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Alex Ar [27]
3 years ago
13

If CB is a perpendicular bisector, find the length of AB. Look at image ! please help me out !!

Mathematics
1 answer:
Anarel [89]3 years ago
3 0

Answer:

52 units

Step-by-step explanation:

We know that,

<em>A perpendicular bisector cuts a line segment into two equal parts at 90°.</em>

As, CB is a perpendicular bisector of AD. So, it cuts AD into 2 equal parts.

We have,

AB = DB

i.e. 7x + 10 = 9x - 2

i.e. 7x - 9x = -2 - 10

i.e. -2x = -12

i.e. x = 6.

Thus, AB = 7x + 10 = 7×6 + 10 = 42  + 10 = 52.

Hence, the length of AB is 52 units.

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Answer:

Is there a link?  

Step-by-step explanation:

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3 years ago
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a figure is translated by (x-5,y+7), then by (x+5,y-7). Without graphing, what is the final position of the figure?
Oduvanchick [21]

Without graphing, the final position of the figure that is translated by (x - 5, y + 7), and then by (x + 5, y - 7) ends up in the same position it was, before the translations.

 

Let’s check this example:

Think of point (1, 1). The point is translated to (-4, 8); and then it is moved back to point (1, 1). The x spot’s -5 and +5 cancel each other out and the same can be said for the y’s.

 

To add, a geometric transformation<span> that changes every point of a space by the same amount in a given direction or a figure is called a translation.</span>

8 0
3 years ago
You are given the exponential function g(x)=3^x. Which ootion below gives the formula for the new function h created by stretchi
Citrus2011 [14]

Answer:

h(x) = 3^(x + 1)

Step-by-step explanation:

The exponential function is;

g(x) = 3^(x)

Now, in transformation of exponential functions of say f(x) = b^(x), when the new function g(x) is created by stretching by a factor of say c along the y-axis, we have;

g(x) = c•b^(x)

In this question, we are told it is stretched by a factor of 3 along the y-axis.

Thus, new function h is;

h(x) = 3 × 3^(x)

Using law of indices, we have;

h(x) = 3^(x + 1)

7 0
3 years ago
Mr Edwards bought a 50 pound bag of flour for his bakery it was equally divided among six daysHow much flour was used per day
Sunny_sXe [5.5K]

Answer:

8.3 lbs

Step-by-step explanation:

5 0
3 years ago
Type the correct answer in the box.
alexdok [17]

Answer:

250\ cm^3

Step-by-step explanation:

step 1

Find the volume of the prism

The volume of the prism is equal to

V=LWH

we have

L=5\ cm\\W=5\ cm\\H=12\ cm

substitute

V=(5)(5)(12)=300\ cm^3

step 2

Find the volume of the pyramid

The volume of the pyramid is

V=\frac{1}{3}Bh

where

B is the area of the base

B=5^2=25\ cm^2

h=12/2=6\cm ---> half the height of the prism

substitute

V=\frac{1}{3}(25)(6)=50\ cm^3

step 3

we know that

The volume of the space outside the pyramid but inside the prism is equal to subtract the volume of the pyramid from the volume of the cylinder

300\ cm^3-50\ cm^3=250\ cm^3

7 0
4 years ago
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