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Svetradugi [14.3K]
3 years ago
14

The number of sails you could make for $10,000 if the sail material costs $30 per square yard

Mathematics
1 answer:
dexar [7]3 years ago
4 0
My teacher said 45$
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I don’t know how to do the hole page
FrozenT [24]
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8 0
3 years ago
The difference between the square of two numbers is 11. Twice the square of the first number increased by the square of the seco
jeyben [28]

Answer:

Below in bold.

Step-by-step explanation:

x^2 - y^2 = 11

2x^2  + y^2 = 97

From the first equation:

y^2 = x^2 - 11

Substituting in the second equation:

2x^2 + x^2 - 11 = 97

3x^2 = 108

x^2 = 36

x = 6, -6.

Substituting  for x in the first equation:

(6)^2 - y^2 = 11

y^2 = 36 - 11 = 25

y = 5, -5.

6 0
3 years ago
In an office building, an elevator has a maximum carrying capacity of 2,700 pounds. Based on the average weight (180 pounds male
Yakvenalex [24]

Answer:

see the explanation

Step-by-step explanation:

Let

x ----> the number of males on the elevator

y ----> the number of females on the elevator

we know that

The inequality that represent this situation is

180x+150y\leq 2,700

The solution of the inequality is the shaded area below the solid line 180x+150y=2,700

The slope of the solid line is negative

The y-intercept of the solid line is (0,18)

The x-intercept of the solid line is (15,0)

see the attached figure

The solution is the triangular shaded area

The maximum number of females is 18 (when the number of males is zero)

The maximum number of males is 15 (when the number of females is zero)

4 0
3 years ago
The proportion of adult women in a certain geographical region is approximately 49.49​%. A marketing survey telephones 100100 pe
Alinara [238K]

Answer:

a) 49%

b) 49

Step-by-step explanation:

We have that:

The proportion of adult women in a certain geographical region is approximately 49%.

a) What proportion of women in the sample of 100100 would you expect to​ see?

The same as the region, that is 49%.

b) How many​ women, on​ average, would you expect to find in a sample of that​ size?

There are 100 people. In the region, the proportion of women is 49%.

So, in a sample of 100 people, you would expect to find 49 women.

8 0
3 years ago
Please help me lol (quadratics unit on khan)
EastWind [94]

Answer:

(2-x)^2 sorry if that’s wrong

Step-by-step explanation:

sorry

5 0
3 years ago
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