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coldgirl [10]
3 years ago
10

Factor to solve X^2-2x-15=0

Mathematics
1 answer:
zzz [600]3 years ago
4 0

Answer:

(x+3)(x-5)

Step-by-step explanation:

find two multiples of -15 that when added together create -2

those two numbers would be -5 and +3

-5x3=-15

-5+3=-2

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SOLVE<br> r(s 2) (t) when r = 2, s = 3, and t = 5 <br><br><br> pls help
Keith_Richards [23]

Answer:

320 or 40 sorry if I´m wrong

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Write the Pythagorean theorem equation in an equivalent form with the a² isolated.
maria [59]

Answer:

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

Step-by-step explanation:

Rewrite the Pythagorean Theorem equation in terms of a^{2}.

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

Subtract b squared from both sides.

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

6 0
3 years ago
Read 2 more answers
*NEED HELP ASAP*
GrogVix [38]
X^2 + y^2 - 2x + 7y + 1 = 0


(x^2 - 2x) + (y^2 + 7y) + 1 = 0


(x^2 - 2x + 1) + (y^2 + 7y) + 1 = 0+1


(x^2 - 2x + 1) + (y^2 + 7y + 49/4) + 1 = 0+1+49/4


(x - 1)^2 + (y + 7/2)^2 + 1 = 0+1+49/4


(x - 1)^2 + (y + 7/2)^2 + 1-1 = 0+1+49/4-1


(x - 1)^2 + (y + 7/2)^2 = 49/4


(x - 1)^2 + (y + 7/2)^2 = (7/2)^2


The final answer is choice B
7 0
3 years ago
Read 2 more answers
NO LINKS PLEASE,
STALIN [3.7K]

Answer:

0

Step-by-step explanation:

According to the divergence test, for an infinite series \sum a_n, the series diverges if \lim_{n \to \infty} a_n \neq 0.

Applying the divergence test here:

\lim_{n \to \infty} \frac{3n^5}{6n^6+1}=0

Therefore, the limit of the infinite series is 0.

5 0
2 years ago
What is the value of x?<br> Enter your answer in the box.<br><br> x =
LUCKY_DIMON [66]

Answer: x = 39  because 39 + 102 = 141 and 180 -  141 = 39

7 0
3 years ago
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