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Kazeer [188]
3 years ago
13

Use the system of equations to answer the questions.

Mathematics
1 answer:
kap26 [50]3 years ago
4 0
The value of x is 16/7

the value of y is 8/7
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Solve for x
ludmilkaskok [199]

Answer:

x = 3/4

Step-by-step explanation:

Step 1: Write equation

5x - 2(x + 1) = 1/4

Step 2: Solve for <em>x</em>

  1. <u>Distribute -2:</u> 5x - 2x - 2 = 1/4
  2. <u>Combine like terms:</u> 3x - 2 = 1/4
  3. <u>Add 2 to both sides:</u> 3x = 9/4
  4. <u>Divide both sides by 3:</u> x = 3/4

Step 3: Check

<em>Plug in x to verify it's a solution.</em>

5(3/4) - 2(3/4 + 1) = 1/4

15/4 - 2(7/4) = 1/4

15/4 - 14/4 = 1/4

1/4 = 1/4

3 0
3 years ago
Which equation has no solution?
Sergeu [11.5K]
Do each equation individually and compare if they are the same end answer in each question. which ever one is unequal than that is the answer
3 0
3 years ago
Which is the graph of f(x)=5(2)^x
Inessa05 [86]
X:     -2|   -1| 0|   1|   2|
y: 1.25| 2.5| 5| 10| 20|
 

4 0
3 years ago
Read 2 more answers
The weights of newborn baby boys born at a local hospital are believed to have a normal distribution with an average weight of 5
Lisa [10]

Answer: 0.4987

Step-by-step explanation:

Given : The weights of newborn baby boys born at a local hospital are believed to have a normal distribution with

Mean : \mu=5\text { lbs}

Standard deviation : \sigma= 2\text{ lbs}

Let X be the random variable that represents the weight of randomly selected student .

Z score : z=\dfrac{x-\mu}{\sigma}

For x = 5 lbs

z=\dfrac{5-5}{2}=0

For x = 11 lbs

z=\dfrac{11-5}{2}=3

By using the standard normal distribution table ,  the probability that the weight of the newborn baby boy will be between 5 lbs and 11 lbs :-

P(5

Hence, the probability that the weight of the newborn baby boy will be between 5 lbs and 11 lbs =0.4987

5 0
3 years ago
Need help with c and d please
cupoosta [38]

Answer:

here's what I got

C. 6 x 8  

D. 12 x 16

8 0
3 years ago
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