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Leokris [45]
3 years ago
12

Opposites are also called______ _______ and have a sum of_____

Mathematics
2 answers:
Paul [167]3 years ago
8 0
Additive inverses , zero.
nasty-shy [4]3 years ago
3 0

opposites are also called additive inverse and have the sum of zero.

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-2p + 7= 11 i need a answer know pleas help me
siniylev [52]

Answer:

p= -3/2 or p= -1 1/2

Step-by-step explanation:

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What is the Natural Increase Rate (%) for the United States if there are 4 million Births and 2 million Deaths?
trapecia [35]

Answer:

it is almost 50% so good luck

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3 years ago
HELP PLS use the original price and markup to find the retail price. original price $68 markup 20%
insens350 [35]

Answer: $81.60

Step-by-step explanation:

When we have an original price OP, and a markup of X% (this is how much increases the price with respect to the original price)

The retail price will be:

RP = OP + (X%/100%)*OP

RP = OP*(1 + X%/100%)

In this case, we have:

Original price = OP = $68

markup = X% = 20%

Replacing these in the above equation, we get:

RP= $68*(1 + 20%/100%) = $68*(1 + 0.20)

RP = $68*(1.20) = $81.60

Then the retail price of this particular item is $81.60

4 0
3 years ago
What is the factored form of the expression?<br><br> d^2 = 36d + 324
Aleonysh [2.5K]

Answer:

(x-43.45)(x+7.45)=0.

Step-by-step explanation:

We have the quadratic equation d^{2}=36d+324 i.e. d^{2}-36d-324=0

Now, the roots of the quadratic equation ax^{2}+bx+c=0 are given by x=\frac{-b\pm \sqrt{b^{2}-4ac}}{2a}

So, from the given equation, we have,

a = 1, b =-36 , c = -324.

Substituting the values in x=\frac{-b\pm \sqrt{b^{2}-4ac}}{2a}, we get,

x=\frac{36\pm \sqrt{(-36)^{2}-4\times 1\times (-324)}}{2\times 1}

i.e. x=\frac{36\pm \sqrt{1296+1296}}{2}

i.e. x=\frac{36\pm \sqrt{2592}}{2}

i.e. x=\frac{36\pm 50.9}{2}

i.e. x=\frac{36+50.9}{2}  and i.e. x=\frac{36-50.9}{2}

i.e. x=\frac{86.9}{2}  and i.e. x=\frac{-14.9}{2}

i.e. x = 43.45 and x = -7.45

Hence, the factored form of the given expression will be (x-43.45)(x+7.45)=0.

4 0
3 years ago
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