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Lubov Fominskaja [6]
3 years ago
12

Students are going on a field

Mathematics
1 answer:
lara31 [8.8K]3 years ago
6 0

Answer:

5 buses and 3 vans were taken.

Step-by-step explanation:

x+y=8

13x+5y=80

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

x=8-y

13(8-y)+5y=80

104-13y+5y=80

104-8y=80

8y=104-80

8y=24

y=24/8

y=3

x+3=8

x=8-3=5

x=5, y=3. (5, 3)

5 buses and 3 vans were taken.

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Schoolyard has an area of 3,564ft.² the section that is in the shape of a triangle is just for picnic table and what is the area
asambeis [7]

Answer:

The area of the section for the picnic tables is 1,188\ ft^{2}

Step-by-step explanation:

we know that

The area of the schoolyard is equal to the area of a rectangle plus the area of a triangle

so

3,564=44*(2x-x)+\frac{1}{2}(2x-x)*44\\ \\3,564=44x+22x\\\\3,564= 66x\\ \\x=54\ ft

The area of the triangle is equal to

22x=22*54=1,188\ ft^{2}

6 0
3 years ago
Please help oh god please help please I beg you ill give all my points and mark brainliest please oh god please help help
Travka [436]

Answer:

I think it's the top right

Step-by-step explanation:

Just take it trust me

4 0
3 years ago
What are the domain values for the function f(x) = 2x + 3 if the range values are (-1, 1, 2,4}
ArbitrLikvidat [17]

Answer:

Another way to identify the domain and range of functions is by using graphs. Because the domain refers to the set of possible input values, the domain of a graph consists of all the input values shown on the x-axis. The range is the set of possible output values, which are shown on the y-axis.

So i think it will be -1

7 0
2 years ago
-5/3 is greater or less than square root of 3
inessss [21]

Answer:

-5/3 is less than (<) square root of 3

Step-by-step explanation:

-5/3 = -1.66666...

square root of 3=1.73205080...

either way the square root would be greater because the answer cant be negative. And negative is always less then a positive.

Hope this helps!

3 0
3 years ago
U is the set of integers. G is the set of negative integers. What is the complement of set G in universive U?
harina [27]

Answer:

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Step-by-step explanation: Because the complement of a set include all of the elements not included in the indicated set. I hope I'm making some sense. :)

6 0
2 years ago
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