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Oduvanchick [21]
3 years ago
6

Check each true statement about the number 7- 3i

Mathematics
1 answer:
Mama L [17]3 years ago
7 0

Answer:

if your talkong algibra it would be 7-3! =1

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8. A carpenter balances his daily projects between small jobs (x) and building cabinets (y). He allots 2
garik1379 [7]

Answer:

\$1125

Step-by-step explanation:

The equations of the system are

2x+4y\leq 12

y\geq 0

0

From the graph it can be seen that points (3,1.5) and (3,0) falls in the bounded region.

The income will be

125x+500y=125\times 3+500\times 1.5\\ =\$1125

125\times 3+500\times 0=\$375

So, the person can do 3 small jobs and build 1 and a half cabinets per day.

The maximum income will be \$1125.

4 0
3 years ago
Find the 7th term of the expansion of (3c + 2d)^9.
defon

Answer:

c

Step-by-step explanation:

Using Pascal's triangle, the expansion, although EXTREMELY lengthy, will help you find the 7th term.  I am going to type out the expansion only up til the 7th term (although there are actually 10 terms because we are raised to the power of 9).  If you would like to learn how to use Pascal's Triangle for binomial expansion, you will need to visit a good website that explains it because it's just too difficult to do it via this website.

The expasion is as follows (up to the 7th term):

1(3c)^{9} +9(3c)^{8}(2d)^{1} +36(3c)^{7}(2d)^{2} +84(3c)^6(2d)^3+126(3c)^5(2d)^4+126(3c)^4(2d)^5+84(3c)^3(2d)^6

That last term is the 7th term.  You find out its value by multiplying all the numbers together and adding on the c^3d^6.  Again those come from Pascal's triangle, and it's one of the coolest math things ever.  I encourage you to take the time to explore how it works.

5 0
3 years ago
How do I solve this problem
Ronch [10]

\overline{LK}\cong\overline{MK}\\LK=MK=7x-10\\KN=x+3\\MN=9x-11\\KJ=28\\\\MN=MK+KN\\\text{therefore we have the equation:}\\9x-11=(7x-10)+(x+3)\\9x-11=8x-7\ \ \ |+11\\9x=8x+4\ \ \ \ |-8x\\x=4

LJ=LK+KJ\\\\LK=7x-10\to LK=7(4)-10=28-10=18\\\\\text{therefore}\\LJ=18+28=46

Answer: LJ = 46.

4 0
3 years ago
The equation y = 2x + 1 is a function rule.<br> x y<br> 0 <br> 1<br> 2<br> 3
Nimfa-mama [501]

Answer:

when you multypluie uwqhejqw

Step-by-step explanation:

qwveqeqweqvqeqve

8 0
3 years ago
Tell whether the statement below is always, sometimes, or never true. Equation like, a + 4 = 8 and 4 - m = 2 have exactly one so
VARVARA [1.3K]
A + 4 = 8

a = 4

Can you add anything else to 4 to get 8? No.

4 - m = 2

-m = -2

m = 2

Can you subtract anything besides 2 from 4 to get 2? No.

So the statements are always true.
3 0
3 years ago
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