3 years ago

Find the value of x.

Mathematics

1 answer:

Arada [10]3 years ago

7 0

Answer:

Problem 4: x = -11

Problem 5: x = -7

Step-by-step explanation:

Problem 4:

x + 51 + 60 + 80 = 180

x + 51 + 60 + 80 - 51 - 60 - 80 = 180 - 51 - 60 - 80

x = -11

Answer: x = -11

Problem 5:

45 + 52 + x + 90 - 90 - 52 - 45 = 180 - 90 - 52 - 45

x = -7

Answer: x = -7

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Answer:

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Step-by-step explanation:

We require to calculate the difference

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= 2x² - 11 - 7x + 9 ← collect like terms

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4 years ago

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Step-by-step explanation:

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Klio2033 [76]

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4 years ago

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Find the sum of square root 5 and 2 square root 16 in simplest form. Also, determine whether the result is rational or irrationa

a_sh-v [17]

Answer:

sqrt(5) + 8

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Brainliest, please!

Step-by-step explanation:

sqrt(5) + 2sqrt(16)

sqrt(5) + 2(4)

sqrt(5) + 8

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