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Vedmedyk [2.9K]
3 years ago
15

Determine the value of x in the figure

Mathematics
1 answer:
goblinko [34]3 years ago
4 0
I think it’s B x = 137
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Match the graph
AVprozaik [17]
It is c because i believe so
8 0
1 year ago
Read 2 more answers
Find the quadratic function that has a vertex at (3,4) and goes through the point (0,13).​
vladimir2022 [97]

Answer:

f

(

x

)

=

−

1

2

x

2

+

3

x

−

1

2

Explanation:

A quadratic function can be written in vertex form as:

f

(

x

)

=

a

(

x

−

h

)

2

+

k

where

(

h

,

k

)

is the vertex and

a

is a constant multiplier.

In our example the vertex

(

h

,

k

)

is

(

3

,

4

)

, so we can write:

f

(

x

)

=

a

(

x

−

3

)

2

+

4

Given that this passes through the point

(

1

,

2

)

, we must have:

2

=

a

(

1

−

3

)

2

+

4

=

4

a

+

4

Subtract

4

from both ends to get:

−

2

=

4

a

Divide both sides by

4

and transpose to find:

a

=

−

1

2

So our quadratic function can be written in vertex form as:

f

(

x

)

=

−

1

2

(

x

−

3

)

2

+

4

We can multiply this out and simplify as follows:

f

(

x

)

=

−

1

2

(

x

−

3

)

2

+

4

f

(

x

)

=

−

1

2

(

x

2

−

6

x

+

9

)

+

4

f

(

x

)

=

−

1

2

x

2

+

3

x

−

9

2

+

4

f

(

x

)

=

−

1

2

x

2

+

3

x

−

1

2

Step-by-step explanation:

PLZ MARK ME BRAINLYIST

4 0
3 years ago
Need answer ASAP pls
jarptica [38.1K]

Answer:

Distance(PQ)=\sqrt{113}

Step-by-step explanation:

In coordinate geometry distance between the two points can be find by using the distance formula:

For two points :

            (x_1,y_1)\\and \\(x_2,y_2)

Distance=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

For points: P(3,-1) and Q(-5,6)

Distance (PQ):

                    =\sqrt{(-5-3)^2+(6-(-1))^2} \\\\=\sqrt{(-8)^2+(6+1)^2}\\\\ =\sqrt{(-8)^2+(7)^2} \\\\=\sqrt{64+49}\\\\Distance(PQ) =\sqrt{113}\\\\

5 0
3 years ago
If 4cm on the map represents 3km in reality, what is the real distance between the village and the sea, 32cm away on the map?
Lady bird [3.3K]
32 cm / 4 cm = 8

3 km x 8 = 24 km

it would be 24 km
5 0
3 years ago
What are the next three terms in sequence -6,5,16,27,
igomit [66]
-6 + 11 = 5
5 + 11 = 16
16 + 11 = 27

Similarly,
27 + 11 = 38
38 + 11 = 49
49 + 11 = 60

So the next 3 terms are 38,49,60

Hope This Helps You!
4 0
2 years ago
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