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Ulleksa [173]
3 years ago
12

4. There are 10 pupils in a class. Half of them are

Mathematics
1 answer:
Vlad1618 [11]3 years ago
4 0

Answer:

hello :)

no quite sure but I think it is:

50/100

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Solve 8x+2y=13 and 4x+y=11 using substitution
Aleonysh [2.5K]

Answer:

No Solution

Step-by-step explanation:

8x+2y=13                         4x+y=11               Subtract 4x on both sides to isolate y

                                        y=-4x+11       <---- Substitute this equation into the                                            

                                                                     equation 8x+2y=13

8x+2(-4x+11)=13

8x-8x+22=13

22=13 (not true)

No Solution          

                     

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The answer to the question is -1,-1

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Help me, please with math
ArbitrLikvidat [17]

Answer:

y=16

Step-by-step explanation:

3 0
2 years ago
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Determine if the two figures are congruent and explain your answer.
forsale [732]
The two figures are congruent because the side lengths are the same, therefore making the angle measures the same.
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3 years ago
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Sally is now 10 years older than Suki. 5 years ago, the sum of their age was 40. How old are they now?​
Nikitich [7]

Answer:

Sally is 30 and Suki is 20

Step-by-step explanation:

x = Sally's age

y = Suki's age

x = 10 + y

(x - 5) + (y - 5) = 40

x = 30, y = 20

7 0
2 years ago
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