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Vadim26 [7]
3 years ago
8

This is a true or false answer please help me**

Mathematics
1 answer:
Nitella [24]3 years ago
3 0

Answer:

5False

6  true

7 true

Step-by-step explanation:

5 Complementary angles add to 90 degrees not 180 degrees

6  40+50 = 90 so they are complementary

7 Supplementary angles add to 180

   145+x = 180

Subtract 145 from each side

145-145 +x = 180-145

   x = 35

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Answer:

see explanation

Step-by-step explanation:

Given

4a^{4} - 5a² + 1 = 0

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4u²  - 5u + 1 = 0

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product = 4 × 1 = 4 and sum = - 5

The factors are - 4 and - 1

Use these factors to split the u- term

4u² - 4u - u + 1 = 0 ( factor the first/second and third/fourth terms )

4u(u - 1) - 1(u - 1) = 0 ← factor out (u - 1) from each term

(u - 1)(4u - 1) = 0

Equate each factor to zero and solve for u

u - 1 = 0 ⇒ u = 1

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Convert u back into terms of a, that is

a² = 1 ⇒ a = ± 1

a² = \frac{1}{4} ⇒ a = ± \frac{1}{2}

Solutions are a = ± 1 , a = ± \frac{1}{2}

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3 years ago
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Fynjy0 [20]

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Step-by-step explanation:

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Answer:

Please check the explanation.

Step-by-step explanation:

<u>Determining equation B from Equation A</u>

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Hence, equation B can be obtained by implementing the distributive law operation on equation A.

<u>Determining equation A from Equation B</u>

Given the equation B

5 = -2x + 2

Factor out common term -2 on the right-hand side of the equation

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