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Tpy6a [65]
3 years ago
12

The function f(x)=(2x-3)(x+k).Given that f(0)=15. Calculate

Mathematics
1 answer:
Valentin [98]3 years ago
4 0

Answer:

(a-b)

Step-by-step explanation:

a minus b whole square minus C square

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What is the value of x? 10√3 ​ 10 ​ 5√3 ​ ​​5
likoan [24]
You have a 30-60-90 triangle
In this triangle the hypotenuse is 2x and the smaller leg is x√3
in our case, x=5 and your side is 5√3

3 0
3 years ago
The energy magnitude M of an earthquake can be modeled by the equation
const2013 [10]

Answer: magnitude of an earthquake with an energy release of 7.079 X 10^26 =8

Step-by-step explanation:

Given that the magnitude M of an earthquake can be expressed by the equation

M=(2/3)log E - 9.9

Given that Energy release , E=7.079 X 10^26

Magnotude , M=(2/3)log E - 9.9

=2/3 log7.079 X 10^26 -9.9

2/3 x 2.8499719  -9.9

17.8999813 -9.9

=7.9999

rounded to 8 magnitude

6 0
3 years ago
4 1/2 ÷ 1 1/4 = a b/c
Alex17521 [72]

Here is the equation:

4 \frac{1}{2} \div 1 \frac{1}{4} = a \frac{b}{c}

When you're going to be dividing fractions, you have to keep, change, and flip. Also, make sure you make the fractions improper when it's a mixed number.

4 \frac{1}{2} = \frac{9}{2}

1 \frac{1}{4} = \frac{5}{4}

Now keep, change, flip

Keep\ \frac{9}{2} \\ Change \div to\ \times \\ Flip\ \frac{5}{4} = \frac{4}{5}

Your new equation is:

\frac{9}{2} \times \frac{4}{5}

Multiply:

\frac{9}{2} \times \frac{4}{5} = \frac{36}{10} = 3 \frac{6}{10}  \rightarrow 3 \frac{3}{5}

Your answer is:

3 \frac{3}{5} \\ a = 3 \\ b = 3 \\ c = 5

3 0
3 years ago
Which number is rational?
salantis [7]

The last one is rational because it is a terminating decimal.

8 0
4 years ago
Use the unit rate to find the number of hours it takes to fill the pool with 3,185 gallons of water
Sholpan [36]

Answer:

4.9 hours

Step-by-step explanation:

3185/650 = 4.9

3 0
3 years ago
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