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Naddik [55]
3 years ago
12

50 points helppppppppppppppppppppppppppppppppppppppppppppppp i need it fast

Mathematics
2 answers:
Neko [114]3 years ago
6 0

Answer:

area A = 5.25 cm²

area B = 5.25 cm²

area C = 5.25 cm²

Step-by-step explanation:

area of a triangle = 1/2 x base x height

area of A = 1/2 x 4.2 x 2.5 = 5.25 cm²

area of B = 1/2 x 4.2 x 2.5 = 5.25 cm²

area of C = 1/2 x 4.2 x 2.5 = 5.25 cm²

Triangles A, B and C have the same area as they all have the same measures of base and height.

Lapatulllka [165]3 years ago
5 0

All triangles in this shape have same area as they have same base length and height length.

  • area of triangle: 1/2 * base * height

Here the base is 4.2 cm and height is 2.5 cm for all the given triangles.

As a result, we can say that the area of \triangle A,  \triangle B,  \triangle C are equal.

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There is three sampling frame of students that cannot be sampled in the next Monday. This is Students who are skipping class cannot be sampled, Students who are on a school trip cannot be sampled, and Students who are out sick cannot be sampled.
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3 years ago
Construct a polynomial function with the following properties: fifth degree, 4 is a zero of multiplicity 3, −4 is the only other
Nonamiya [84]

Answer:

Step-by-step explanation:

Hello,

degree 5

4 is a zero of multiplicity 3 -> (x-4)^3 is a factor

-4 is the only other zero, so the multiplicity is 5-3=2 -> (x+4)^2 is a factor

leading coefficient is 4 so we can write

\boxed{4(x-4)^3(x+4)^2}

If there is something that you do not understand or you are blocked somewhere let us know what / where.

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8 0
3 years ago
Jenny went on a walk everyday for 4 weeks with her dog. She got paid $30 dollars everyday. How much money does she have?
Elza [17]

Answer:

$840

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5 0
3 years ago
What is 1.75 kilometres as a fraction of 700 metres? <br>Give your answer in its simplest form​
aniked [119]

Answer:

5/2

Step-by-step explanation:

1000m = 1km

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7 0
3 years ago
Helppp!! I NEED HELP PLEASE
Elodia [21]

Given:

The table of values for the function f(x).

To find:

The values f^{-1}(f(3.14)) and f(f(-7)).

Solution:

From the given table, it is clear that the function f(x) is defined as:

f(x)=\{(-14,11),(-7,-12),(-12,-5),(9,1),(10,-2),(-2,13)\}

We know that if (a,b) is in the function f(x), then (b,a) must be in the function f^{-1}(x). So, the inverse function is defined as:

f^{-1}(x)=\{(11,-14),(-12,-7),(-5,-12),(1,9),(-2,10),(13,-2)\}

And,

f^{-1}(f(a))=f^{1}(b)

f^{-1}(f(a))=a              ...(i)

Using (i), we get

f^{-1}(f(3.14))=3.14

Now,

f(f(-7))=f(-12)

f(f(-7))=5

Therefore, the required values are f^{-1}(f(3.14))=3.14 and f(f(-7))=5.

5 0
3 years ago
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