The opposite of the opposite of -5 is....

Answers

Answer 1

Answer: 5 ? maybe i would suppose

Answer 2

Answer: The opposite of -5 is +5

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Determine if the following lines are parallel, perpendicular, or neither. y=x-8 x+y=-5

Jasmine sold half of her Barbie doll Collectionand then bought 9 dolls. She now has 13 dolls.
Barbie dolls did she begin with?
How many

Answers

Answer: 8 dolls.

Explanation: 13 - 9 = 4, 4 x 2 = 8.

Work the equation backwards... she has bought 9 extra dolls to add on the the half of her original amount. Without the extra 9 dolls (13 - 9), Jasmine has half of her original amount left (4) and so to find the original amount of dolls, think that if 4 is half the amount, what is 4 half of? 4 is half of 8 and so 8 is the original amounting dolls she had.

Which of the following statements are true? Check all that apply For all real numbers a and b, a b b+ a For all real numbers a and b, ab ba. For all real numbers a and b, a b a For all real numbers a and b For all real numbers a, and c, (a b) c a (b c) b For all real numbers a, b and c, (a b) c a (b-c For all real numbers a, b and c, a b c) ab ac

Answers

Among the options for the property of the real numbers, are as follows, 1,2,5, and 7.

Gvien that,
Among the option, to choose the correct option which holds the property mentioned for the real numbers

What is a number system?

A number system is described as a technique of composing to represent digits. It is the mathematical inscription for describing the numbers of a given set by using numbers or other characters in a uniform method. It delivers a special presentation of every digit and describes the arithmeticstructure.

Here,

for a and b, all real number
(1)
a + b = a + b, ture

(2)
ab = ba, true

(3)
a - b ≠ b - a false

(4)
a / b ≠ b/a, flase

(5)

(a + b) + c = a + (b + c), true

(6)

(a - b) - c = a - (b - c), false

(7)

a(b + c) = ab + ac

Thus, among the options, the correctoption is as follows, 1,2,5, and 7.

Learn more about the number system here:

brainly.com/question/22046046

#SPJ2

The actual answers are 1,2,5, and 7 ik this bc i got it wrong and it said these are correct

Which of the following integers is in the solution set of │1 – 3x│ < 5 ?I -1
II 1
III 2

Answers

$|1-3x| < 5\n\nx=-1\n\n|1-3\cdot(-1)| < 5\n\n|1+3| < 5\n\n|4| < 5\n\n4 < 5-the\ true$

$x=1\n\n|1-3\cdot1| < 5\n\n|1-3| < 5\n\n|-2| < 5\n\n2 < 5-the\ true$

$x=2\n\n|1-3\cdot2| < 5\n\n|1-6| < 5\n\n|-5| < 5\n\n5 < 5-the\ false$

$|1-3x| < 5\n\n1-3x < 5\ \wedge\ 1-3x > -5\n\n-3x < 5-1\ \wedge\ -3x > -5-1\n\n-3x < 4\ /:(-3)\ \wedge\ -3x > -6\ /:(-3)\n\nx > -(4)/(3)\ \wedge\ x < 2\n\nx\in(-(4)/(3);\ 2)\n\nI\ x=-1\in(-(4)/(3);\ 2)\n\nII\ x=1\in(-(4)/(3);\ 2)\n\nIII\ x=2\notin(-(4)/(3);\ 2)$

What is the value of j in the equation √ j √ j 14 = 3√ j 10?

Answers

Answer:

the value of j in the given expression is: 16

Step-by-step explanation:

we are given the expression as:

$√(j)+√(j)+14=3√(j)+10$

$2√(j)+14=3√(j)+10\n \n3√(j)-2√(j)=14-10\n\n√(j)=4$

so on squaring both side we have $j=16$ .

Hence the value of j is 16.

The answer is 16.

The equation is:
√j + √j + 14 = 3√j + 10
2√j + 14 = 3√j + 10
14 - 10 = 3√j - 2√1
4 = √j

Now, we will square both sides of the equation:
4² = (√j)²
16 = j.

Therefore, j is 16.

ALGEBRA HELP, please help with problem, and show work

Answers

First of all, your second term is already wrong. When you divided 8x² by 4 ,
you should have written 2x² , not 4x² .

Make that correction, and then divide the whole thing by 'x'.

Then you'll have x² - 2x + 1 = 0 .

You should have no trouble solving that one,
(especially since it's a perfect square)

That gives you two (equal) solutions. But you should also ask yourself:
"Self ! Where is the third solution ? A cubic equation like the original
one needs three solutions."

I'll give you that one:
Look over the original equation, and look at what happens to it when x = 0 .
Then the left side becomes zero, and the equation is 0 = 0 . Since that's a
true statement, " x = 0 " is another solution of the cubic equation, and now
you have all three of them.

divide both sides by 4x:
x^2-2x+1=0
You can either factor, complete the square, or use the quadratic formula.
I'll factor this into (x-1)(x-1)=0
x-1=0, so x=1

Find the original price of a microwave oven. Discount: 20% Sale Price: $250.00

Answers

Let's take the original price as a
After the discount of 20%, the price is 250.
80/100 * a = 250
a = 250 * 100 / 80
a = 312.5

So original price is 312.5

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