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ddd [48]
3 years ago
14

How do you know that x^2-8x+20 is always even

Mathematics
1 answer:
IgorC [24]3 years ago
8 0
I think it is because all of the numbers in the equation are even i think do not trust me on this 
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Como se simplifican las expresiones algebraicas
Bingel [31]

Answer:

Para simplificar cualquier expresión algebraica, las siguientes son las reglas y pasos básicos: Elimine cualquier símbolo de agrupación, como corchetes y paréntesis, multiplicando factores. Usa la regla del exponente para eliminar la agrupación si los términos contienen exponentes. Combina los términos semejantes mediante suma o resta.

8 0
3 years ago
Marsha spent $38.64 on 4 yards of string for a science project. She then discovers she needs an additional 6 yards. How much sho
daser333 [38]

Answer:

$38.64/4 = $9.66

its $9.66 for each yard

so $9.66 multiplied by 6 = $57.96

she should expect to pay $57.96 extra.

Step-by-step explanation:

8 0
3 years ago
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Find the equation of the linear function represented by the table below in slope-intercept form.
Anit [1.1K]

Answer:

es x positivo por qué y es negativo

Step-by-step explanation:

me entendiste

3 0
3 years ago
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The monthly salary of mr nadir is $6723.50 and his monthly expenditure is $3854.75. how much does he save in one year.
levacccp [35]

The one year savings of Mr. Nadir is $. 34, 425

Given:

Mr. Nadir Monthly salary = $6723.50

His monthly Expenditure = $3854.75

Now we have to find the savings amount of each month.

For that, first we have to calculate the remaining amount he has after spending the expenditure.

To calculate the remaining amount we have to subtract the expenditure from the total amount that's is his salary.

So,

Remaining amount = Salary - Expenditure

Remaining amount = 6723.50 - 3854.75

=> 2868.75

So, for one year he must save the amount

=> 2868.75 x 12 = 34425

To know more Salary and Expenditure here

brainly.com/question/24290667

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7 0
2 years ago
Pls answer question thx
m_a_m_a [10]

Answer:

x = 36.9°

Step-by-step explanation:

We need to find out what sides of the triangle we have, <em>so we can find the formula for the missing angle, x.</em>

We have been given the <em>opposite</em> and <em>hypotenuse</em> so we are using sine

SOH, CAH, TOA

sin (x) = opp ÷ hyp

<em>Substitute in the values</em>

sin (x) = 9 ÷ 15

<em>Simplify</em>

sin (x) = 0.6

<em>Rearrange to find x</em>

x = sin^-1(0.6) - Type this into your calculator

<h3>sin^-1 is the inverse or opposite of sin</h3>

x = 36.8698... ≈ 36.9°

8 0
3 years ago
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