3 years ago

Solve system graphically y = 3x - 3 y = -x + 1

Mathematics

1 answer:

Mazyrski [523]3 years ago

5 0

Answer:

x=1

Step-by-step explanation:

when both are graphed the lines intersect at (1,0) or x=1

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UCF is a major Metropolitan University located in Orlando Florida. UCF is advertising their bachelor in Economics with the stati

Arlecino [84]

Answer:

The claim is rejected

Step-by-step explanation:

Claim: UCF is advertising their bachelor in Economics with the statistic that the starting salary of a graduate with a bachelor in economics is $ 48,500 according to Payscale (2013-13).

Null hypothesis: $H_0: \mu = 48500$

Alternate hypothesis : $H_a : \mu \neq 48500$

n = 50

Since n is more than 30 .

So we will use Z test

x=43350

Standard deviation = 15000

$Z=\frac{x-\mu}{\frac{s}{\sqrt{n}}}\\Z=\frac{43350-48500}{\frac{15000}{\sqrt{50}}}\\Z=-2.42$

Refer the z table

p value = 0.00776

$\alpha = 0.01$

p value < $\alpha$

So, We are failed to accept null hypothesis

Hence The claim is rejected

5 0

3 years ago

How can you translate the word phrase into verbal expression eight less than the quotient of x and three

Vladimir [108]

X divided by 3 or X/3 minus 8

3 0

3 years ago

A countertop is in the shape of a trapezoid.

RideAnS [48]

Uhhhhh yes.?

love that for u

4 0

2 years ago

a student found the slope of a line that passes through the points (1,14) and (3,4) to be 5. what mistake did she make?

SSSSS [86.1K]

M = (y2-y1)/(x2-x1)
= (4-14)/3-1
= -10/2
= -5

4 0

3 years ago

Two consecutive even whole numbers have a product of 360. What is the smaller of the<br> two number?

Fed [463]

Answer:

let one even number be N

and another even number be N(N+2)

N(N+2)=360

n^2+2n-360=0

n^2+20n-18n-360=0

value of N= -20 ,18

but -20 not accepted

smaller number 18

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers