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aliina [53]
4 years ago
10

Solve. 5x – 10 ≤ 20 A. (–∞, 2] B. (–∞, 2) C. (–∞, 6] D. (–∞, 6)

Mathematics
2 answers:
elena55 [62]4 years ago
4 0
The answer is C.

I hope this helps.
Alexxx [7]4 years ago
4 0

Answer:

option C (-∞,6]

Step-by-step explanation:

5x - 10 \leq 20

To solve the inequality we need to get x alone

To get x alone , add 10 on both sides

5x - 10+10 \leq 20+10

5x \leq 30

Divide both sides by 5

x \leq 6

for x \leq 6, the solution is (-∞,6]

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Answer:

White = 1.67 gallons

Blue = 0.33 gallons

Step-by-step explanation:

White : blue = 3 : 1

Total ratio = 3 + 1

= 4

Gallons = 2

White = 3 /4 × 2

= 6 /4

= 3/2 gallons

Blue = 1 / 4 × 2

= 2/4

= 1/2

If he later decide to dilute the color to a ratio of 5:1

Total ratio = 5 + 1

= 6

Total gallons = 2

White = 5 / 6 × 2

= 10/6

= 5/3 gallons

Or

= 1.67 gallons

Blue = 1 / 6 × 2

= 2 / 6

= 1/3 gallons

Or

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4 0
3 years ago
The elevation of city A is 72 feet above sea level; the elevation of City C is 24 feet above sea level. The elevation of city D
emmasim [6.3K]

Answer:

<h2> D=C/4</h2>

Step-by-step explanation:

Given that elevation of the cities are

A=72 feet

C=24 feet

D=1/4 of C

The expression for the elevation of city D is

D=C/4

substituting C=24 in the expression we have

D=24/4

D=6

The answer is positive because the elevation is above sea level

7 0
4 years ago
Lee buys a computer and a printer for $2,028 The printer costs 30% the price of the computer. What is the price of the computer?
lisov135 [29]

Answer: $1,560

Step-by-step explanation:

Assume the computer's price is x.

This means that expressing the printer in terms of x would be:

= 30% * x

= 0.3x

These two put together represent the cost of $2,028

Expression is:

x + 0.3x = 2,028

1.3x = 2,028

x = 2,028/ 1.3

x = $1,560

Computer was $1,560

Printer was therefore:

= 1,560 * 30%

= $468

5 0
3 years ago
When addressing an envelope for delivery in the United States or Canada, the zip code should appear
levacccp [35]
ZIP codes are codes utilized for the purpose of postal and adhering to the postal system. This contributes to faster process of delivering to and from the send and receiver of the mails. ZIP codes do not just apply on countries worldwide, but this also applies to the places inside these countries. Provinces and cities and have their own ZIP codes assigned to them in accordance to the ZIP code assigned to the country. This is why most mails should have a ZIP code attached to the mail and to the letter when being delivered whether it is locally delivered or internationally delivered. When addressing an envelope for delivery in the United States or Canada, the ZIP code should appear on the same line as the city and state. So the answer to the question above would be B.
6 0
3 years ago
Anthony is gathering workout clothes. There are 4 pairs of running shoes and 10 workout shirts to choose from. How many differen
julsineya [31]

Answer:

40

Step-by-step explanation:

3 0
3 years ago
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