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marta [7]
3 years ago
7

Need some help with this​

Mathematics
2 answers:
77julia77 [94]3 years ago
5 0

Answer: Fourth Choice. 9

Concept:

Here, we need to know the idea of linear equations.

Linear equations are equations of the first order or basically in a straight line.

Linear equations can appear in different forms.

  • Slope-intercept form: y = mx + b
  • Point-slope form: y - y₁ = m (x - x₁)
  • Standard form: Ax + Bx = C
  • Intercept form: x / x₁ + y / y₁ = 1

Solve:

<u>STEP ONE: Determine the form of the equation</u>

y = (1 / 2)x + 9

There is a [m] and a [b], therefore, it is slope-intercept form.

In slope-intercept form, y = mx + b, where:

  • m = slope
  • b = y-intercept

<u />

<u>STEP TWO: Determine the y-intercept</u>

y = (1 / 2)x + 9

m = 1 / 2

b = 9

Therefore, the y-intercept is <u>9</u>

Hope this helps!! :)

Please let me know if you have any questions

sergij07 [2.7K]3 years ago
4 0

Answer:

gradient 1/2, y-intercept 9

Step-by-step exp

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Step-by-step explanation:

the first is 2 number of building

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Answer:

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Step-by-step explanation:

7 0
3 years ago
Please answer URGENT
aliya0001 [1]
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8 0
2 years ago
What is three and seven hundredths standard form
Valentin [98]

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Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Omar has decided to purchase an $11,000 car. He plans on putting 20% down toward the purchase, and financing the rest at 4.8% in
Solnce55 [7]

Answer:

The monthly payment is $262.95

Step-by-step explanation:

* Lets explain how to solve the problem

- Omar has decided to purchase an $11,000 car

- He plans on putting 20% down toward the purchase

* Lets find the value of the 20%

∵ The principal value is $11000

∴ the value of the 20% = 20/100 × 11000 = 2200

∴ He will put $2200 down

* Lets find the balance to be paid off on installments

∴ The balance = 11000 - 2200 = 8800

- He financing the rest at 4.8% interest rate for 3 years

* Lets find the rule of the monthly payment

∵ pmt=\frac{\frac{r}{n}[P(1+\frac{r}{n})^{nt}]}{(1+\frac{r}{n})^{nt}-1} , where

- pmt is the monthly payment

- P = the investment amount

- r = the annual interest rate (decimal)

- n = the number of times that interest is compounded per unit t

- t = the time the money is invested or borrowed for

∵ P = 8800

∵ r = 4.8/100 = 0.048

∵ n = 12

∵ t = 3

∴ pmt=\frac{\frac{0.048}{12}[8800(1+\frac{0.048}{12})^{3(12)}]}{(1+\frac{0.048}{12})^{3(12)}-1}

∴ pmt=\frac{0.004[8800(1.004)^{36}]}{(1.004)^{36}-1}=262.95

* The monthly payment is $262.95

8 0
3 years ago
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