2 years ago

A DVD player is on sale for 15% of the regular price of $135. After the

Mathematics

1 answer:

marta [7]2 years ago

3 0

Answer:

the correct answer would be 13.5

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Is (2, 3) a solution to this system of equations? y : = x + 2 -1 y = -x + 4 2

MakcuM [25]

Step-by-step explanation:

so blue and pink = purple Yellow and red = orange

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2 years ago

If a=5+2i, b=-3+i and c=4i(2+3I), determine ab+c in simplest a+bi form

Nady [450]

Answer:

-29+7i

Step-by-step explanation:

(5+2i)(-3+i)

-15+5i-6i+2i²

i²=-1

Simplify

-17-i

Add c

c=4i(2+3i)

=8i+12i²

=8i-12

-17-i+8i-12

-29+7i

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1 year ago

Help me plz fot 27 28 and 29 tysm

puteri [66]

27 is Jahmya and $0.54
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3 years ago

Factor the following: 1. 5(a+3)²- (a+3 2. p²- 6 - q · (p²- 6)²

scoundrel [369]

Answer:

1. $(a + 3)(5a-14)$

2. $(p^2-6)[1-q(p^2-6)]$

Step-by-step explanation:

1. The first thing to do to factor the expression is to take the expression (a + 3) as a common factor with its lowest exponent.

Then the expression. $5(a + 3)^2- (a + 3)$ remains as:

$(a + 3)(5 (a + 3) -1)\\\\(a + 3)(5a +15 -1)\\\\(a + 3)(5a-14)$

2. The first thing to do to factor the expression is to take the expression $p^2 -6$ as its common factor with its lowest exponent.

Then the expression $p^2- 6 - q(p^2- 6)^2$ remains as:

$(p^2-6)[1-q (p^2-6)]$

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3 years ago

How many angles between 0° and 360° have a tangent of of 2/3?

slega [8]

Answer:

Step-by-step explanation:

The tangent is positive in quadrants I and III. There are two angles with that tangent value:

33.96° and 213.69°

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2 years ago