3 years ago

Sorry here's another problem I need help with

Mathematics

1 answer:

tiny-mole [99]3 years ago

5 0

Answer:

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:

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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

Sorry here's another problem I need help with​

Sorry here's another problem I need help with