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Ganezh [65]
3 years ago
8

Simplify. -2.(4) - 3. (-5)

Mathematics
1 answer:
allsm [11]3 years ago
3 0

Answer:

7=7

Step-by-step explanation:

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2g + h =2<br>g -h= -5<br><br>find g and h step by step explanation​
wel

Answer:

Step-by-step explanation:

2g + h = 2 --------------(I)

g - h = -5------------(II)

   g = -5 + h

Plugin g = -5 + h in equation (I)

  2(-5 + h) + h = 2              {Distributive property:a(b+c) = a*b +a*c}

(-5)*2 + h *2 + h= 2

-10 + 2h  + h    = 2

             3h = 2 + 10

       3h = 12

         h = 12/3

h = 4

Substitute h= 6 in equation (I)  

2g + 4 = 2

    2g = 2 - 4

    2g = -2

      g = -2/2

g = -1

6 0
2 years ago
Really, everytime I actually need help with a question,
MatroZZZ [7]

Answer: No one ever answers

Step-by-step explanation:

7 0
3 years ago
Let f(x)=cosx. Determine the x-value(s) where the function has a maximum or minimum value on [0,2π).
Ludmilka [50]

Answer:

can u say what subject is that

3 0
3 years ago
Don has an album that holds 900 coins . Each page of the album holds 9 coins . If 78​% of the album is​ empty, how many pages ar
laila [671]

Answer:  22% of the pages are filled up

Step-by-step explanation: 900/9= 100 78% of 100 is 78

22+78=100 therefore reaching 100 percent. since 78% is empty that means 22% is being used.

3 0
3 years ago
Find the value of 8(4+3)-21 divided by7
Doss [256]

Answer:

5

Step-by-step explanation:

First, let us simplify the expression on the left

8(4+3) - 21 = 8(7) - 21 = 8(7) - 3(7) = 7(8-3)

Divide this by 7 and you'll get 8-3 = 5

3 0
2 years ago
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