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Paul [167]
3 years ago
5

What is problem solving

Mathematics
1 answer:
Semmy [17]3 years ago
7 0
4 × 18 = 72 pencils
Hailey + 7 friends = 8 people.
72 ÷ 8 = 9 pencils per person
There are no extra pencils, everyone including Hailey gets 9 pencils.
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Carlos went out to a restaurant for dinner he took 25% off his bill which brought the sum of the dinner Bill plus the tip to $45
Andrews [41]

Answer

56.25

Step-by-step explanation:

First I converted the percent to a decimal which was 0.25                          

Then i multiplied 0.25 by 45 which was 11.25

Lastly I added 11.25 by 45 which was 56.25

Answer: 56.25        

5 0
4 years ago
Use the Rational Zero Theorem to list all possible rational zeros for the given function. f(x) = -2x3 + 4x2 - 2x + 8
Scorpion4ik [409]
Rational zero theorem is all combinations of p(factors of the constant) divided by q(factors of the first coefficient) 

factors of 8 are 1, 2, 4, 8
factors of 2 are 1, 2

so all possible rational zeros are all combinations of p/q

+/-   1/1, 1/2, 2/1, 2/2, 4/1, 4/2, 8/1, 8/2

Now there are some repeats in there so you have to leave those out and once we do that we get 

+/- 1, 1/2, 2, 4, 8 

Remember all those are plus OR minus
6 0
3 years ago
How to write y-6=-5/2 (x+4)
coldgirl [10]

Answer:

In point slope form, this is y = (-5/2)x + 2.  In standard form, it's (5/2)x + y = 2.

Step-by-step explanation:

y-6=-5/2 (x+4) has already been written in point-slope form.  The slope of the line is -5/2 and the point on the line is (-4,6).

In slope-intercept form:  add 6 to both sides of the original equation, obtaining y = 6 - (5/2)(x + 4), or y = 2 - (5/2)x, or y = (-5/2)x + 2


8 0
3 years ago
Charlie used one and two thirds cups of walnuts and two and one sixth cups of cranberries to make breakfast bread.How many cups
quester [9]

Answer:

5/6 cups

Step-by-step explanation:

2/3 -walnuts

1/6-cranberries

2/3+1/6

common denominator-12

2/3 ·4/4=8/12

1/6 · 2/2= 2/12

8/12+2/12=10/12

10/12=5/6

6 0
3 years ago
Factor 2y(p+q) - (p + q)
Aleks [24]

Answer:

(p+q)(2y-1)

Step-by-step explanation:

Factor p+q out of 2y(p+q)−(p+q).

4 0
3 years ago
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