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3 years ago

Write each equation in standard form. Identify A,B,and C. 2x=4y-1

Mathematics

2 answers:

podryga [215]3 years ago

3 0

Answer: 2x - 4y = -1

Step 1: Move the variable.

2x - 4y = 4y - 1 - 4y

Step 2: Remove the opposites.

2x - 4y = -1

Answer = 2x - 4y = -1

Hope this helps!

vodka [1.7K]3 years ago

3 0

Answer:

2x - 4y = -1

Step-by-step explanation:

Ax + By + C

A = 2

B = -4

C = -1

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A student gets 68 marks n therefore gets 85 percent total marks are?

mihalych1998 [28]

Answer:

There are 80 marks in total.

Step-by-step explanation:

Let the number of total marks be $x$ .

The percentage score of the student can be written as the ratio

$\displaystyle \frac{68}{x} = 85\%$ .

However,

$\displaystyle 85\% = \frac{85}{100}$ .

Equating the two:

$\displaystyle \frac{68}{x} = \frac{85}{100}$ .

Cross-multiply (that is: multiple both sides by $100x$ , the product of the two denominators) to get

$85x = 68\times 100$ .

$\displaystyle x = \frac{68\times 100}{85} = 80$ .

In other words, there are 80 marks in total.

4 0

3 years ago

6 4/5 - 2 1/5 is what?

pogonyaev

6-2=4 whole number
4/5-1/5=3/5 fraction
put the fraction and whole number toger and you'll get
since the denominator is the same it's easier to subract

4 3/5 <--- answer

3 0

3 years ago

Read 2 more answers

.125 as a fraction .

Oduvanchick [21]

Answer:

1/8

Step-by-step explanation:

7 0

3 years ago

Janelle has a 12 ounce can of soft drink. She drink 3/5 of the soft drink. How many ounces of soft drink are left in tbe can?

ivann1987 [24]

Answer: 4.8 ounces

Step-by-step explanation:

In total there are 12 ounces. If she drinks 3/5 of 12 you multiply 3/5 by 12.

3/5 * 12 would be equal to 3/5 * 12/1 which is 36/5. You have found how much she has drank. 36/5 is also equal to 7.2 ounces. Subtract 7.2 form 12 and you get 4.8 ounces.

Hope this helped!

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3 years ago

Any help is apprenticed!

zloy xaker [14]

Answer:

y=2/3-4x/9

Step-by-step explanation:

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