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elena55 [62]
3 years ago
14

what is the most important thing you need to know to solve a math problem? explain why you think this it is the most important

Mathematics
1 answer:
irina [24]3 years ago
3 0
The most important thing I need to know to solve a math problem is what operation you need to use in order to complete the problem successfully. I believe this because if you don’t know what operation you need to solve the problem you won’t get to your goal of solving the problem
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PLEASE HELP
kifflom [539]

\\ \sf\longmapsto \dfrac{x^2-1}{x^2+5x+4}\leqslant 0

  • Solving denominator

\\ \sf\longmapsto x^2+5x+4>0

\\ \sf\longmapsto x^2+4x+x+4>0

\\ \sf\longmapsto x(x+4)+1(x+4)>0

\\ \sf\longmapsto (x+4)(x+1)>0

\\ \sf\longmapsto x>-4\:or x>-1

  • Hence x\neq-1
  • x can't be 0 as it makes function undefined

\\ \sf\longmapsto -4

5 0
2 years ago
In the isosceles triangle, find a and b if you knew the perimeter was 20x+35
Zanzabum

Answer:

a=8

b=17

Step-by-step explanation:

Isoceles means we will have 2 congruent sides in this triangle.

So it appears we are to assume it is sitting on its base which means that other side has measurement ax+9 as well

So we have the sum of the 3 sides is the perimeter.

That means we have the equation:

(ax+9)+(ax+9)+(4x+b)=20x+35

Combine like terms:

(a+a+4)x+(9+9+b)=20x+35

(2a+4)x+(18+b)=20x+35

This implies 2a+4=20 and 18+b=35.

2a+4=20

Subtract 4 on both sides:

2a=16

Divide both sides by 2:

a=8

18+b=35

Subtract 18 on both sides:

b=17

So a=8 and b=17.

3 0
3 years ago
What is the answer to 3/5 x 10/21 in simplest form???
jeka94
6/21 I think cause you can't go down any more
3 0
3 years ago
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Sharon spent $3.45 on sunflower seeds the price of sunflower seeds is $0.89 per pound how many pounds of sunflower seeds does Sh
mart [117]
3.45 Divided by 0.89 = a little more than 3 pounds.
6 0
3 years ago
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Which shows a way to take apart 4?
zheka24 [161]
A half of 4 is 2 because 2+2=4
3 0
2 years ago
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