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ArbitrLikvidat [17]
3 years ago
7

Is the following an identity or have no solution. 2(a-4)=4a-(2a+4)

Mathematics
1 answer:
gulaghasi [49]3 years ago
4 0
There is no solution.
You might be interested in
The first two terms of an exponential sequence are 18 and 6. What are the next three terms?
sweet [91]

Answer:

The next three terms are 54, 162, 486

Step-by-step explanation:

Exponential sequences you multiply to find the next term

6 x 3 = 18 (to find the next term you can multiply the previous term by 3)

18 x 3 = 54

54 x 3 = 162

162 x 3 = 486

7 0
3 years ago
The networking organization you joined is throwing a party. You are in charge of buying the chips, which cost $2.50 per bag and
Julli [10]

Answer:

Number of salsa jars you can buy is 8 jars

The number of bags of chips you can buy is 28 bags

Step-by-step explanation:

The question above is incomplete.

In other to complete it, we would have to make some assumptions.

You are in charge of buying the chips, which cost $2.50 per bag and salsa, which costs $4 per jar. The chips & salsa budget you are given totals $60. The inequality 2.5x + 4y less than or equal to 60 represents the possible combinations of chips (x) and salsa (y ) you can buy.

Hence, we solve for x and y

The inequality is given:

2.5x + 4y ≤ 60

2.5x + 4y = 60........ Equation 1

Let us assume that the total number of bags of chips - jar of salsa you can buy is equal to 20.

Hence:

x - y = 20...... Equation 2

x = 20 + y

Substitute 20 + y for x in Equation 1

2.5x + 4y = 60........ Equation 1

2.5(20 + y) + 4y = 60

50 + 2.5y + 4y = 60

Collect like terms

2.5y + 4y = 60 -50

6.5y = 50

y = 50/6.5

y = 7.6923076923

Approximately to the nearest whole number

Number of salsa jars you can buy is 8

From here, we can solve for x based on this assumptions

x - y = 20

x - 8 = 20

x = 20 + 8

x = 28

The number of bags of chips you can buy is 28 bags

6 0
3 years ago
Mark reduce the size of a photo to a height of 4 inches. What is the new width if it was originally 16 inches tall and 8 inches
uranmaximum [27]

Answer:

Step-by-step explanation:

new height is ¼ of original height

new width = ¼×8 = 2 inches

4 0
3 years ago
Read 2 more answers
2 Mini Lesson: A wireless phone plan costs Eric $35 for a month of service during which he sent 450 text messages. If he was cha
mafiozo [28]

9514 1404 393

Explanation:

From your knowledge of the world, you know that ...

  • the cost of multiple items is the sum of their individual costs
  • multiplication can be used for repeated addition
  • utility fees are the sum of fixed fees and usage-related fees
  • for a phone plan, text message costs are a usage-related fee

The problem statement asks for the cost of a single text message. For the purpose of finding that value, it is convenient to represent it using the variable <em>t</em>. The problem statement says Eric was billed for 450 text messages, so we expect his usage-related fee to be 450t, the sum of the costs of 450 messages--using multiplication for the repeated sum.

The problem statement says Eric was billed 12.50 for fixed fees. So, we expect Eric's total bill to be ...

  fixed fees + usage-related fees = 12.50 + 450t

The problem statement says Eric's total bill was 35.00, so we assume that is the sum of the above-listed fees. That is, the two ways to express Eric's total bill are equal.

  12.50 +450t = 35.00

4 0
3 years ago
What is the slope of the line shown in the graph?
soldier1979 [14.2K]
Slope= y2-y1/ x2-x1
= -1-2/-1+3
= -3/2 is the answer
6 0
3 years ago
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