3 years ago

Which algebraic expression is equivalent to the expression below? (6x + 13) + 6

Mathematics

1 answer:

finlep [7]3 years ago

8 0

Answer:

6x+19

Step-by-step explanation:

The parentheses do nothing here to stop you from adding - since every term in here is only being added, there is no reason to worry about the parentheses. Simply combine like terms (13 + 6) to achieve 6x + 19.

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artcher [175]

Answer:

x=-5/2, -3

Step-by-step explanation:

2x^2+11x+15=0

factor out the trinomial

(2x+5)(x+3)=0

zero property,

2x+5=0, x+3=0

2x=0-5=-5, x=-5/2

x=0-3=-3

3 0

3 years ago

Titan, one of saturn's moons, is really large! It has a diameter of 5.15x100 kilometers wide! How large is Titan?

ivann1987 [24]

5.15 * 100

= 515

515 kilometers wide.

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3 years ago

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Lerok [7]

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3 years ago

In only three days the temperature dropped by 24 degrees.How many degrees per day did the temperature drop?

yan [13]

Answer: 8° per day.

Step-by-step explanation:

Based on the information above, since we are informed that in three days, the temperature dropped by 24 degrees, the number of degrees per day that the temperature dropped will be go by dividing 24° by 3 days. This will be:

= 24° / 3 days

= 8° per day

6 0

3 years ago

I need help can someone help me pls

sattari [20]

Answer:

D: 25 miles

Step-by-step explanation:

Pythagorean Theorem:

$a^{2} + b^2 = c^2$

36^2 + b^2 = 39^2

1,296 + b^2 = 1,521

b^2 = 225

b = 25

4 0

3 years ago