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kotykmax [81]
2 years ago
14

Can i get help in maths which i mark imp that i only need and nothing:)​

Mathematics
1 answer:
UNO [17]2 years ago
5 0

Answer:

hi

1 13 cm 14 cm 15m

1/2×14

Step-by-step explanation:

please mark me as brainlist please

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Write the standard form of the equation of the parabola with the given focus or directrix and
horsena [70]

Answer:

x = 1/20 y^2

Step-by-step explanation:

This is a rightward opening  (sideways ) parabola

Directrix = x = -5

Distance formula form point x,y  to directrix and focus are equal:  

(x - -5)^2 = (x-5)^2 + y^2

x^2 + 10x + 25 = x^2 - 10x  + 25 + y^2

20x = y^2

x = 1/20 y^2

3 0
2 years ago
Plsssssssssssss help
Rudiy27
The picture is too blurry for me even when I try zooming in on it
6 0
3 years ago
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How many times does the equation f(x)=2x^2+9x-5 intersect the x-axis
Komok [63]

Answer:

2

Step-by-step explanation:

f(x)=2x^2+9x-5

When we are find how many times it intersects the x axis, we are finding the zero's. Set the equation equal to zero

0=2x^2+9x-5

Factor the equation

0 = (2x+1) (x-5)

2*1

1*-5 = -5

2*-5 +1*1 = -9

This checks for the first last and middle terms so we factored correctly

Then using the zero product property

2x+1 = 0 and x-5 =0

2x = -1    x=5

x = -1/2  and x=5

This function crosses the x axis 2 times

8 0
3 years ago
Enter the value for x<br> that makes the equation 16=−4(x−1)+4<br> true.
Alina [70]

Answer:

-2

Step-by-step explanation:

16=-4x+4+4

16=-4x+8

4x=8-16

4x=-8

x=-2

5 0
3 years ago
What's the answer ?<br><br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B%20%5Csqrt%7B225%7D%20%7D%7B%20%5Csqrt%7B%7D%2025%7D%2
postnew [5]

Answer:

Hello.....

15/5

Step-by-step explanation:

thanks

6 0
2 years ago
Read 2 more answers
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