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valentina_108 [34]
3 years ago
6

Given the quadratic equation below, the standard form of it is

Mathematics
1 answer:
kotykmax [81]3 years ago
8 0

Answer:

Step-by-step explanation:

2x^+9x=10

2x^2+9x-10=0 is standard form

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“Ms. Blanco drove her car at a speed of 80 kilometers per hour for 1 1/2 hours, then at a speed of 100 kilometers per hour for 2
lara31 [8.8K]
I’m pretty sure it’s 370 bc
1 and a half hours is 80+40 (40 is half of 80)
and 2 and a half hours, so 100 for each hour.
100+100+50= 250

250+120=370!!

answer : 370 kilometers per hour
8 0
3 years ago
Read 2 more answers
Need help with this....
Yakvenalex [24]

Answer:

\boxed{\dfrac{f(a+h)-f(a)}{h}=-3a^2-3ah-h^2}

Step-by-step explanation:

f(x)=-x^3+2\\\\\dfrac{f(a+h)-f(a)}{h}\\\\f(a+h)\to\text{substitute x = a + h}\\f(a)\to\text{substitute x = a}\\\\\dfrac{f(a+h)-f(a)}{h}=\dfrac{-(a+h)^3+2-(-a^3+2)}{h}\\\\\text{use}\ (x+y)^3=x^3+3x^2y+3xy^2+y^3\\\\=\dfrac{-(a^3+3a^2h+3ah^2+h^3)+2-(-a^3)-2}{h}\\\\=\dfrac{-a^3-3a^2h-3ah^2-h^3+2+a^3-2}{h}\\\\\text{combine like terms}

=\dfrac{(-a^3+a^3)-3a^2h-3ah^2-h^3+(2-2)}{h}\\\\=\dfrac{-3a^2h-3ah^2-h^3}{h}\\\\=\dfrac{h(-3a^2-3ah-h^2)}{h}\\\\=-3a^2-3ah-h^2

6 0
3 years ago
I WILL GIVE BRAINILY... I need the full equation ASAP THANK YOU!!
photoshop1234 [79]

Answer:

y=\frac{9}{10} x-\frac{7}{5}

Step-by-step explanation:

points on the line:- (-4,-5)&(6,4)

slope= 4+5/6+4= 9/10

y-4=9/10(x-6)

y=9x/10-54/10+4

y=9/10 x-7/5

✄┈┈┈┈┈┈┈┈┈┈┈┈┈┈«

┍━━━━ ⋆⋅☆⋅⋆ ━━━━┑

        hope it helps..

     have a great day!!

┕━━━━ ⋆⋅☆⋅⋆ ━━━━┙

6 0
3 years ago
( 2 x 4 ) x 7 = 2 x (7 x 4 ) What Property does this demonstrate?
Lana71 [14]
Hi There!

<span>( 2 x 4 ) x 7 = 2 x (7 x 4 ) represents the associative property of multiplication. The associative property states of multiplication states, that you can multiply  even  how the numbers are grouped.

You can test this you're self.

1. Multiply 2*4=8    8 *7=56

2. 7*4=28   28*2=56

In conclusion, </span><span>( 2 x 4 ) x 7 = 2 x (7 x 4 ), uses the associative property of multiplication.

Hope this helps :)</span>
7 0
3 years ago
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1. On her birthday, Shruti bought 2 kg sweets and distributed 1 kg 500 g among her classmates. How much sweets were left with he
uysha [10]

Answer:

500g

Step-by-step explanation:

since she brought 2 kg of sweets, and distributed to her classmates, that means we wil sustract 2 from 1,5 and that will be 0.5 or 500g

I hope I helped you! :)))

7 0
2 years ago
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