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skelet666 [1.2K]
4 years ago
15

F(x)=x^2+2x-24? How to solve

Mathematics
1 answer:
sineoko [7]4 years ago
5 0

Step-by-step explanation:

F ( x ) = x² + 2x - 24

{ factorising by middle term splitting method }

[ 24 = 2 × 2 × 2 × 3 ]

F ( x ) = x² + 6x - 4x - 24

F ( x ) = x ( x + 6 ) -4 ( x + 6 )

F ( x ) = ( x + 6 ) ( x - 4 )

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Rewrite the logarithm as an exponential equation: <br> In(X)= 7
Leto [7]

Answer:

e^7=x

Step-by-step explanation:

Given the logarithm function

In\left(x\right)=\:7

For logarithmic equations, \log _b\left(x\right)=y is equivalent to b^y=x  such that

x>0\:,\:b>0  and   b\ne 1

In current case:

b=e\:

\:x=x

\:y=7

Substituting the values of   b\:,\:x\:  and  y   into the equation   b^y=x

e^7=x

4 0
4 years ago
In a grid of a backyard, the vertices of the floor of a shed are (20, 80), (50, 60), (50, 20), and (20, 20). The coordinates are
sdas [7]

Answer:

The area of the floor of the shed is <u>1500 square feet.</u>

Step-by-step explanation:

Given:

The vertices of the floor of a shed are: (20,80), (50,60), (50,20) and (20,20)

Let us plot the given vertices on a graph.

From the graph, it is clear that the given figure is a trapezium with opposite parallel sides being parallel to the y axis. The height of the trapezium is the side that is parallel to x axis.

The area of the trapezium ABCD is given as:

A=\frac{1}{2}(AB+CD)\times AD

From the graph, AB = 60 ft, CD = 40 ft, AD = 30 ft

Therefore, the area is given as:

A=\frac{1}{2}(60+40)\times 30\\A=\frac{1}{2}\times 100\times 30=1500\ ft^2

Therefore, the area of the floor of the shed is 1500 square feet.

4 0
4 years ago
How many ounces in a gallon?
mr Goodwill [35]
There are 128 ounces in a gallon.
4 0
4 years ago
Read 2 more answers
Vivian is going to do some yard work, but she needs to leave her house at
mestny [16]

vivian will be ready at 11:10

7 0
3 years ago
Which set of ordered pairs represent a function? O A {(1,0), (2,1), (2,3)} O B{(1,3), (1,4), (1,5)} O C{(1,5), (2,5), (3,5)} O D
mestny [16]

Answer:

C

Step-by-step explanation:

C is the only answer that doesnt share x-values

7 0
3 years ago
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