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Anarel [89]
4 years ago
7

Solve 7x-2/4=3x+1 show clear algebraic workings

Mathematics
1 answer:
deff fn [24]4 years ago
5 0

Answer:

x= 3/8 or 0.375

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

7x+−12=3x+1

Step 2: Subtract 3x from both sides.

7x+−12−3x=3x+1−3x

4x+−12=1

Step 3: Add 1/2 to both sides.

4x+−12+12=1+12

4x=32

Step 4: Divide both sides by 4.

4x4=324

x=38

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What is the solution to the system of equations?
s344n2d4d5 [400]

Answer:

(3,2)

Step-by-step explanation:

Here's your given:

y = 4x - 10

y = 2

Because they both equal y, that means they equal each other:

2 = 4x - 10

Add 10 on both sides:

12 = 4x

Then, divide 4 on both sides:

3 = x

This represents the x coordinate.

Normally you would put this value into one of the equations to figure out y, but they already gave us that in the beginning:

y = 2

This represents the y coordinate.

Put the two values together to get: (3,2)

5 0
3 years ago
Cathy ran 10 meters in 2 seconds. How much time did she take to complete 100 meters?
Fynjy0 [20]

Answer:

If Cathy ran at a constant speed of 10 meters in 2 seconds, it took Cathy 20 seconds to run 100 meters.

Step-by-step explanation:

Hope this helps.

4 0
4 years ago
Drag the tiles to the correct boxes to complete the pairs.
GuDViN [60]
Probability that Kevin has diabetes = 0.75, probability that test correctly sees this = 0.85, probability of both = 0.75*0.85 = 0.6375.
Probability that test doesn't see Kevin's diabetes = 0.75*0.15 = 0.1125
Probability that Kevin doesn't have diabetes = 0.25, probability that test correctly sees this = 0.85, probability of both = 0.25*0.85 = 0.2125
Probability that test mistakenly thinks Kevin has diabetes = 0.25*0.15 = 0.0375
In summary: 0.0375 - 4th choice0.6375 - 1st choice
0.1125 - 2nd choice
0.2125 - 3rd choice
3 0
3 years ago
Chad used the table to show the ratios of the different types of sports game cards that he owns. For every 2 offense cards, he o
Travka [436]

Answer:

The graph that has the points (2,4) and (4,8) should be the answer.

Step-by-step explanation:

This is the answer because if you see the ratio 2:4, that means that for every 2 offense cards there are 4 defense cards. As you continue to go up it would be (4,8), (6,12), (8,16), and so forth.

3 0
3 years ago
Read 2 more answers
A savings account increases from ​$250 to ​$260. What is the percent increase of the savings​ account?
geniusboy [140]

Answer:

4%

Step-by-step explanation:

260 - 250 = 10

10/250 * 100

1/25 * 100

100/25

4%

3 0
3 years ago
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