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Natalija [7]
2 years ago
13

How do you solve this question

Mathematics
1 answer:
Vilka [71]2 years ago
5 0

I use math-way for problems like this its really helpful :)

a=b+cw

-----------------

1+b+cw-w2

(I'm guessing your solving for A tell me if I'm wrong and I will fix it so I don't take your points)

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What is the best estimate for the product of 289 and 7
Alja [10]
The best estimate would be 2,000 but, the original answer is 2,023
7 0
3 years ago
What is the slope intercept form of the equation of the line that passes through the point (-6 ,1) and is perpendicular to the g
Elena-2011 [213]

Answer:

y-1 = 3/2(x+6)

Step-by-step explanation:

slope of equation is -2/3 so to make it perpendicular find the opposite reciprocal: 3/2, that's the new slope, plug in x and y

6 0
3 years ago
Read 2 more answers
Luther earned some money doing odd jobs last summer and put it in a savings account that earns 3% interest compounded quarterly
inysia [295]

The function we have to use in this case is

m(t)=m_o\cdot(1+\frac{0.03}{4})^{4t}

where mo is the initial amount of money. After 2 teats we get that

\begin{gathered} m_0\cdot(1+\frac{0.03}{4})^8=800 \\ m_0\cdot1.06=800 \\ m_0=\frac{800}{1.06}\approx754.71 \end{gathered}

SO he earned 755 approximately

8 0
1 year ago
Please please help i beg ill give brainlist
Marta_Voda [28]

Answer:

a_{15}=-268,435,456

Step-by-step explanation:

First, find what factor each term is multiplied by to get to the next. To do this, divide the second term by the first, the third term by the second, etc

4\div-1=-4\\-16\div4=-4\\64\div-16=-4

The common factor is 4. Using that, you can now write the equation for the geometric sequence in the form of:

a_n=a_1x^{n-1}

It looks scarier than it is. aₙ is the nth term in the sequence, x is the factor, and n is the index in the sequence, that's all it is.

Plug in the information we have to get the equation for this sequence:

a_n=(-1)(-4)^{n-1}

Then, you can solve for the 15th term:

a_{15}=(-1)(-4)^{15-1}\\a_{15}=(-1)(-4)^{14}\\a_{15}=(-1)(268,435,456)\\a_{15}=-268,435,456

Basically, just raise the scale factor to the power of the term you want minus 1, then multiply that by the first number.

4 0
2 years ago
An unfair coin with .4 probability of tails is flipped 7 times what is the probability of obtaining exactly 5 heads
steposvetlana [31]
P(heads) = 1 - 0.4 = 0.6P(5\ heads)=7C5\times0.6^{5}\times0.4^{2}=0.2613
The answer is 0.26 to 2 d.p.
5 0
2 years ago
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