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3 years ago

PLEASE PLEASE HELP! Ill give brainliest!! will report useless answers (eg links)

Mathematics

2 answers:

skelet666 [1.2K]3 years ago

7 0

Answer:

Im just gonna say that they are correct i dont wanna basically copy them xD

Step-by-step explanation:

Soloha48 [4]3 years ago

5 0

F (-3) = -3(-3) -4
F(-3) = 9 - 4
F(-3) = 5
(5,-3) is the ordered pair

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Phantasy [73]

Answer:

x = 10

Step-by-step explanation:

a² + b² = c²

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36 + 64 = 100

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3 years ago

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How many prime numbers are in are between 1 and 50

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Answer:

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3 years ago

Answer the questions

AveGali [126]

Answer:

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3 years ago

Find the area A of triangle JKL with the vertices J(5,8), K(0,7), and L(5,4)

eimsori [14]

Answer:

Area of the triangle is 10 square units

Step-by-step explanation:

Recall that the formula for the area of a triangle is: "base x height / 2", and in this case, we can consider the triangle's base as the segment that joins the vertices (5, 4) and (5, 8) which gives a segment length of 4 units. The height of the triangle is then the distance between the third vertex (0,7) and the base, which is exactly 5 units. Then the area becomes:

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5 0

3 years ago

A chessboard has an area of 324 square inches. There is an 1-inch border around the 64 squares on the board. What is the length

STALIN [3.7K]

Answer:

Length of one side of the region containing small squares is 16 inches.

Step-by-step explanation:

Given:

Area of the chess board = 324 square inches

Border around 64 -squares on board = 1 inch

We need to find the length containing small squares.

Solution:

Let the length of one side of the chess board be 'L'.

Now we know that;

Border around 64 -squares on board = 1 inch

So we can say that;

Length of the side of the chess board = $L+1+1 = L+2$

Now we know that;

Area of square is equal to square of its side.

framing in equation form we get;

$(L+2)^2=324$

Now taking square root on both side we get;

$\sqrt{(L+2)^2} =\sqrt{324}\\ \\L+2 = 18$

Now subtracting both side by 2 we get;

$L+2-2=18-2\\\\L=16\ in$

Hence Length of one side of the region containing small squares is 16 inches.

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3 years ago