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3 years ago

PLEASE HELP ME!!!!!!

Mathematics

1 answer:

kvasek [131]3 years ago

7 0

Answer:

1= 37

2= 37

3= 37

4= 37

5= 106

Step-by-step explanation:

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What is the area of a tringe with a base of 16cm and a height of 5ft plus the area of a rectangle with the height of 19cm and wi

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2 years ago

Which point lies on the graph of f(x) = -2(x + 3) – 5

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well from my understanding of the problem and calculations i would say.. (-5.5,0)

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3 years ago

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A company logo is made up of a square and three identical triangles.

IgorLugansk [536]

Answer:

$the \: area \: of \: the \: logo \: is \: {91cm}^{2}$

Step-by-step explanation:

To determine the area of the logo you have to calculate the area of the triangle and the square that comform it and then add the four areas.

Area of the square.

To calculate the area of the square you have to calculate the square of one of its sides, following the formula:

$a = {a}^{2}$

Where "a" is the length of one of its side.

The side length of the square is a=7cm, so its area will be:

$asquare = {7}^{2} \\ asquare = {49cm}^{2}$

Area of the triangles.

The three triangles are equal, they have a base equal to the side of the square, i.e. with a length of 7cm, and their height is h=4cm.

To calculate the area of one triangle, you have to multiply its base by its height and divide by 2, following the formula:

$a = \frac{b.h}{2} \\ a = \frac{7.4}{2} \\ a = \frac{28}{2} \\ a = {14cm}^{2}$

The area calculated the correspond to one triangle, since all triangles are congruent, you have to multiply the said area by 3 to determine the area of three figures:

$atriangles = 3a \\ atriangles = {42cm}^{2}$

Now that the area of all shape are calculated, you have to add them to determine the area of the logo:

$alogo = asquare + atriangle \\ alogo = 49 + 42 \\ alogo = {91cm}^{2}$

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3 years ago

7. Patrick tosses a penny and a number cube, with faces numbered 1 through 6, at the

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Answer:

B. 1/3 or 33.3%

Step-by-step explanation:

H- 1 ,2 ,3, 4, 5, 6

T- 1, 2, 3, 4, 5, 6

Multiples of 3: 3, 6, 9, 12, etc..

2/6 simplified is 1/3

So, the probability that the penny will land on heads and the number cube will land on a multiple of 3, is 1/3 or 33.3%

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3 years ago

A rock falls off a balcony. It's height (in feet) is given by the formula f(x)=-16t^2+13.4t+120, where t in measured in seconds.

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Answer:

-16t² + 13.4t + 120

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t = 3.189s or t = -2.352s (ignore)

ignore -2.352s because time cannot be in negative form

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3 years ago

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