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Ghella [55]
2 years ago
8

Please help answer these math question will give brainless.. :)

Mathematics
1 answer:
dezoksy [38]2 years ago
8 0
I’m going to do one at a time 7a.) y=-3x+3
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A system of equations is given below. y=1/2x-3 and -1/2x-3. Which of the following statements best describes the two lines?
pantera1 [17]

"They have different slopes but the same y-intercept, so they have one solution" is the statement which best describes the two lines.

Answer: Option D

<u>Step-by-step explanation:</u>

Given equations:

           y=\left(\frac{1}{2} \times x\right)-3

           y=\left(-\frac{1}{2} \times x\right)-3

As we know that the slope intercept form of a line is  

                             y = m x + c  

So, from equation 1 and equation 2 we can see that

              m_{1}=\frac{1}{2} \quad \text { and } c_{1}=-3

              m_{2}=-\frac{1}{2} \text { and } c_{2}=-3

So, from the above expressions, we can say that both lines have different slopes but have same y – intercept with one common solution when x = 0.

4 0
3 years ago
Read 2 more answers
Suppose you write a sum of numbers as a product of their GCF and another sum. What is the GCF of the numbers in the other sum? C
vivado [14]

Answer:

1

Step-by-step explanation:

7 0
2 years ago
4/5 to 3/5 as a tenth of a percent
Rudik [331]
12/25 that will be the answer so its the percent time always helps.
5 0
2 years ago
Jackie deposited $315 into a bank account that earned 1.5% simple interest each year.
Brrunno [24]

Answer:

copied from InesWalston expert

Money in the bank account after 3 years will be  $329.18

Step-by-step explanation:

Jackie deposited $315 into a bank account that earned 1.5% simple interest each year for 3 year, while no money was deposited into or withdrawn from the account.

We know that,

i = p.r.t / 100

Where,

i = interest

P = Principal = $315

r = Rate of interest = 1.5% annual

t = time period = 3 years

Putting the values,

i = 315 × 1.5 × 3 / 100 = $14.18

Total money in bank account = Principal + interest = 315 + 14.18 = $329.18

3 0
2 years ago
Use long division to find the quotient below. (5x5 -5x3 - 10x2 - 80x) = (x+2)
kykrilka [37]

Answer: c

Step-by-step explanation:

8 0
3 years ago
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