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aniked [119]
4 years ago
5

Can I get help with 15. Please help me and show work

Mathematics
1 answer:
Snowcat [4.5K]4 years ago
4 0

Answer:

y=2x+1

Step-by-step explanation (Using Slope Intercept Form) :

The line crosses at 1, so 1 is the y-intercept.

The slope of the line is 2.

I picked (1,3) and (0,1) as my points.

m=\frac{rise}{run}=\frac{y2-y1}{x2-x1} =\frac{3-1}{0-1} = \frac{2}{-1}

However due to the line going in a positive direction, the slope is positive.

In slope intercept form, m is the slope and b is the y intercept.

y=mx+b\\y=2x+1

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The Ferrer family is taking a vacation. During their vacation they will drive a total of 686 miles at an average speed of 65 mil
aleksklad [387]

Answer:

A- m= 686 - 65h

B- h = 686 + 65m

C- m = 686 + 65h

D- h = 686 - 65m

step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Please help me figure this out explain it to me
jeka94

Answer:

40yd

Step-by-step explanation:

area of total minus unshaded portion

8 0
3 years ago
David is making patterns using these rules. Rule for Pattern A: start with 20 and subtract 2 Rule for Pattern B: start with 10 a
pochemuha

Answer:

20,18,16,14,12,10,8,6,4,2

10,9,8,7,6,5,4,3,2,1

Step-by-step explanation:

Pattern A:

Rule : start with 20 and subtract 2

Pattern B:

Rule : Start with 10 and subtract 1

Pattern 1:

20 - 2 = 18

18 - 2 = 16

16 - 2 = 14

14 - 2 = 12

12 - 2 = 10

10 - 2 = 8

8 - 2 = 6

6 - 2 = 4

4 - 2 = 2

20,18,16,14,12,10,8,6,4,2

Pattern 2:

10 - 1 = 9

9 - 1 = 8

8 - 1 = 7

7 - 1 = 6

6 - 1 = 5

5 - 1 = 4

4 - 1 = 3

3 - 1 = 2

2 - 1 = 1

10,9,8,7,6,5,4,3,2,1

5 0
3 years ago
6<br><br><br> math geniuses help please!!<br><br><br> math
damaskus [11]

Answer:

A

Step-by-step explanation:

Begin with Euler's formula. I am assuming youre aware of this if youre taking complex algebra? You can prove Euler's formula by doing a Maclaurin expansion of cosine, sine, and e^x. Euler's formula states that:

e^{ix}=cos(x)+isin(x)

We can put the first complex number in exponetial form by noticing the input is 2pi/3. The second complex number has an input of pi/3. Therefore:

z_1=8e^{i(2\pi /3)}

z_2=0.5e^{i(\pi /3)}

Then:

\frac{z_1}{z_2} =\frac{8e^{i(2\pi /3)}}{0.5e^{i(\pi /3)}}

Simplify the coefficients to get:

\frac{z_1}{z_2} =\frac{16e^{i(2\pi /3)}}{e^{i(\pi /3)}}

When you divide exponentials, you subtract the exponents. Therefore:

\frac{z_1}{z_2} =16e^{i(2\pi /3)-i(\pi /3)}=16e^{i(\pi /3)

Put it back into trigonemtric form using Euler's formula:

16e^{i(\pi /3)}=16cos(\pi /3)+i16sin(\pi /3)

Cosine of pi/3 is 0.5, and sine of pi/3 is square root of 3 over 2. We have:

16e^{i(\pi /3)}=16cos(\pi /3)+i16sin(\pi /3)=16*0.5+16*\frac{\sqrt{3} }{2} *i=8+8\sqrt{3} i

5 0
2 years ago
Find the 11th term of the geometric sequence 6, -18, 54<br> AYUDEN CHUCHA
otez555 [7]

Step-by-step explanation:

T1=a

T2=ar

r=T2÷T1

r=--18÷6

r=-3

T11=ar^10

T11=6×-3^10

T11=-354294

8 0
4 years ago
Read 2 more answers
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