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adell [148]
3 years ago
12

Quanto é três x ao quadrado menos sete x mais dois e igual a zero ?

Mathematics
1 answer:
Sergeu [11.5K]3 years ago
3 0
3x² - 7 x 2 ? É isso ? 
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allochka39001 [22]
14720 is answer. or product

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3 years ago
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Divide.round your answer to the nearest hundredth 1divide 3
Sonbull [250]

Answer:

.33

Step-by-step explanation:

<em>Hey there!</em>

1 / 3

= .333333333

.33 rounded to the nearest hundredth

<em>Hope this helps :)</em>

3 0
2 years ago
Trapezoids and kites hw
miskamm [114]

Answer:

m<C = 101°

m<E = 46°

Step-by-step explanation:

*This was the only problem I could figure out so I'm sorry*

C equals 101° b/c 1/2 a circle angle equals 180° which is the line. Angle F and Angle C are corresponding interior angles (same side angles) so if both of them together should equal 180. 180 - 79 (<F) = 101 (<C).

You do the same thing to find Angle E b/c it's corresponding interior angles to Angle D.

I hope you understand this explanation

4 0
2 years ago
The mean is 10 <br>which team will have the greatest MAD?
lara31 [8.8K]

answer: Larger the MAD tells us that the ages of swimmer are far from the mean age. Thus means is not a relevant indicator for the data.

explonation:

We know that the mean absolute deviation (MAD) helps to know whether the mean of a data is a worthy indicator for the data values.

The larger the MAD tells us the values are spread out far from the mean .

Also, larger the MAD makes the mean less worthy as an indicator of the data elements within the data set.

6 0
3 years ago
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What is the equation of the quadratic graph with a focus of (6, 0) and a directrix of y = −10 ?
Mademuasel [1]

Answer:

(x-6)^{2}=20(y+5)^{2}


Step-by-step explanation:

The standard for for the equation of a parabola is  (x-h)^{2}=4p(y-k)

The focus is given as  (h, k+p)

The directrix is given by y=k-p

  • Comparing focus given as (6,0)  to formula of focus (h,k+p) , we see that h=6 and k+p=0
  • Comparing directrix given as y=-10  to formula of directrix y=k-p , we can write k-p=-10

We can use the two system of equations [ k+p=0  and  k-p=-10 ] to solve for k  and  p.

<em>Adding the two equations gives us:</em>

2k=-10\\k=\frac{-10}{2}\\k=-5

<em>Using this value of k , we can find p  by plugging this value in either equation. Let's put it in </em><em>Equation 1</em><em>. We have:</em>

k-p=-10\\-5-p=-10\\-5+10=p\\p=5


Now, that we know h=6  ,  k=-5  ,  and p=5  , we can plug these values in the standard form equation to figure out the parabola's equation. Doing so and rearranging gives us:

(x-6)^{2}=4(5)(y-(-5))^{2}\\(x-6)^{2}=20(y+5)^{2}\\

This is the equation of the parabola with focus (6,0)  and directrix  y=-10

3 0
3 years ago
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