There are 3 red and 9 blue counters in a box. A counter is chosen and then replaced. If you did this 144 times, how many times w
1 answer:
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Answer:
x = - 7, x =
Step-by-step explanation:
Given
2x² + 13x - 7 = 0
Consider the factors of the product of the coefficient of the x² term and the constant term which sum to give the coefficient of the x- term.
product = 2 × - 7 = - 14 and sum = + 13
The factors are + 14 and - 1
Use these factors to split the x- term
2x² + 14x - x - 7 = 0 ( factor the first/second and third/fourth terms )
2x(x + 7) - 1(x + 7) = 0 ← factor out (x + 7) from each term
(x + 7)(2x - 1) = 0
Equate each factor to zero and solve for x
x + 7 = 0 ⇒ x = - 7
2x - 1 = 0 ⇒ 2x = 1 ⇒ x =
Answer:
Everyone will get amount of cakes.
Step-by-step explanation:
Given:
Number of Cakes Josh buys = 35
Number of Students Josh wants to share = 86
Josh need to share cakes with fifth grade students.
We need to find the fraction of cakes everyone will get.
So to find the the fraction of cakes everyone will get can be calculated by dividing Number of Cakes Josh buys with Number of students he want to share with.
Amount of cakes Every one will get =
Now Substituting the values we get;
Amount of cakes Every one will get =
Hence Everyone will get amount of cakes.