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2 years ago

9

A concert ticket that originally cost $46.50 is on sale for $38.75. What is the percent of decrease, rounded to the nearest tent

h?

1 answer:

Arturiano [62]2 years ago

5 0

You subtract 38.75 from 46.5, which is 7.75. 7.75/46.5=about .16666, or 16.7 percent.

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(b-c)3 +(c-d) raise to3 3+(d-b)3

Juliette [100K]

Answer:3 b − 2 c− d , t o 3 , 3 + 3d − 3 b

Step-by-step explanation:

( b − c ) ⋅ 3 + ( c -d ) raise t o 3 3 + ( d − b ) ⋅ 3

Write the problem as a mathematical expression.

( b − c ) ⋅ 3 +( c − d ) raise t o3 3+ ( d − b) ⋅ 3

Remove parentheses.

( b − c) ⋅ 3 + c − d , t o 3 , 3 + ( d − b ) ⋅ 3

Simplify each term.

Apply the distributive property.

b ⋅ 3 − c ⋅ 3 + c− d

Move 3 to the left of b . 3 ⋅ b − c ⋅ 3 + c − d

Multiply 3 by − 1 ⋅ 3 b − 3 c + c − d

Add − 3 c and c. 3 b − 2 c − d , t o 3 , 3 + ( d − b ) ⋅ 3

Simplify each term.

Apply the distributive property.

3 + d ⋅ 3 − b ⋅ 3

Move 3 to the left of d . 3 + 3 ⋅ d − b ⋅ 3

Multiply 3 by − 1 . 3 + 3 d − 3 b

4 0

2 years ago

In a bag there are eight red marbles, twelve blue marbles, and four green marbles. What is the probability that you will draw a

weeeeeb [17]

8+12+4= 24

This is the total amount of marbles. You’ll divide the green marbles by the total amount since you want the probability of green marbles.

4/24= .16 or 16% possibikity

7 0

2 years ago

A wire 23 cm long is cut into two pieces. The longer piece is 7 cm longer than the shorter piece.

Flura [38]

Length of a wire = 23 cm

Given that :

▪︎The wire was cut into two pieces.

▪︎The longer piece of wire is 7 cm longer than the shorter piece of wire.

Let the shorter piece of wire be x.

Then, the longer piece of wire = x+7

An equation that can be derived from these statements :

▪︎x + x + 7 = 23

Let us solve this equation :

$= \tt x + x +7 = 23$

$= \tt 2x + 7 = 23$

$= \tt 2x = 16$

$= \tt x = \frac{16}{2}$

$\color{plum} \hookrightarrow \color{plum}x = 8$

Thus, the value of x = 8.

Which means :

Length of the shorter piece of wire = 8 cm

Length of the longer piece of wire = 8 + 7 = 15 cm

Since the length of the two wires add up to form 23 cm(8+15=23), we can conclude that we have found out the correct measures of each wire.

Therefore, the length of the shorter piece of wire = <u>8 cm</u>

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2 years ago

What is the value of the expression x^-2y^3 when x= -5 and y= 2

Reil [10]

The answer is -192 because 5^-2 is -25 and 2^3 is 8, so -25 times 8 is -192.

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2 years ago

164-5)-2 -jddjdjej hejdjdjdjdjjd

marta [7]

Answer:

4

Step-by-step explanation:

4*5=20

2*3=6

1/2*20=10

10-6=4

5 0

2 years ago

Read 2 more answers