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Soloha48 [4]
2 years ago
12

Change the word phrase to an algebraic expression. Use x as the variable to represent the number.

Mathematics
1 answer:
Igoryamba2 years ago
4 0

Answer:

x-23

Step-by-step explanation:

if the number is x then you want to take 23 away so you have x-23

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Factor the expression completely I’ve the complex numbers X^4+10x^2+25
Elza [17]

We have

(a + b)² = a² + 2ab + b²

so that with a = x² and b = 5, we have

x⁴ + 10x² + 25 = (x² + 5)²

Next, we have

a² - b² = (a - b) (a + b)

so that with a = x and b = √5 i,

x² + 5 = x² - (-5) = (x - √5 i) (x + √5 i)

So, the complete factorization over the complexes is

(x - √5 i)² (x + √5 i)²

5 0
2 years ago
Ayuda es para hoy :C
olga55 [171]

Answer:

busca cymath.com

Step-by-step explanl

4 0
3 years ago
Evaluate |-a 2 ), given a = 5, b = -3, and c = -2.<br><br> 25<br>-25 <br>-10 <br> 10 ​
Temka [501]

Answer:

1-a2

1-5x2

-4x2= -8

Step-by-step explanation:

8 0
2 years ago
Please help me get this right I don’t know how to do it.
velikii [3]

Answer:

tan∠E=1/3

Step-by-step explanation:

Tangent or opposite/adjacent of angle E is segment HF/3 to solve for HF you can use sine of H opposite over hypotenuse or √8/HF=sin45°. Rearranging the equation you get √8/sin45°=HF and sin45°= 2√2 so √8/2√2=1 HF=1 now you know that tan(∠E)=1/3.

7 0
2 years ago
Fatheya purchased a prepaid phone card for $25. Long distance calls cost 12 cents a minute using this card. Fatheya used her car
Pachacha [2.7K]

Answer:

22 minutes

Step-by-step explanation:

First you take away the original amount away from the remaining amount.

$25 - $22.36 = $2.64

Then you take that number and divide it by the cents per minute.

$2.64 ÷ 12 = 0.22

Then that's your answer!

Her call lasted 22 minutes.

7 0
2 years ago
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