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seropon [69]
3 years ago
5

NEED HELP ASAP!!!!!!!!!!!

Mathematics
1 answer:
Arte-miy333 [17]3 years ago
5 0

Answer:

Step-by-step explanation:

Let the no of cars be x and no of buses be y.

x + y = 60 -> y = 60 - x

6x + 30y = 600

with the available equations let us calculate the values of x and y.

6x + 30 * (60-x) = 600

6x + 1800 - 30x = 600

24x = 1200

x cars = 50

y buses = 10

maximum profit = 50 * 2.5 + 10 * 7.5 = $200

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Heeeeeeelp pleeeease
Umnica [9.8K]

Answer:

<em>Solve for  b.  by simplifying both sides of the inequality, then isolating the variable.</em>

Inequality Form:

b < -\frac{3}{7}

Interval Notation:

( − ∞ , -\frac{3}{7} )

Hope this helps :)

<em>-ilovejiminssi♡</em>

8 0
3 years ago
PLZ HELP What is the best approximation of the solution to the system to the nearest integer values? (2, 3) (1, 3) (3, 4) (3, 2)
Kruka [31]

Answer:

  (2, 3)

Step-by-step explanation:

The point with integer coordinates nearest the solution point seems to be (2, 3).

8 0
3 years ago
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When two triangles are congruent 3 sides are?
steposvetlana [31]
This is a really vague question, but all i can assume from that is that all the sides of some triangle are congruent to their respective sides on the other triangle.
6 0
3 years ago
In order to estimate the average time spent on the computer terminals per student at a local university, data were collected fro
Ksju [112]

Answer:

d. 0.133

Step-by-step explanation:

-Standard error is  calculated using the formula:

E=\frac{\sigma}{\sqrt{n}}\\\\\sigma-=standard \ deviation\\n=sample \ size

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E=\frac{\sigma}{\sqrt{n}}\\\\=\frac{1.2}{\sqrt{81}}\\\\=0.133

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7 0
3 years ago
Multiply and Simplify<br> (x-4)(x^2 - 5x - 6)
kirill [66]

Answer:

x^3 -9x^2 +14x +24

Step-by-step explanation:

(x-4)(x^2 - 5x - 6)

Multiply the x by everything in the second term

x * (x^2 - 5x - 6)

x^3 -5x^2 -6x

Multiply the -4 by everything in the second term

-4 * (x^2 - 5x - 6)

-4x^2 +20x +24

Add everything together

I like to line them up vertically

x^3 -5x^2 -6x

      -4x^2 +20x +24

-------------------------------

x^3 -9x^2 +14x +24


4 0
3 years ago
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