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Sidana [21]
3 years ago
9

A farmer had some chickens and some cows. She counted 40 total heads and 126 total legs. How many cows did she have?

Mathematics
1 answer:
stellarik [79]3 years ago
7 0
23 cows and 17 chickens
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12.6 pounds equals how many ounces
Stells [14]
201.6 ounces
Hope this helps and please mark me as brainlest and like
4 0
3 years ago
4. Use formulas to find the lateral area and surface area of the given prism. Round your answer to the nearest whole number. The
a_sh-v [17]
4.) The lateral area of a figure is the area of the figure with the exception of the bases.
Given a prism with right triangle bases, the lateral area of the prism is the sum of the areas of the rectangles making up the prism.
This is given by
Lateral area = (8.94)(41) + (4)(41) + (8)(41) = 366.54 + 164 + 328 = 858.54 ≈ 859 m^2

The surface area is the sum of the bases plus the lateral area. The area of a rectangle is given by half base times height.
Surface area = 1/2 x 8 x 4 + 1/2 x 8 x 4 + 859 = 16 + 16 + 859 = 891 m^2

5.) The surface area of a cylinder is given by pi r^2h where r is the radius = 12 inches and h is the height = 17 inches.
Surface area = π x (12)^2 x 17 = 2,448π = 7,690.62 in^2 ≈ 7,691 in^2
3 0
3 years ago
8x+5y=24<br> y=−4x<br> ​what is X and Y??
Mrac [35]

Answer:

Step-by-step explanation:

plug y into the first equation:

8x+5y=24

8x+5(-4x)=24

8x-20x=24

-12x=24

x=-24/12

x=-2

then plug x to the second equation

y=-4

y=-4(-2)

y=8

x=-2

y=8

8 0
3 years ago
Read 2 more answers
Given f(x) = 4 - x and g(x) = -4x, find (fog)(x).
MAVERICK [17]
F(-4x)=4x+4x


set up the composite function and simplify!
6 0
3 years ago
Hesperia Community Center is buying new seating for their building. They want to purchase a combination of stools and chairs. St
Digiron [165]

Answer:

<em>15c + 25s ≤ 1500</em>

Step-by-step explanation:

Let the number of stools be s

Let the number of chairs bought be c

If each tools cost $15, s stools will cost $15c

If a chairs cost $25, c chairs will cost $25s

Total costs = 15c + 25s

If the center cannot spend more than $1500, then the required equation will be 15c + 25s ≤ 1500

<em>The inequality sign will be less than and equal to since they cannot spend an amount greater than $1500.</em>

<em>Hence the correct equation is  15c + 25s ≤ 1500</em>

4 0
3 years ago
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