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gavmur [86]
3 years ago
6

Can someone help me how to write the equations of this three problems?

Mathematics
2 answers:
drek231 [11]3 years ago
3 0

Number 11:

(356-50) ÷ 17 = x

mash [69]3 years ago
3 0

11.    50 +17x = 356    where x = number of months

17x = 306

x =306 / 17  = 18 months answer


12.   3x + 21 = 60

3x = 39   x = $13 answer


13.    15(x - 20) =  375

15x  - 300 = 375

15x = 675

x = $45  answer

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Jennifer has a taco stand.she found that her daily costs can be modeled by C(x)=x^2-40x+610. if she wants to keep her daily cost
polet [3.4K]
Let's focus on the given equation. The C represents the cost, while the x must be the number of tacos, which is what we're solving for. Since we're given the boundary that C must be 300, then the solution would be:

300 = x² - 40x + 610
x² - 40x + 310 = 0

Apply the quadratic formula where a = 1, b = -40 and c = 310. The roots of x are:
x = 29.49≈30
x = 10.51≈11

<em>Thus, she needs to sell either 30 or 11 tacos.</em>

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3 years ago
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aiden weighs 39 pounds less than his brother Jacob. Jacob weighs more than 100 pounds. what could be the weights of the two brot
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3 years ago
Ms. wilson draws a model of the factorization of a polynomial with integer factors. her model is partially complete. a 2-column
lana [24]

The equation represented by Ms. Wilson's model is n² + 13n + 40 = (n + 8)(n + 5)

<h3>How to determine the equation of the model?</h3>

The partially completed model is given as:

    |  n

    |  n²

5   | 5n  |  40

By dividing the rows and columns, the complete model is:

    |  n    | 8

n   |  n²  |  8n

5   | 5n  |  40

Add the cells, and multiply the leading  row and columns

n² + 8n + 5n + 40 = (n + 8)(n + 5)

This gives

n² + 13n + 40 = (n + 8)(n + 5)

Hence, the equation represented by Ms. Wilson's model is n² + 13n + 40 = (n + 8)(n + 5)

Read more about polynomials at:

brainly.com/question/4142886

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7 0
2 years ago
Please help with this thank you
RUDIKE [14]

1/4 is 25 percent so it is still 40.00

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