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3 years ago

What is -945 x -56? i will mark brainliest if its right!

Mathematics

2 answers:

Korolek [52]3 years ago

7 0

Answer:

52,920

Step-by-step explanation:

Ierofanga [76]3 years ago

4 0

Answer:

52,920^^

Step-by-step explanation:

brains plss

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5 Raymond was riding a zip-cable from the top of a viewing post. The cable is 75 yards long. The viewing post is 60 yards high a

Alenkasestr [34]

It is 45 yd from the base of the pole.

The pieces of the right triangle we are given are one of the legs (the height of the pole, 60 yd) and the hypotenuse (the length of the cable, 75 yd). Using the Pythagorean theorem, we have:

60²+b²=75²
3600+b²=5625

Subtract 3600 from both sides:
3600+b²-3600=5625-3600
b²=2025

Take the square root of both sides:
√(b²) = √2025
b = 45

7 0

4 years ago

Read 2 more answers

The Weiland Computer Corporation is trying to choose between the following mutually exclusive design projects, P1 and P2:

uranmaximum [27]

Answer:

a profitability index P1=1.27

profitability index P2= 1.41

b NPV P1 = $14145.01

NPV P2 = $6630.3

c YES ANSWERS ARE DIFFERENT due to fact that cash flows in P1 is higher than in P2

Step-by-step explanation:

profitability index or = present value of an investment cash flows=67145.01

benefit cost ratio initial cost 53000

For project 1 or P1

cost of capital 10 % = 1.27

initial investment = $53,000 since year 0

Year Cash flows (P1)$ present value of future cash flows PV

1 27,000 24545.46

2 27,000 22314.05

3 27,000 20285.50

Total = 67145.01

use the formula of present value of future cash flows = C/(1+i)ⁿ

C = cash = 27000

i = interest = 10% = 10/ 100 = 0.1

n = year = 1

year 1 = 27000/(1+0.1)¹ = 24545.46

year 2 = 27000/(1.1)² = 22314.05 note n = 2

year 3 = 27000(1.1)³ = 20285.50

Profitability index = 1.27 > 1 thus it should be accepted

profitability index or = present value of an investment cash flows=22630.30

benefit cost ratio initial cost 16000

For project 1 or P1

cost of capital 10 % = 1.41

initial investment = $16,000 since year 0

Year Cash flows (P2)$ present value of future cash flows PV

1 9,100 8272.73

2 9,100 7520.6

3 9,100 6836.97

Total = 22630.30

use the formula of present value of future cash flows = C/(1+i)ⁿ

C = cash = 9100

i = interest = 10% = 10/ 100 = 0.1

n = year = 1

year 1 = 9100/(1+0.1)¹ = 8272.73

year 2 = 9100/(1.1)² = 7520.6 note n = 2

year 3 = 9100(1.1)³ = 6836.97

Profitability index = 1.41 > 1 thus it should be accepted

Profitability index of P1 = 1.27 AND P2 1.41 SO Weiland Computer Corporation SHOULD TAKE P2

b Net Present Value (NPV) decision rule =∑ pv - initial investment required

P1 = 67145.01 - 53,000 = $14145.01

P2 = 22630.30 - 16000 = $6630.3

Weiland Computer should take P1 since P1 > P2 that is $14145.01 >$6630.3

C YES ANSWERS ARE DIFFERENT due to fact that cash flows in P1 is higher than in P2

6 0

3 years ago

Write an equation of the line that passes through (5, −1) and is perpendicular to the line y=12x−1.

Lisa [10]

Step-by-step explanation:

solution

let,A(5,-1)

given

y=12x-1

or, y = 12 × x + (-1)

comparing it with y=mx+c

we get

x=1

y = c = -1

now

A(5,-1) and B(1,-1)

equation of line is,

(y-y1)/(x-x1) = (y2-y1)/(x2-x1)

or, (y+1)/(x-5) = (-1+1)/(1-5)

or, (y+1)/(x-5) = 0/-4

cross multiply

-4y-4 = 0

or, 0=4y+4

or, 4y+4=0 is the required eqn

I think this is the process and answer too.

I hope this helps you

4 0

3 years ago

PLEASE HELPP! Question 1: Factorise each of the following (a) x² + 7x + 12 (b) x² + 6x + 8 (c) x² + 5x + 6 (d) x² + 8x + 7

Liula [17]

Answer:

Using the mid-term break formula for all of them.

a) x²+7x+12

= x²+3x+4x+12

= x(x+3)+4(x+3)

= (x+4)(x+3)

b) x²+6x+8

= x²+2x+4x+8

= x(x+2)+4(x+2)

= (x+4)(x+2)

c) x²+5x+6

= x²+2x+3x+6

= x(x+2)+3(x+2)

= (x=3)(x+2)

d) x²+8x+7

= x²+7x+x+7

= x(x+7)+1(x+7)

= (x+1)(x+7)

6 0

4 years ago

Read 2 more answers

In which order should you look for assistance with college expenses?

lyudmila [28]

The correct answer should be Choice B.

Scholarships and merit aid are the best way to earn money to go to college. They don't have to be paid back. When it comes to loans, you should select federal before non-governmental because the interest rates are usually lower on federal loans.

8 0

4 years ago