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Cloud [144]
2 years ago
14

Ill give brainliest help asap

Mathematics
1 answer:
vovangra [49]2 years ago
7 0

Answer:

x+y=21

2x+3y=47

Step-by-step explanation:

Lets have x be the number of 2 point field goals and y be the number of 3 point field goals.

We know that the number of shots was 21, this means that

x+y=21

We know that he scored 47 points, this means that

2x+3y=47

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Write an equation in point-slope form of the line that passes through the point (9, 0) and has a slope of m=−3
Softa [21]

Answer:

y=-3(x-9)

Step-by-step explanation:

Point slope form is y-y1=m(x-x1)

x1=9

y1=0

m=-3

plug it all in!

y-0=-3(x-9)

y=-3(x-9)

Hope this helps!

7 0
3 years ago
I can't figure this out
andriy [413]
Suppose that equation of parabola is
y =ax² + bx + c


Since parabola passes through the point (2,−15) then 
−15 = 4a + 2b + c

Since parabola passes through the point (-5,-29), then
−29 = 25a − 5b + c

Since parabola passes through the point (−3,−5), then 
−5 = 9a − 3b + c


Thus, we obtained following system:
4a + 2b + c = −15
25a − 5b + c = −29
9a − 3b + c = −5

Solving it we get that 
a = −2, b = −4, c = 1

Thus, equation of parabola is
y = −2x²− 4x + 1

____________________

Rewriting in the form of 
(x - h)² = 4p(y - k)

i) -2x² - 4x + 1 = y

ii) -3x² - 7x = y - 11
(-3x² and -7x are isolated)

iii) -3x² - 7x - 49/36 = y - 1 - 49/36
(Adding -49/36 to both sides to get perfect square on LHS)

iv) -3(x² + 7/3x + 49/36) = y - 3
(Taking out -3 common from LHS)

v) -3(x + 7/6)² = y - 445/36 

vi) (x + 7/6)² = -⅓(y - 445/36) 
(Shifting -⅓ to RHS)

vii) (x + 1)² = 4(-1/12)(y - 445/36)
(Rewriting in the form of 4(-1/12) ; This is 4p) 


So, after rewriting the equation would be - 

(x + 7/6)² = 4(-⅛)(y - 445/36)

__________________

I hope this is what you wanted.

Regards,
Divyanka♪
__________________
6 0
3 years ago
Read 2 more answers
If I invest $600 at an 11.5% interest rate, how much money will I earn over 5 years?
sdas [7]

Answer:

B. 345

Step-by-step explanation:

Hope this helps!

8 0
2 years ago
Read 2 more answers
The oxygen atoms in carbon dioxide (CO2) form double bonds with the carbon atom, forming a linear molecule. Draw the structural
vodomira [7]

It would look like this: O=C=O

Hope this helps you out.

4 0
3 years ago
Please help fast i need help ​
Nutka1998 [239]

Answer:

omg

I

1. 3×3×3×3 = 81

2. 2²a³

3. (-5)³ (-5×-5×-5) = -125

4. 1

5. a^m-n

II

1. 1.6807× 10⁴

2. (7×7×7) × (2×2×2×2×2×2) = 21952

3. 32²

4. 2187

5. 803025

3 0
2 years ago
Read 2 more answers
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