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sergij07 [2.7K]
3 years ago
13

Sorry here's another problem I need help with​

Mathematics
1 answer:
tiny-mole [99]3 years ago
5 0

Answer:

32

Step-by-step explanation:

You need to work backwards to solve this equation!

9 - 17 = -8

w / -4 = -8

32 / -4 = -8

Which means that  w = 32

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Increase £120 by 40%
leonid [27]

Answer:

£168

Step-by-step explanation:

To increase £120 by 40%, multiply 120 by 1.4

120(1.4)

= 168

So,  £120 increased by 40% is £168

4 0
3 years ago
(a) Find the slope of the curve y= x^2 - 2x - 3 at the point ​P(2​,​ -3) by finding the limit of the secant slopes through point
gayaneshka [121]

Answer:

Step-by-step explanation:

P=(2,-3)

Q=(a,a²-2a-3)

\Delta y=a^2-2a-3-(-3)=a^2-2a\\\Delta x=a-2\\\\\displaystyle \lim_{a \to 2} \dfrac{a^2-2a-3-(-3)}{a-2}  \\\\=\lim_{a \to 2} \dfrac{a^2-2a}{a-2}  \\\\=\lim_{a \to 2} \dfrac{a(a-2)}{a-2}  \\\\=\lim_{a \to 2} \dfrac{a}{1}  \\\\=\lim_{a \to 2} a  \\\\=2\\

Proof:

y'=(x²-2x-3)'=2x-2

y'(2)=2*2-2=2

7 0
3 years ago
What two rows could you follow to write the ratio 16:28?
Liula [17]

Answer:

vsnfbsb flkbfnnpfmndbknkldnbklng

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A jar contains nickels and dimes. There are 16 coins in the jar and the total value of the coins is $1.00. Which system of equat
Anna11 [10]

Answer:

12 nickels and 4 dimes

Step-by-step explanation:

5 x 12 = 60 cents  

10 x 4 = 40 cents

             _______

             100 = 1 dollar

4 0
3 years ago
What is the remainder R
Dmitry [639]

Answer:


Step-by-step explanation: The remainder is 200



7 0
3 years ago
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