Find the difference. (3 • 1,000) - (2• 100)

1 answer:

6 0

First you multiply 3 x 1000 which is 3,000. Then you too 2 x 100 which is 200. Lastly you subtract 3000 from 200 and you get 2800.

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What is the coeffieent of (x^4)(y^4) in the expansion of (x+y)^8

kap26 [50]

ANSWER

The coefficient is 70.

EXPLANATION

The given binomial expression is

$(x+y)^8$

The specific term of a binomial expansion can be determined using the formula,

$T_{r+1}= nC_ra^{n-r}b^r$
where

$n=8,r=4,a=x,b=y$

We substitute these values into the formula to get,

$T_{4+1}= 8C_4x^{8-4}y^4$

We simplify to get,

$T_{5}= 70x^{4}y^4$

Hence the coefficient is 70.

4 0

3 years ago

A machine that cost £35,000 is operated 8 hours a day in a 5-day week but one hour each day is used for test purposes. For use o

MArishka [77]

1 hour each day is used for test
so 8-1=7 used per day

so commercial is 1 in the 4:2:1 so
4+2+1=7
ok, so 7 units, 7 hours
4 hour for private
2 hour for research
1 hour of commerical

4*5=20=private
2*15=30=research
1*4=40=commercial

20+30+40=90

percent from commercial
40/90=0.44444444444≈44.44% about 44%

6 0

3 years ago

Read 2 more answers

The LCD is a + 1 (a + 1)³ (a + 1)6

Naily [24]

Answer:

Step-by-step explanation:

8 0

3 years ago

Match the equation with its corresponding solution for x: 4x+7=35

Goryan [66]

4x+7=35
4x=28
x=7

A corresponding solution of the matching equation is a fancier way of telling you to find the number that represents x

7 0

3 years ago

What is slope of the line that passes through the point (0,7)and(8,7)

lana66690 [7]

Answer:

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(7-7)/(8-0)

m=0/8=0

5 0

3 years ago