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Colt1911 [192]
3 years ago
13

Solve the system (PICTURE) by graphing

Mathematics
1 answer:
erastova [34]3 years ago
5 0

Answer:

The solution of the system of equations is the point (-3,-4)

Step-by-step explanation:

we have

y=x-1 -----> equation A

y=-\frac{4}{3}x-8 -----> equation B

we know that

The solution of the system of equations, is the intersection point both graphs

Using a graphing tool

The intersection point is (-3,-4)

see the attached figure

therefore

The solution of the system of equations is the point (-3,-4)

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204/3 = 68
68 beats per minute
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3 years ago
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(4y + 5) + (-7y - 1) <br>a. 3y + 4 <br>b. 3y + 4 <br>c. 11y + 4 <br>d. 3y + 6<br>​
yan [13]

Answer: -3y +4

Step-by-step explanation:

3 0
3 years ago
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A teacher decides to purchase a new car and considers two options. Option one is the new Zoomba for $60,000 with an expected dep
Lady bird [3.3K]

The teacher chose option 2, the Starfish and it was valued at $35,200 after two months.

Step-by-step explanation:

Step 1; The Zoomba is priced at $60,000 and has an expected depreciation of 2% per month. So the annual depreciation is 12 months * 2% per month = 24% per year. The teacher plans to keep either car for two years do total depreciation is 2 years * 24% depreciation per year = 48 % in two years.

Value of car after two years = Buying price - Depreciation amount

= $60,000 - 48% of $60,000 = $60,000 - 0.48*$60,000 = $31,200

The car will be valued at $31,200 after two years. To determine how much value it has retained we divide the value in two years to the current value i.e $31,200 divided by $60,000 which equals 0.52 (52% of initial price)

Step 2; The Starfish is priced at $40,00 and will depreciate $200 every month. For a year it will depreciate 12 months * $200 per month = $2,400 a year. So for a total of two years a depreciaition of $4,800.

Value of car after two years = Buying price - Depreciation amount

= $40,000 - $4,800 = $35,200

The car will be valued at $35,200 after two years. To see the retained value we divide the depreciated value by the current value i.e. $35,200 divided by $40,000 which equals 0.88 (88% of the initial price)

Step 3; Of the two options, the Starfish retains more of its value over two years. So the teacher chose the Starfish over the Zoomba.

7 0
4 years ago
I need help please with this
kramer

Answer:

f(- 2) = 23

Step-by-step explanation:

substitute x = - 2 into f(x) and evaluate

f(- 2) = 3(- 2)² - (- 2) + 7 = 12 + 4 + 7 = 23


8 0
4 years ago
Give all the answer right
slega [8]

Answer:

i think 1, 3, 4 for rational

the rest for irrational

Step-by-step explanation:

i'm sorry if it's wrong >_<

7 0
3 years ago
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