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Firlakuza [10]
3 years ago
10

Question 9) Help me please

Mathematics
2 answers:
Rufina [12.5K]3 years ago
8 0
C. (-9, -2)

Hope this helps!
marta [7]3 years ago
4 0

Answer:

the pidodoesnt open for me

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al triplicar la temperatura registrada en un dia caluroso se obtiene 69.C cual era la temperatura inicial
katrin2010 [14]

Answer:

8.30662386292= mas o menos 8

Step-by-step explanation:

Para este pregunta, se necesita encontrar el raiz cuadrada de 69, porque 69 esta triplicada, entonces la temperatura inicial era  mas o menos 8

8 0
3 years ago
Write the point-slope form of the given line that passes through the points (0, 3) and (4, 0). Identify (x1, y1) as the x-interc
Oksi-84 [34.3K]

The point slope form of the line has the following form:

y – y1 = m (x – x1)

 

The slope m can be calculated using the formula:

m = (y2 – y1) / (x2 – x1)

m = (3 - 0) / (0 – 4) = - ¾

 

So the whole equation is:

y – 0 = - ¾ (x – 4)

y = - ¾ (x – 4) or

<span>y = - 0.75 (x – 4)</span>

7 0
3 years ago
What is the surface area of this triangular prism rounded to the nearest tenth?
Bumek [7]
Surface Area = 108,162 yards
3 0
3 years ago
According to Descartes's rule of sign, how many possible positive and negative roots are there for the equation
damaskus [11]
<h2>Descartes Rule of Sign</h2><h3>Answer:</h3>

There are 3 Real Roots for the Equation

<h3>Step-by-step explanation:</h3>

According to Descartes Rule of Sign, The maximum number of real roots a polynomial equation has is the number of times the sign of term changes from a higher power term to a lower power term.

In the given equation, 0=-4x^6-3x^5+2x^2-4x+1, we can already see that from \red -4x^6 to \red -3x^5 we can see that the sign didn't change so there might be no real roots. From \red -3x^5 to \blue +2x^2, we can see that the signs change so we now know that there might be 1 real root for equation. From \blue +2x^2 to \red -4x, the signs changed so there might be 2 real roots. From \red -4x to \blue +1, it changed again so there might be 3 real roots. There are no other term with lesser power to compare for \blue +1 so we are left with 3 real roots.

7 0
3 years ago
Read 2 more answers
Ralph sold brownies for ?$0.27 a piece in order to earn money to buy baseball cards. If the cards cost ?$0.81 per? pack, and if
ira [324]
<h2>Greetings!</h2>

Answer:

3 brownies

Step-by-step explanation:

To find this answer we need to divide the 0.81 by 0.27 to find out how many brownies total 0.81:

0.81 ÷ 0.27 = 3

So he needs to sell 3 brownies.


<h2>Hope this helps!</h2>
3 0
3 years ago
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