5, 12 and 13, which is obtained by using Pythagorean theorem.

Step-by-step explanation:

The given is,

a = 5

b = x - 1

c = x

Step:1

Pythagorean theorem is,

$a^{2} + b^{2} = c^{2}$ ................................(1)

( It states that the area of the square whose side is the hypotenuse is equal to the sum of the areas of the squares on the other two sides )

From the given values the equation (1) becomes,

$5^{2} + (x-1) ^{2} = x^{2}$

( $(a-b)^{2} = a^{2} + b^{2} -2ab$ )

25 + ( $x^{2}$ + 1 - 2x ) = $x^{2}$

25 + 1 -2x = 0 ( ∵ Eliminate $x^{2}$ in both sides)

26 = 2x

x = 13

Step:2

From the values of x,

a = 5

b = ( 13 - 1 ) = 12

c = 13

Result:

The value of x is 13, from the values of x the values of a,b and c becomes 5, 12 and 13, which is obtained by using Pythagorean theorem.

3 0

3 years ago

1. 8 + 2×=17 x=<br> 2. 2/7x +4 =8

Alenkinab [10]

1. X = 4.5
2. X= 14 I’m not sure for 2 but number one is write

6 0

3 years ago