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Leno4ka [110]
3 years ago
9

How do I solve this?

Mathematics
2 answers:
blagie [28]3 years ago
8 0

Answer:

We'll solve that in parts.

The upper part is a right triangle that is 4 by (2 + 2 +6)

Area = (4 * 10) /2 = 20

The bottom of that figure is made of 3 parts.

A) a 2 by 2 right triangle. area equals  (2*2)/2 = 2

B) a 2 by 2 square whose area equals 2*2 = 4

C) a 6 by 2 right triangle whose area equals (6*2) / 2 = 6

Total Area = 20 + 2 + 4 + 6 = 32

Step-by-step explanation:

FromTheMoon [43]3 years ago
6 0

Answer:

The area of the figure is 32 units² .

Step-by-step explanation:

You can seperate the figures. In this diagram, there 3 triangles and 1 square. Then you have to calculate the area for each shape :

1st triangle (small shape),

area =  \frac{1}{2}  \times base \times height

Let base = 2 units,

Let height = 2 units,

area =  \frac{1}{2}  \times 2 \times 2

area = 2 \:  \:  {units}^{2}

2nd triangle (medium shape),

Let base = 2 units,

Let height = 6 units,

area =  \frac{1}{2}  \times 2 \times 6

area = 6 \:  \:  {units}^{2}

3rd triangle (large shape),

Let base = 10 units,

Let height = 4 units,

area =  \frac{1}{2}  \times 10 \times 4

area = 20 \:  \:  {units}^{2}

Square,

area =base \times height

Let base = 2 units,

Let height = 2 units,

area = 2 \times 2

area = 4 \:  \:  {units}^{2}

Lastly, you have to add up all the area of the shapes :

area = 2 + 6 + 20 + 4

area = 32 \:  \:  {unit}^{2}

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5 (wait i screwed up) its 23

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Is y equals 3x + 2 proportional number or non proportional​
vodomira [7]

Answer:

Non-proportional

Step-by-step explanation:

because it has a y-intercept of 2 in order for it to be proportional its y-intercept should be 0.

3 0
2 years ago
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DochEvi [55]

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49

Step-by-step explanation:

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4 0
3 years ago
Find vertex of f(x)=(x+3)(x-5)
astra-53 [7]

The x coordinate of the vertex will be the average of the two zeros, here -3 and 5, so x=(-3+5)/2 = 1, f(1)=(1+3)(1-5) = -16.

Answer: (1, -16)

Let's do it some other ways.  How about completing the square to turn f in to vertex form?

f(x) = (x+3)(x-5) = x² - 2x - 15 = (x² - 2x + 1) - 1 - 15 = (x-1)² - 16

and now we can read off (1, -16) as the vertex.

The other method is the vertex is x= - b/2a =  - (-2)/2(1) = 1.

Three methods, same answer. Good.

4 0
3 years ago
Read 2 more answers
What is the length of AC?<br><br><br> 3 ft<br><br> 4 ft<br><br> 9 ft<br><br> 18 ft
iragen [17]

Answer: The length of AC is 18 ft.

Step-by-step explanation:

By the given diagram,

AM = MB and CN = NB

M and N are the mid points of the sides AB and CB respectively,

Thus, by the mid point theorem,

MN ║ AC,

By the alternative interior angle theorem,

∠BMN ≅ ∠BAC

∠BNM ≅ ∠BCA

Thus, by AA similarity postulate,

ΔBMN ≅ ΔBAC

By the property of similar triangles,

\frac{BM}{BA}=\frac{MN}{AC}

\frac{BM}{BM+MA}=\frac{MN}{AC}

\frac{4}{4+4}=\frac{9}{AC}

\frac{4}{8}=\frac{9}{AC}

4AC=72\implies AC = 18\text{ ft}

Thus, The length of AC is 18 ft.

5 0
3 years ago
Read 2 more answers
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