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3 years ago

Que es mayor? -6, +5, +1, -2, 0, -8, +7, -4

Mathematics

1 answer:

masya89 [10]3 years ago

8 0

+7 es mayor

7 is the highest

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A bag contains 2 red checkers and 6 black checkers. a checker is selected, kept out of the bag, and then another checker is sele

yKpoI14uk [10]

Total checkers = 2 + 6 = 8
P(black, then red) = (6/8)(2/7) = 3/14

Answer: 3/14

5 0

3 years ago

Read 2 more answers

Angelina wants to buy the same number of pens and pencils. Pens come in 8 packs and pencils come in packs of 9. What is the leas

andrew11 [14]

Answer:

Angelina should buy 9 packs of pens and 8 packs of pencils.

Step-by-step explanation:

Each pack of pens = 8 pens

Each pack of pencils = 9 pencils.

Also we know that, Commutative Property of Multiplication states that

a x b = b x a for any two numbers a and b.

So, 8 x 9 = 72 = 9 x 8

Hence, she should buy 9 packs of pens, so she will have 9 x 8 = 72 pens.

And she should buy 8 packs of pencils, she will have 8 x 9 = 72 pencils.

7 0

4 years ago

Solve the matrix equation AX = B for the 2 x 2 matrix X.

svet-max [94.6K]

Https://us-static.z-dn.net/files/d97/0e792c3468a527257fdf3e35960f1aeb.jpg

I think this is right that X in the middle threw me off.

6 0

4 years ago

Commission Melanie receives a 3% commission on every house she sells. If she received a commission of $8571, what was the value

katrin2010 [14]

Given:

The percentage rate of commission, R=3%.

The commission recieved by Melanie, C=$8571.

The expression for commission amount is,

$C=\frac{R}{100}\times SP$

Here, SP is the sale price of the house.

Put R=3% and C=$8571 in the above equation to find sale price.

$\begin{gathered} 8571=\frac{3}{100}\times SP \\ SP=\frac{8571\times100}{3} \\ SP=285700 \end{gathered}$

Therefore, the sale price is $285700.

4 0

1 year ago

Can someone help me with the first 3 as it is my first time doing it ? <br> I need help

Fed [463]

You problem is you don't have any problem. You have a bunch of formulas for the perimeter and area of some shapes.

As for using the formulas, usually you're given all but one of the variables and you can solve for the remaining one.

Notice how the triangle result doesn't have area as a function of a, b and c. That's called Heron's formula and is usually not taught to secondary school students. I don't like to teach it either because Archimedes' Theorem is so much better:

The sides a,b,c and area S of a triangle satisfy

$16S^2 = (a+b+c)(-a+b+c)(a-b+c)(a+b-c) = 4a^2b^2-(c^2-a^2-b^2)^2 = (a^2+b^2+c^2)^2 - 2(a^4+b^4+c^4)$

7 0

3 years ago

Que es mayor? -6, +5, +1, -2, 0, -8, +7, -4​

Que es mayor? -6, +5, +1, -2, 0, -8, +7, -4