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2 years ago

Please help ASAP thank u!! :))

Mathematics

1 answer:

frozen [14]2 years ago

6 0

Answer:

Use your brain

Step-by-step explanation:

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How do you simplify 4^-2h^-4j^3

notka56 [123]

j^3
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4^2 h^4

when you have negatives, you want them to be positive. To do that you need to convert it into a fraction

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3 years ago

Six friends will exchange books in their book club. Each friend has one book to give to a friend, and will receive one book from

ExtremeBDS [4]

I believe I have came in my pants

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2 years ago

How many complete rotations will the bowling ball make if it rolls straight down the center of the entire length of the lane. A.

jasenka [17]

<h3>Answer: C) 26 complete rotations</h3>

===========================================

Explanation:

The diameter of the ball is 8.5 inches. So d = 8.5

The circumference of the circle with this diameter is

C = pi*d

C = pi*8.5

C = 8.5pi

C = 26.7035375555132 approximately.

This is the rough distance it travels in one revolution or one full rotation.

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

1 revolution = 26.7035375555132 inches

(1/26.7035375555132) revolution = 1 inch

1 inch = (1/26.7035375555132) revolution

1 inch = 0.03744822190398 revolution

There are 12 inches a foot, so,

1 inch = 0.03744822190398 revolution

12*1 inch = revolution

12 inches = 0.44937866284776 revolution

1 foot = 0.44937866284776 revolution

Now multiply both sides by 60

1 foot = 0.44937866284776 revolution

60*1 foot = 60*0.44937866284776 revolution

60 feet = 26.9627197708657 revolutions

Round down to the nearest whole number to get 26

We can't round to 27 even though we're really close to it. This is because we are looking for the number of whole revolutions the ball makes.

Therefore, 60 linear feet correspond to 26 full rotations of the ball. There's a bit leftover, but it's not enough to make another full rotation.

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2 years ago

This quiz has 9 questions with 4 options for each question. If a student chooses answers randomly, what is the probability that

Ket [755]

Answer:

Bsjwkwkwkkenenrnrnrbtbbtbfbfnrntnt rnrnrkkrjrjr

Step-by-step explanation:

bdbrbrbr

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2 years ago

Determine the coordinates of the intersection of the diagonals of square ABCD with verticals A(-4,6), B(5,6) C(4,-2), and D(-5,-

timama [110]

Given:

Vertices of a square are A(-4,6), B(5,6) C(4,-2), and D(-5,-2).

To find:

The intersection of the diagonals of square ABCD.

Solution:

We know that diagonals of a square always bisect each other. It means intersection of the diagonals of square is the midpoint of diagonals.

In the square ABCD, AC and BD are two diagonals. So, intersection of the diagonals is the midpoint of both AC and BD.

We can find midpoint of either AC or BD because both will result the same.

Midpoint of A(-4,6) and C(4,-2) is

$Midpoint=\left(\dfrac{x_1+x_2}{2},\dfrac{y_1+y_2}{2}\right)$

$Midpoint=\left(\dfrac{-4+4}{2},\dfrac{6+(-2)}{2}\right)$

$Midpoint=\left(\dfrac{0}{2},\dfrac{6-2}{2}\right)$

$Midpoint=\left(\dfrac{0}{2},\dfrac{4}{2}\right)$

$Midpoint=\left(0,2\right)$

Therefore, the intersection of the diagonals of square ABCD is (0,2).

4 0

2 years ago