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3 years ago

Evaluate the expression when c=4.c²+5

Mathematics

2 answers:

lord [1]3 years ago

5 0

Answer:

c²+5=21

Step-by-step explanation:

(4)²+5 = 16+5

=21

Sauron [17]3 years ago

4 0

21 I think cause you use pemdas

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siniylev [52]

Answer:

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Step-by-step explanation:

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8 0

2 years ago

What dose 2+7x=5x+14 equal

weqwewe [10]

Answer:

$x=6$

Step-by-step explanation:

$2+7x=5x+14$

Subtract 2 from both sides:

$2+7x-2=5x+14-2$

$7x=5x+12$

Subtract 5x from both sides:

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Divide both sides by 2:

$\frac{2x}{2}=\frac{12}{2}$

$x=6$

3 0

3 years ago

Read 2 more answers

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Mice21 [21]

Answer:

The first option (5.7km)

Step-by-step explanation:

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