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Gekata [30.6K]
4 years ago
9

What is the solution to the system of equations represented by these two lines?

Mathematics
1 answer:
nikdorinn [45]4 years ago
5 0

Answer:

A

Step-by-step explanation:

The solution to a system of equations given graphically is at the point of intersection of the two lines.

The lines intersect at (3, 1 ) ← solution

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-4c+5d = 14<br> -40+ 3d= 8
solmaris [256]

Answer:

d = 3  c= 1/4

Step-by-step explanation:

Eq. 1) -4c + 5d = 14

Eq. 2) -4c + 3d = 8   ( the written Eq. says 40 but I am guessing it's 4c )

subtract  Eq. 1 and Eq. 2

2d=6

d=3

plug 3 in for d in Eq. 1

-4c + 5(3) = 14

-4c + 15 = 14

-4c = -1

c = 1/4

6 0
3 years ago
Forty-seven percent of fish in a river are catfish. Imagine scooping out a simple random sample of 25 fish from the river and ob
WARRIOR [948]

Answer:

Therefore the correct option is a.) The standard deviation is 0.0998. The 10% condition is met because it is very likely there are more than 250 catfish in the river.

Step-by-step explanation:

i) Let p = 0.47

ii) therefore q = 1 - 0.47 = 0.53

iii) sample size, n =25

iii) standard deviation = \sqrt{\frac{p \times q}{n} }  = \sqrt{\frac{0.47 \times 0.53}{25} } = 0.0998

Therefore the correct option is

a.) The standard deviation is 0.0998. The 10% condition is met because it

    is very likely there are more than 250 catfish in the river.

8 0
3 years ago
$8000 principal earning 5% compounded annually, after 6 years
Verdich [7]

Future amount after 6 years will be: $10720.76

Step-by-step explanation:

Principal = $8000

Interest= 5% compounded annually

Time = 6 years

We need to find A (future amount)

The formula used is:

A=P(1+\frac{r}{n})^{nt}

A= Future amount

P= Principal amount

r= interest rate

n= no of times interest is applied

t= time

Putting values and finding A

P=8000. r=0.05, n=1, t=6

A=P(1+\frac{r}{n})^{nt}\\A=8000(1+\frac{0.05}{1})^{1*6}\\ A=8000(1+0.05)^{6}\\ A=8000(1.05)^{6}\\A=10720.76

So, Future amount after 6 years will be: $10720.76

Keywords: Compound Interest

Learn more about Compound Interest at:

  • brainly.com/question/3614284
  • brainly.com/question/8280736

#learnwithBrainly

8 0
3 years ago
Help i need to <br> Simplify:
son4ous [18]
The answer is B. 53/20 !!!!
4 0
3 years ago
Read 2 more answers
In a video game, minerals are mined at a rate of 0.8 minerals per second. The player starts off with 250 minerals. This can be r
Reika [66]
B.  The number of minerals minded in 45 seconds.
4 0
3 years ago
Read 2 more answers
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