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Andru [333]
3 years ago
6

Factor completely 2x^2+7x+5

Mathematics
1 answer:
jeka943 years ago
5 0

Answer:

(2x+5)(x+1)

Step-by-step explanation:

We look for two numbers which multiply to 10(that is 2×5) and add to 7. Our numbers are 2and 5

2×5=10 and 2+5=7

Therefore we have

(2x²+2x)+(5x+5)

2x(x+1)+5(x+1)

(2x+5)(x+1)

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3 0
3 years ago
What is 7P4<br><br><br><br> A: 28<br><br> B: 35<br><br> C: 210<br><br> D: 840
Semmy [17]

Answer:

D

Step-by-step explanation:

using the definition of nP_{r} = \frac{n!}{(n-r)!}

where n! = n(n- 1)(n - 2)......× 3 × 2 × 1

here n = 7 and r = 4, hence

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4 0
3 years ago
Read 2 more answers
Help me please due TODAY
Ann [662]

Answer:

The answer is 3

Step-by-step explanation:

7.5 m

---------

  5

7.5(2)=15

-------------

       5

15

---    =3

5

7 0
3 years ago
Read 2 more answers
An object has a mass of 12kg. On planet A the object weighs 69N. The force of gravity on planet a is:
astraxan [27]

w = mg  

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<u>Answer: B) 5.75 m/s2</u>

8 0
3 years ago
...... ..... .... ....
OleMash [197]
14×2×2×2×2= 224
Chase scored 224 points on thursday
5 0
3 years ago
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