3 years ago

What is (2,3) (4,1) (6,2) and (3,5) reflected across the y-axis ?

1 answer:

3 0

What are the units they have to be reflected by? here’s a bit of help:

x= up and down units
y= left and right units

i forgot if you add or subtract, but hopefully someone smarter will (:

good luck!

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So if i have a 82 in a class and i took a 100 point test and made a 100 and then i took another 100 point test and made a 60 wha

xeze [42]

Around an 80 percent depending on how much those test are worth towards your grade

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4 years ago

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Simplify the following expression using properties of exponents.<br> (4z)⁻³×(2z)⁵

Elena-2011 [213]

Answer:

z²/2

Step-by-step explanation:

The applicable properties of exponents are ...

(ab)^c = (a^c)(b^c)

(a^b)(a^c) = a^(b+c)

a^-b = 1/a^b

$(4z)^{-3}\cdot(2z)^5=(4^{-3})(z^{-3})(2^5)(z^5)=\dfrac{32}{64}z^{-3+5}\\\\=\boxed{\dfrac{z^2}{2}}$

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4 years ago

leon has a gift card for 100 he spent 6 of it on books describe the change in leons card balance in two different ways

11Alexandr11 [23.1K]

Step-by-step explanation:

use the negative number -$65 to represent the change in the value of Leon's card

use absolute value to say that his balance will be $65 less

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4 years ago

To find a reciprocal of a fraction, switch the numerator and denominator.

Aleks [24]

The reciprocal of -1/3 is -3/1
and the reciprocal of 4/1 is 1/4

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4 years ago

A bag contains 7 red marbles, 8 blue marbles and 4 green marbles. If three marbles

dybincka [34]

Answer:

Step-by-step explanation:

A bag contains 8 red marbles, 3 blue marbles and 7 green marbles.

Total = 18 marbles.

Probability of drawing three red marbles = probability of drawing one red without replacement + probab of drawing another without reeplacement + probab of drawing a third without replacement.

Probability of drawing three red marbles = 8/18 + 7/17 + 6/16 = 0.4444 + 0.4118 + 0.3750 = 1.2312.

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3 years ago