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REY [17]
3 years ago
9

I hope it’s clear enough but can some please help

Mathematics
1 answer:
Liula [17]3 years ago
6 0

Answer:

b

Step-by-step explanation:

hope this helps you! have a good day!

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Solve the equation x^5-4x^4+4x^3+2x^2-5x+2=0
sergejj [24]

Answer:

x = 2 or x = 1 or x = -1

Step-by-step explanation:

Solve for x over the real numbers:

x^5 - 4 x^4 + 4 x^3 + 2 x^2 - 5 x + 2 = 0

The left hand side factors into a product with three terms:

(x - 2) (x - 1)^3 (x + 1) = 0

Split into three equations:

x - 2 = 0 or (x - 1)^3 = 0 or x + 1 = 0

Add 2 to both sides:

x = 2 or (x - 1)^3 = 0 or x + 1 = 0

Take cube roots of both sides:

x = 2 or x - 1 = 0 or x + 1 = 0

Add 1 to both sides:

x = 2 or x = 1 or x + 1 = 0

Subtract 1 from both sides:

Answer:  x = 2 or x = 1 or x = -1

3 0
3 years ago
Multiply using napier's rods 3x4565
svetlana [45]
Thats funny :)

Good luck :)

8 0
3 years ago
Megan's family had cakes on two days. The first day, they had 2 3/4 cakes left. The second day, they had 1 1/4 cakes left. How m
vlabodo [156]

Answer: 4 cakes left in all.


Step-by-step explanation:

Given: Cakes left on first day= 2\frac{3}{4}=\frac{11}{4}

Cakes left on second day =1\frac{1}{4}=\frac{5}{4}

The number of cakes left in all=\frac{11}{4}+\frac{5}{4}

⇒The number of cakes left in all=\frac{11+5}{4}=\frac{16}{4}

Therefore, The number of cakes left in all=4

8 0
3 years ago
Evaluate x(-y + z) for x = 5, y = 9, and z = 1.
NemiM [27]

Answer:

-20

Step-by-step explanation:

x(-y+z) [Switch in the values]

=5(-5+1) [Use distributive property and multiply]

=(-25)+5 [do the basic math]

=(-20) [final answer]

6 0
3 years ago
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Using the order of Operations, find the soultion. Evaluate the Expression 17 + 32 - 5 x 4
Ludmilka [50]

Answer:

19

Step-by-step explanation:

49 - 20

19

hope it helps u

5 0
2 years ago
Read 2 more answers
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