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jarptica [38.1K]
3 years ago
14

each cookie sells for $0.50 Sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does Sam need t

o sell before making a profit formula: sales>cost​
Mathematics
1 answer:
allochka39001 [22]3 years ago
6 0

Answer:he needs to sell 180 cookies or more

Step-by-step explanation:

90.00/.50=180

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Expand and simplify (x-2)(x-1)
mr_godi [17]

Answer:

(x - 3) x + 2

Step-by-step explanation:

1/4 (2 x - 3)^2 - 1/4

5 0
2 years ago
Please help!!
yarga [219]

Because this is a fourth degree that will be tricky to factor as it is, we will do a u substitution. Let x^2=u. We can now rewrite that polynomial in terms of u: u^2-7u-8=0. Filling into the quadratic formula we have u=\frac{7+/-\sqrt{49-4(1)(-8)}}{2}. Simplifying down u=\frac{7+/-\sqrt{81}}{2} and u=\frac{7+9}{2} or u=\frac{7-9}{2}. That means that u = 8 or u = -1. But don't forget that we let u=x^2, so we have to put x-squared back in for u. That gives us x^2=8 which simplifies down to +/-2\sqrt{2}. That also gives us x^2=-1. When we take the square root of -1, we have to use the fact that -1 = i^2, so we sub that in to get x=+/-i. All in all, your solutions are as follows: 2\sqrt{2},-2\sqrt{2},i,-i which is choice b.

7 0
3 years ago
Montana is known for having very chilly winters. One night, the temperature was falling by 2 degrees Fahrenheit each hour. At su
Kipish [7]

Answer:

7 hours

Step-by-step explanation:

We are given that

At sunset, the temperature=-5 degrees Fahrenheit

Each hour, temperature falling=2degrees Fahrenheit

We have to find time taken to reach the temperature -19° F.

Let x be the time time taken to reach the temperature -19° F

According to question

-5+x(-2)=-19

Where we taking 2 negative because temperature decreases.

-5-2x=-19

-5+19=2x

14=2x

x=\frac{14}{2}

x=7

Hence, it will take 7 hours for the  temperature to reach -19° F.

3 0
3 years ago
Complete the table to summarize what you know about each player's throw: (2 points: 1 point for each row of the chart) tre and h
Thepotemich [5.8K]

Answer:

Tre: Tre’s position was on the pitcher’s mound and he threw the ball to 3rd base.

Hector: Hector’s position was in right field and he threw the ball to 2nd base.

5 0
2 years ago
Jazmin has 5 movies that are dramas, 8 comedy movies, and 11 adventure movies in her movie collection. What is the ratio of adve
Anna71 [15]
There are numerous important information's already given in the question. Based on those information's the answer to the question can be easily determined.
Number of movies that are drama = 5
Number of comedy movies = 8
Number of adventure movies = 11
Total number of movies that Jazmin has = 5 + 8 + 11
                                                                 = 24
Then
Ratio of adventure movies to the total number of movies = 11:24
This ratio of 11:24 cannot be simplified further. So this is the answer to the given question. I hope the procedure is clear enough for you to understand.
6 0
3 years ago
Read 2 more answers
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