What's the multiplicative inverse of -5 and 10 -5

Answers

Answer 1

Answer:

the answer is 5 and idek how to explain it... just use you brain

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Why are the equations w - x + x = w and w + x - x = w called identities?

Answers

They are indentical because the only thing that switched was the addition sign, and subtraction sign. If you look closely.

Identities have the same solution, and they are also called 'infinities'. That is because they include many solutions.

Y= 6x + 4 and y= 4x - 2

Answers

easy
sub since boht equal y, both are equal
6x+4=y=4x-2
6x+4=4x-2
minus 4x
2x+4=-2
minus 4
2x=-6
divide 2
x=-3
sub back
y=4x-2
y=4(-3)-2
y=-12-2
y=-14

solution in (x,y) form is
(-3,-14)

matrix or it can be y=4

A triangle has sides that measure 6m,8m,12m. is it a right triangle?

Answers

Answer:

because it should be 99

HOW can you use bar diagrams to compare quantities in real-world situations

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An example would be money! Money is a real life situation

Katrina saved $200 to purchase her tablet. her father spent 10 times as much money time buy his new computer. how much did her father's computer cost?

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Her father's computer cost $2,000

- Katrina saved $200 to purchase her tablet

This means Katrina saved an amount of $200 to be able to purchase the tablet which cost $200

- Her father spent 10 times as much money time buy his new computer

Katrina father also purchased a new computer which cost is 10 times the amount that Katrina saved to purchase her tablet

- How much did her father's computer cost?

Her father's computer cost $2,000 ($200 X 10 times)

See related question here brainly.com/question/1787018

He spent $2,000 on his computer

What is equivalent to (9x^2y^3) (12x^-3y^5) ( 2xy)

Answers

(((9•(x2))•(y3))•((22•3x(-3))•y5))•2xy((32x2 • y3) • (22•3x(-3)y5)) • 2xyMULTIPLYING EXPONENTIAL EQUATIONS:3.1    x(-1) multiplied by x1 = x((-1) + 1) = x0 = 1 Any number to the zero power is 1
MULTIPLYING EXPONENTIAL EQUATIONS:3.2    y8 multiplied by y1 = y(8 + 1) = y9
MULTIPLYING EXPONENTS: 3.3    22 multiplied by  21   = 2(2 + 1) = 23
FINAL RESULT:(33•23y9)

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Smith drives his car and covers 450 miles in 10 hours.At the same speed, how many hours will it take to cover 540 miles?Plz help

Evaluate 3/7r + 5/8s when r = 14 and s = 8.