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Fofino [41]
3 years ago
9

Solve the equation x. 6/∑/n-1 (x-3n)=-3

Mathematics
1 answer:
antiseptic1488 [7]3 years ago
3 0

Answer: I gave the evaluate answer and the differentiate w.r.t x answer. Sorry for caps.

Step-by-step explanation: EVALUATE  x4n−3

 DIFFERENTIATE W.R.T. X  (4n−3)x4(n−1)

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Lashonda wants to buy a new boat but needs money for the down payment. Her parents agree to lend her money at an annual rate of
amm1812

Answer: $6, 720

Step-by-step explanation:

Formular for simple interest =P×R×T

where;

P= 6000

R= 3% = 0.03

T= 4 years

$6000 × 0.03 × 4

= $720

The total amount to be paid back at the end of time will be

$6,000 + $720

=$6, 720

I hope this helps

8 0
3 years ago
Jada bought $53 worth of snacks. She used a 10% off coupon. She then paid 8% tax on the original amount. What is the total she p
Montano1993 [528]

Answer:

The amount which Jada paid after discount and tax is $ 51.64

Step-by-step explanation:

Given as :

The original price of snacks = $ 53

The price of snacks after applying 10% off coupon = 53 - 10% of 53

Or , The price of snacks after applying 10% off coupon = 53 ( \frac{100-10}{100} )

or, The price of snacks after applying 10% off coupon = 53 × 0.9 = $ 47.7

Now the tax applied on the original amount = 8 % of $ 53

or, the tax applied on the original amount = \frac{8}{100} × 53

or, , the tax applied on the original amount = \frac{424}{100} =$ 4.24

So The total paid amount = $ 47.4 + $ 4.24 = $ 51.64

Hence The amount which Jada paid after discount and tax is $ 51.64 Answer

6 0
3 years ago
Salim had 24 homework problems.
lesantik [10]

Answer:

so im guessing  the remainder of hw problems->

Step-by-step explanation:

24-7 =17 math problems left from doing some lunch

17-7= 10 math so its 10 math problems left

6 0
4 years ago
Cosec^2θ-1/cosec^2θ=cos^2θ​
denis-greek [22]

cosec(2t)=1/sin(2t) ==> 1/(2×cos(t)×sin(t))

cos(2t)= 1-2sin²t

or 2cos²t-1

or cos²t - sin²t

after we knew this informations we have to write it in the question

1/2×sint×cost-1/1/2×sint×cost=cos2t

-2×sint×cost+1/2sint×cost/1/2sint×cost=cos2t

the 2sint×cost will gone

-2×sint×cost+1=cos2t

lets take cos2t =1-2sin²t

-2×sint×cost+1=1-2sin²t

-2sint×cost=-2sin²t

cost=sint

that means the t is equal to 45 because sin45 and cos45 equal to √2/2

hopefully i didn't waste your time by reading and not understanding my English is not that good sorry

6 0
4 years ago
Read 2 more answers
Y=varies directly as x, if y=22 when x=-11, find x when y=88
11Alexandr11 [23.1K]

Answer:

x=-44

Step-by-step explanation:

y=22 x=-11

y=88 x=?

y/x=22/-11=-2

88/x=-2

-2x=88

x=-44

8 0
3 years ago
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