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Licemer1 [7]
3 years ago
15

Evaluate the expression when c=4. c2 +5c-8

Mathematics
2 answers:
aleksley [76]3 years ago
6 0

Given\: equation\:  ➠ \:{c}^{2}\:+\:5c\:-\:8

Value\: of\: c \:=\: 4

Evaluating c = 4 in equation .

⟶\:{c}^{2}\:+\:5c\:-\:8

⟶\:{4}^{2}\:+\:5(4)\:-\:8

⟶\:16\:+\:20\:-\:8

⟶\:36\:-\:8

⟶\:28

Dmitrij [34]3 years ago
6 0

Answer:

if c=4

then c2+5c-8

4*3+5*4-8

12+20-8

32-8

24.

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Step-by-step explanation:

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3 years ago
Which of the following must be true?
meriva

Answer:

BC < ED ⇒ answer A

Step-by-step explanation:

* Lets revise some facts in the triangle

- If one side of a triangle is longer than another side, then the angle

 opposite the longer side will be larger than the angle opposite the

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- If one angle in a triangle is larger than another angle in a triangle,

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* Lets solve the problem

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∵ The other two sides of the 2 triangles BCD and DEB are equal

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