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lina2011 [118]
3 years ago
7

Rearrange the quadratic equation so that it is equal to 0. Then factor the equation

Mathematics
1 answer:
goldenfox [79]3 years ago
5 0
We need an equation for this, theres no 'formula' for doing this (ignoring the quadratic formula, as that is a long-winded way of factorising a quadratic equation)
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Sipho buys a bread on Monday and eats a third of it. On Tuesday he eats half of what is left over. If the bread is cut in 21 sli
Bess [88]

Answer:

7 slices

Step-by-step explanation:

1/3 of the bread would be seven slices (21/3), and he would be left with 2/3, half of which is 1/3; another seven slices were eaten. On Wednesday, he will have 7 slices left over.

5 0
3 years ago
HK bisects GHJ. Find GHK and KHJ. Angle JHG measures 161
lapo4ka [179]

Answer: m∠GHK=80.5,

m∠KHJ=80.5

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Solve 3(x + 1) + 6 = 33 ​
krek1111 [17]

Answer:

3(x + 1) + 6 = 33

3x+3+6=33

3x+9=33

3x=33-9

3x=24

x=24/3

x=8

Step-by-step explanation:

hope it help ^_^

6 0
3 years ago
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What is the conjugate? See image below! Please help asap
Stolb23 [73]

9514 1404 393

Answer:

  • 2 +3i
  • 8 -i√5
  • 7 +2i
  • 4 +√7

Step-by-step explanation:

The conjugate is found by changing the sign of the square root term.‡ (For this purpose, i = √-1.)

a) the sign of 3i is changed: 2 + 3i

b) the sign of sqrt(-5) is changed: 8 -sqrt(-5) = 8 -i√5

c) the sign of 2i is changed: 7 +2i

d) the sign of sqrt(7) is changed: 4 +√7

_____

‡ Actually, the conjugate of a binomial is formed by changing the sign <em>between</em> terms. The purpose is to allow the product of the binomial and its conjugate to be the difference of squares.

Conventionally, the conjugate of a complex number is the value with the sign of the imaginary part reversed. That is why (-2i+7)* = 7+2i.

4 0
3 years ago
The ratio of youths to adults at a skating rink is 13:7. What percent of these people are youths?
lara31 [8.8K]
The percentage of people at the scathing ring that are Youth is 65%. You would have to add 13 + 7, to get 20. Then you do 100 percent divided by 20 to get 5. Finally, you would do 5 times 13 to reach 65%.
8 0
4 years ago
Read 2 more answers
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