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3 years ago

I Really need help on this question if anybody can tell me what the answer is that would be nice I only have a few minutes :/

Mathematics

2 answers:

antoniya [11.8K]3 years ago

7 0

Answer:uuuu idk

Step-by-step explanation:

oksian1 [2.3K]3 years ago

3 0

Answer:

B or the second answer

Step-by-step explanation:

If you change the denominator for all 4 fractions, then you will get that denominator. After that you will multiply how you got that denominator from the beggining denominator. And that’s how i did it.

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An artist is making a mural by reproducing a painting at a different scale. The original painting is 10 1/2 inches long and 4 in

Tatiana [17]

Answer:

1 inch : 4 feet

Step-by-step explanation:

Size of the Mural is 42 feet long and 16 feet.

The original painting is 10½ inches long and 4 inches wide.

On the length

Length of Painting: Length of Mural

10½ inches: 42 feet

1 inch : 42/10½ feet

1 inch : 4 feet

On the Width

Width of Painting: Width of Mural

4 inch: 16 feet

1 inch : 16/4 feet

1 inch : 4 feet

The Scale of the Original Painting to the Mural is therefore:

1 inch : 4 feet

7 0

3 years ago

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On a coordinate plane, trapezoid A B C D has points (negative 5, negative 2), (negative 1, 2), (0, negative 1), (negative 2, neg

Ludmilka [50]

Answer:

its c

Step-by-step explanation:

8 0

3 years ago

The notes say that the Continental Congress created a committee to write a plan for government. Based on the notes, whom did the

mixer [17]

Answer:

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Step-by-step explanation:

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3 0

2 years ago

The foot of a ladder is placed 10 feet from a wall. If the top of the ladder rests 13 feet up on the wall, find the length of th

Minchanka [31]

10 squared + 13 squared = your answer squared.
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4 0

3 years ago

The height of an object tossed upward with an initial velocity of 120 feet per second is given by the formula h = −16t2 + 120t,

AleksAgata [21]

Answer:

7.5 seconds

Step-by-step explanation:

$h = - 16 {t}^{2} + 120t \\ \because \: we \: have \: to \: find \: the \: time \: required \: \\ for \: the \: object \: to \: return to \: its \: \\ point \: of departure. \\ \therefore \: plug \: h = 0 \: in \: the \: given \: euation. \\ \therefore \: 0 = - 16 {t}^{2} + 120t \\ \therefore \:16 {t}^{2} - 120t = 0 \\ \therefore \:8t(2t - 15) = 0 \\ \therefore \:8t = 0 \: \: or \: \: (2t - 15) = 0 \\ \therefore \:t = \frac{0}{8} \: or \: t = \frac{15}{2} \\ \therefore \:t = 0 \: or \: t = 7.5 \\ \because \: t = 0 \: is \: not \: possible \\ \huge \purple{ \boxed{ \therefore \: t = 7.5 \: seconds}}$

Thus, the time required for the object to return to its point of departure is 7.5 seconds.

4 0

2 years ago