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Elis [28]
2 years ago
12

What are the solutions of x^2-4x+5=0

Mathematics
2 answers:
Gnoma [55]2 years ago
7 0

Answer:

Factor {x}^{2}-4x-5x

​2

​​ −4x−5.

(x-5)(x+1)=0(x−5)(x+1)=0

2 Solve for x.

x=5,-1x=5,−1

Step-by-step explanation:

erma4kov [3.2K]2 years ago
3 0

Answer:

x=2+i or x=2-i

Step-by-step explanation:

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Evaluate the following expression when n=6. -6|n+3|
julia-pushkina [17]
I believe the answer is -33 
6 0
3 years ago
Paulina works out with a 2.5 kilogram mass. What is the mass of the 2.5 kilogram mass in grams?
Liono4ka [1.6K]
2.5 kilograms in grams is 2500 grams.

2.5kg = 2500g
5 0
3 years ago
Tamita is making popcorn balls. She has 18.5 ounces of syrup. The recipe says that each batch of popcorn balls needs 4 ounces of
bija089 [108]

Answer:

4 batches

Step-by-step explanation:

Total syrup made by Tamita = 18.5 ounces

Amount of ounces per batch = 4 ounces

If 1 batch = 4 ounces

x batches = 18.5 ounces

Cross multiply

4 * x = 18.5

x = 18.5/4

x = 4.625

Hence she can only make 4 batches of syrup

5 0
3 years ago
Who knows this? Help me please
Temka [501]

Answer:

1/8

Step-by-step explanation:

5 0
2 years ago
(15.2*0.25-48.51/14.7)/x=(13/44-2/11-5/66/2.50)1.2/(3.2+0.8(5.5-3.25)
goldfiish [28.3K]

Answer:

x = 41.67

Step-by-step explanation:

The above equation, would be simplified or divided into parts;

Therefore, the given equation becomes;

A/x = B/C

Where;

A = (15.2*0.25-48.51/14.7)

B = (13/44-2/11-5/66/2.50)1.2

C = 3.2+0.8(5.5-3.25)

x = unknown variable.

<u>Part A</u>

(15.2*0.25-48.51/14.7) = (15.2*0.25 - 3.3)

A = (3.8 - 3.3)

A = 0.5

<u>Part B</u>

(13/44-2/11-5/66/2.50)1.2 = (0.3 - 0.18 - 0.030) * 1.2

B = 0.09 * 1.2

B = 0.108

<u>Part C</u>

(3.2+0.8(5.5-3.25)

C = 4*(2.25)

C = 9

<em>Substituting the values into the equation, we have;</em>

0.5/x = 0.108/9

<em>Cross-multiplying, we have;</em>

9 * 0.5 = 0.108x

4.5 = 0.108x

x = 4.5/0.108

x = 41.67

6 0
2 years ago
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