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V125BC [204]
3 years ago
5

Find the sum of 4x3 + 2x2 - 4x + 3 and 7x3 -4x2 + 7x + 8.

Mathematics
2 answers:
kvasek [131]3 years ago
8 0

Answer:

11x^3-2x^2+3x+11

Step-by-step explanation:

Should be the answer :)

miskamm [114]3 years ago
4 0
Here,
= 12 + 4 - 4X + 3 + 21 - 8 + 7X + 8
= 40 + 3X

May be helpful
thank you
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Phantasy [73]

If it is asking if that equation is the quadratic formula, then the answer is false. The reason why is that the first 'b' should be negative

The quadratic formula is

x = \frac{-b \pm \sqrt{b^2-4ac}}{2a}

3 0
3 years ago
Two small planes leave Sacramento and LA, which are 380 miles apart, and travel toward each other. If one plane travels 30 miles
Anettt [7]
The sum of their speeds is 380 miles per hour. The difference of their speeds is 30 miles per hour. Then the faster plane is traveling at
.. (380 +30)/2 = 205 miles per hour

The slower plane's speed is 30 miles per hour less, so it is traveling at
.. 205 mph -30 mph = 175 miles per hour
7 0
3 years ago
HELP ASAP what is 9/10-5/10=
Fofino [41]

9/10 - 5/10

because the denominators are the same you keep it and just subtract the numerators

=4/10

This can be reduced to 2/5

6 0
3 years ago
Read 2 more answers
3n at n=11 <br> please help me im suck at maths
Oliga [24]
It just means multiply when they are right next to each other. the answer is 33
6 0
3 years ago
Read 2 more answers
I REALLY NEED HELP ON THIS
Studentka2010 [4]

Answer:

It's D. 53.1°

Step-by-step explanation:

3 0
3 years ago
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