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VARVARA [1.3K]
3 years ago
8

Which of the following expressions could be used to find the sale price of an item that costs d dollars if it is on sale for 30%

off?
Mathematics
1 answer:
Reptile [31]3 years ago
6 0

Answer:

d-30%d

Step-by-step explanation:

You might be interested in
A. Use substitution and show work
Alja [10]
A) 2x -3(3x -7) = 7 . . . . substitute for y
.. -7x = -14 . . . . . . . . . . . subtract 21
.. x = 2 . . . . . . . . . . . . . divide by -7
.. y = 3*2 -7 = -1 . . . . . . substitute for x
(x, y) = (2, -1)


B) 5(5x -2y) -2(3x -5y) = 5(8) -2(1) . . . . subtract 2 times 2nd equation from 5 times 1st
.. 19x = 38 . . . . simplify
.. x = 2 . . . . . . . divide by 19
.. y = (5x -8)/2 = 1 . . . . solve 1st equation for y, substitute x
(x, y) = (2, 1)


C) See the first graph.
(x, y) = (-4, 1)


D) See the second graph.
(x, y) = (3, 2)

6 0
3 years ago
At a school carnival, 33 out of 55 tickets sold were early-admission tickets. What percentage of the tickets were early-admissio
7nadin3 [17]

Answer:

60%

Step-by-step explanation:

33/55 = .6

multiple by 100 to convert the decimal into a percentage

.6 × 100 = 60%

8 0
3 years ago
There are five red marbles eight blue marbles and 12 Green marbles in a bag. What is the theoretical probability of randomly dra
Angelina_Jolie [31]
You do add den you get30
3 0
3 years ago
Order the following from least to greatest 0.222, 1/5, 0.02
lorasvet [3.4K]
1. Put all values in decimals

0.222=0.222

1/5= 0.2

0.02= 0.02

2. Order the cakes from least to greatest

0.02, 0.2, 0.222


Hope this helps!
6 0
3 years ago
Read 2 more answers
Celeste is making fruit baskets for a local hospital. The directions say to use 5 apples for every 6 oranges. Celeste is filling
MariettaO [177]

Answer:

A. Equivalent ratios of 5:6

We multiply both the numerator and the denominator by the same number, this way:

<u>10:12 , 15:18, 20:24, 25:30</u>

B. Equivalent ratios of 2:3

We multiply both the numerator and the denominator by the same number, this way:

<u>4:6 , 6:9, 8:12, 10:15, 12:18</u>

C. We have the same number of oranges at:

<u>10:12 and 8:12</u>

<u>15:18 and 12:18</u>

<u>Like Celeste decided not to follow the directions, she's actually using less apples than expected to fill the baskets.</u>

Step-by-step explanation:

1. Let's check all the information provided to answer the question correctly:

Ratio that the local hospital say to Celeste to use : 5 apples for every 6 oranges

Ratio that Celeste is actually using: 2 apples for every 3 oranges

2.  Complete the tables to find equivalent ratios.

A. Equivalent ratios of 5:6

We multiply both the numerator and the denominator by the same number, this way:

10:12 , 15:18, 20:24, 25:30

B. Equivalent ratios of 2:3

We multiply both the numerator and the denominator by the same number, this way:

4:6 , 6:9, 8:12, 10:15, 12:18

3. Circle two columns, one in each table, in which the number of oranges is the same.

We have the same number of oranges at:

10:12 and 8:12

15:18 and 12:18

Like Celeste decided not to follow the directions, she's actually using less apples than expected to fill the baskets.

8 0
3 years ago
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