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lord [1]
3 years ago
15

MATH HELP PLZZ!! MARKING BRAINLIEST!!!

Mathematics
2 answers:
dimaraw [331]3 years ago
7 0

Answer:

1 1/2 y

Step-by-step explanation:

gregori [183]3 years ago
4 0

Answer:

0

Step-by-step explanation:

recall that graphically, a solution to two equations when expressed in a graph, is simply the coordinate of the point of intersection.

in our case, it clear that the blue and red lines intersect at (-2,0)

if we compare this to your question, it is clear that [?] = 0

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15.00 that’s is technically equal to 15 dollars written in decimal
3 0
3 years ago
You need a total of 50 pounds of two types of ground beef costing $1.25 and $1.60 per pound, respectively. A model for the total
olga nikolaevna [1]

Answer:

a mix with a total cost of x=$73.

Of course, 30 pounds (50 pounds - 20 pounds = 30 pounds) of that mix will be the more expensive ground beef.


6 0
3 years ago
The price-to-earning ratio for firms in a given industry is distributed according to normal distribution. In this industry, a fi
dmitriy555 [2]

Answer:

Option a)  Has an above average price-to-earning ratio                                            

Step-by-step explanation:

We are given the following in the question:

The price-to-earning ratio for firms in a given industry is distributed according to normal distribution.

For a particular firm the ratio x has a standard normal variable has a value,

z = 1

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

1 = \dfrac{x - \mu}{\sigma}\\\\\sigma = x - \mu\\x = \mu + \sigma

Thus, the firm has an above average price-to-earning ratio as the ratio is one standard deviation above the mean.

Option a)  Has an above average price-to-earning ratio

7 0
3 years ago
Find c to complete the perfect trinomial<br><br> x2 + 4x + c
sladkih [1.3K]

Answer:

4

Step-by-step explanation:

I assume that is supposed to be x squared. A perfect trinomial is the product of a perfect square, (x times a number) squared. With these trinomials, you can look at them as: ax squared times bx + c. When a is 1, the fastest way to get c to make a perfect square is to divide b by 2. In this case, it's 4/2 = 2. The last step is to square that number. 2 squared = 4.

8 0
3 years ago
What is the equation of (7−b)+(3b+2) =
Firdavs [7]

Answer: I think the answer is 2b+9

Step-by-step explanation:

4 0
3 years ago
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