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Lady_Fox [76]
3 years ago
9

Simplify -4+8-2 and 8-(-3)-5

Mathematics
1 answer:
bagirrra123 [75]3 years ago
3 0

Answer:

-2 and 6

Step-by-step explanation:

- 4 + 8 - 2

- 6 + 8

= - 2

○●○●○●○●○●○●○●○●○●○●○●○●○●○

8 - ( - 3) - 5

8 + 3 - 5

= 6

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If I did 12x=96 and then of course did 12 divided by 12 to get x by itself, and then I do 12 divided by 96 which is 8, but what
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You would divide and get a decimal
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Describe triangle ABC in terms of its sides and angles
Nimfa-mama [501]

Answer:

Right angle triangle

Step-by-step explanation:

  • Given triangle is right angle triangle
  • It is a type of triangle that has one of it's angles equal to 90 degrees.
  • The other two angle sum up to 90 degrees.
  • Here AC  side is perpendicular and the AB side is base of the triangle.
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Divide and answer.<br> 2.92 ÷ 10
Leni [432]

The Answer to your problem is:

0.292

8 0
3 years ago
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Step by step please and thank you.
cupoosta [38]

Answer:

  the probability is 2/9

Step-by-step explanation:

Assuming the coins are randomly selected, the probability of pulling a dime first is the number of dimes (4) divided by the total number of coins (10).

  p(dime first) = 4/10 = 2/5

Then, having drawn a dime, there are 9 coins left, of which 5 are nickels. The probability of randomly choosing a nickel is 5/9.

The joint probability of these two events occurring sequentially is the product of their probabilities:

  p(dime then nickel) = (2/5)×(5/9) = 2/9

_____

<em>Alternate solution</em>

You can go at this another way. You can list all the pairs of coins that can be drawn. There are 90 of them: 10 first coins and, for each of those, 9 coins that can be chosen second. Of these 90 possibilities, there are 4 dimes that can be chosen first, and 5 nickels that can be chosen second, for a total of 20 possible dime-nickel choices out of the 90 total possible outcomes.

  p(dime/nickel) = 20/90 = 2/9

8 0
3 years ago
1. Solve and verify each of the following systems of linear equations.
kakasveta [241]
5x - 2y = -6 ⇒ 10x - 4y = -12
2x - 1y =  1 ⇒ <u>10x - 5y =    5</u>
                                  y = -17
                   5x - 2(-17) = -6
                       5x + 34 = -6
                       <u>      - 34 - 34</u>
                               <u>5x</u> = <u>-40</u>
                                5       5
                                 x = -8
                           (x, y) = (-8, -17)

2x + 3y = 432 ⇒ 10x + 15y = 2160
5x + 2y =   16 ⇒ <u>10x +   4y =     32</u>
                                     <u>11y</u> = <u>2128</u>
                                      11       11
                                         y = 193.4545455
          2x + 3(193.4545455) = 432
              2x + 580.3636364 = 432
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                                       <u>2x</u> = <u>-148.3636364</u>
                                        2                2
                                         x = -74.1818182
                                   (x, y) = (-74.1818184, 193.4545455)
6 0
3 years ago
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