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Wittaler [7]
3 years ago
5

-x^2=23 in standard form

Mathematics
1 answer:
Korvikt [17]3 years ago
5 0
Add x^2 to both sides to get

-x^2 = 23

-x^2+x^2 = 23+x^2

0x^2 = x^2 + 23

0 = x^2 + 23

x^2 + 23 = 0
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Richard estimates that he can apply fertilizer to 4,486 square feet of grass in 3/4 hour. How many square feet of grass can Rich
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3 0
3 years ago
Multiply y^2-16/2y . 5y/y-4
alisha [4.7K]
So, first we multiply the fraction by using the formula a/b times c/d= a times c/b times d
=(y^2-16) times 5y/2y(y-4)
Now, we cancel the common factor y
=(y^2-16) times 5/2(y-4)
Now, we factor 5(y^2-16)
We factor (y^2-16) first
y^2-16
Rewrite 16 as 4^2
y^2-4^2
Now, apply the formula x^2-y^2=(x+y)(x-y)
=y^2-4^2=(y+4)(y-4)
=5(y+4)(y-4)
=5(y+4)(y-4)/2(y-4)
Cancel the common factor y-4
=5(y+4)/2
Answer: 5(y+4)/2



5 0
3 years ago
Whoever answers first with a funny joke gets the points and I will mark Brainliest
aivan3 [116]

Answer:

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6 0
3 years ago
Read 2 more answers
If ab =8 and a square + bsquare =35 then (a-b) cube​
vaieri [72.5K]

\text{Given that,}\\\\ab  = 8 ~ \text{and}~ a^2 +b^2 = 35\\\\\text{Now,}\\\\(a-b)^2 = a^2 +b^2 -2ab\\\\\implies (a-b)^2 =35 - 2 (8) \\\\\implies (a-b)^2 = 19\\\\\implies a-b = \pm\sqrt{19}\\\\\text{Case 1:}\\\\(a-b)^3 = (a-b)^2(a-b)\\\\\implies (a-b)^3 = 19 \left(\sqrt{19}\right)\\\\\text{Case 2:}\\\\(a-b)^3 = (a-b)^2(a-b)\\\\\implies (a-b)^3 = -19 \left(\sqrt{19}\right)

4 0
2 years ago
4. Find the equation of the line that has a slope of 3 and goes through the point (3,4).
atroni [7]

equation= y-y¹=m(x-x¹)

= y-4= 3(x-3)

y-4= 3x-9

y= 3x-9+4

y=3x-5

7 0
3 years ago
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