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HACTEHA [7]
3 years ago
5

2x+3=4 3x+y=solve by graphing and plz show work

Mathematics
2 answers:
xenn [34]3 years ago
6 0
The answer is x = 1/2
ch4aika [34]3 years ago
3 0

Answer:

2x+3=4

   -3  -3

2x=1

-------

 2

x=1/2

You might be interested in
Alice is saving money at a constant rate. Suppose she initially has $70 saved, and after 2 months, she has $170 saved.
timofeeve [1]

Answer:

50 dollars per month

Step-by-step explanation:

Given

Months = 2

Total = 170

Initial = 70

Required

Determine the rate of savings

Suppose in a month, she saves x amount.

In 2 months, she would save 2x

When 2x is added to the initial savings, it gives the total amount saved.

So, we have:

2x + 70 = 170

Collect Like Terms

2x = 170 - 70

2x = 100

Divide both sides by 2

x = \frac{100}{2}

x = 50

<em>Hence, she saves $50 dollars monthly</em>

3 0
3 years ago
Parker wants to ride his bicycle 34 miles this week. He has already ridden 10 miles. If he rides for 5 more days, how many miles
vazorg [7]

Answer: He rode 4.8 miles each day.

Variable: x = Constant distance distance traveledd each day.

Equation : 10+5x=34

Step-by-step explanation:

Total distance needs to travel = 34 miles

Distance already traveled = 10 miles

He will ride bicycle for 5  more days.

Let x = Constant distance distance traveledd each day.

Total distance = 10+5x

i.e.

10+5x=34\\\\\Rightarrow\ 5x=24\\\\\Rightarrow\ x=4.8

Hence, he rode 4.8 miles each day.

7 0
3 years ago
Pleasehelpp!!!
mash [69]
It is B because the euation of a line is mx+b m=the slope and b= the y intercept
8 0
4 years ago
Please me answer this question
Alex73 [517]

Answer:

x=11, y=13

Step-by-step explanation:

3x-2y=7

3x-2(x+2)=7 .          - x + = -      -2*+2=-4

3x-2x-4=7

1x-4=7

x=7+4

x=11

y=x+2

y=11+2

y=13

8 0
3 years ago
Read 2 more answers
8. The distribution for the time it takes a student to complete the fall class registration has mean of 94 minutes and standard
Alborosie

Answer:

Mean = 94

Standard deviation = 1.12

The sampling distribution of the sample mean is going to be normally distributed, beause the size of the samples are 80, which is larger than 30.

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a random variable X, with mean \mu and standard deviation \sigma, the sample means with size n of at least 30 can be approximated to a normal distribution with mean \mu and standard deviation, which is also called standard error s = \frac{\sigma}{\sqrt{n}}

In this problem, we have that:

\mu = 94, \sigma = 10

By the Central Limit Theorem

The sampling distribution of the sample mean is going to be normally distributed, beause the size of the samples are 80, which is larger than 30.

Mean = 94

Standard deviation:

s = \frac{10}{\sqrt{80}} = 1.12

7 0
3 years ago
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