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Anika [276]
3 years ago
8

Find the measure of CD⎯⎯⎯⎯⎯⎯⎯⎯. A. 8 B. 6 C. 5 D. 7

Mathematics
2 answers:
NemiM [27]3 years ago
7 0
B.6 is the correct answer
oee [108]3 years ago
3 0

Answer:

Using the property of intersecting secant:-

(DE)(CE)=(FE)(LE)

(4)(x-1+14)=(5)(x-4+5)

4(x+3)=(5x+1)

4x+12=5x+5

4x+-5x=5-12

-x=-7

x=7

So, CD=x-1=7-1=6

so,~your ~answer ~is ~B) ~6

<h3><u>----------------------------</u></h3><h3><u>hope it helps...</u></h3><h3><u>have a great day!!</u></h3>
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Lulu has to buy paper towels. She can buy 3 rolls for $2.97, 12 rolls for $10.80, or 20 rolls for $18.40. Assuming all the rolls
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6 0
3 years ago
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a circle has an area of 225 square inches. if the radius of the circle is multiples by 6, then what is the new area of the circl
Lesechka [4]

Answer:

D:  8,100π in²

Step-by-step explanation:

The formula for area of a circle is

A = πr²

The radius is squared, so if the radius or a new circle is 6 times larger (multiplied by 6), the difference in area will be 36 times greater.  So the area is

225π(36) = 8,100π

3 0
3 years ago
Name three other real-world situations where a strategy, "plan of attack, or
Dmitry_Shevchenko [17]

Answer:

1.

Planning a wedding .

2.  

A huddle in and practice before a football game.

3.

The passing of a Constitutional Amendment.

8 0
3 years ago
A sector with a radius of 15 cm has a central angle measure of 8π/5 what is the area of the sector
Inessa05 [86]

Answer:

area of the sector = 360π cm²

Step-by-step explanation:

To calculate the area of the sector, we will follow the steps below;

First write down the formula for calculating the area of a sector.

If angle Ф is measured in degree, then

area of sector = Ф/360   × πr²

but if angle Ф is measured in radians, then

area of sector = 1/2 × r² × Ф

In this case the angle is measured in radiance, hence we will use the second formula

From the question given, radius = 15 cm  and angle Ф = 8π/5

area of sector = 1/2 × r² × Ф  

                         =1/2 × 15² ×  8π/5

                         =1/2 ×225 × 8π/5

                          =360π cm²

area of the sector = 360π cm²

8 0
3 years ago
Find the sum: (3x^2+2x+3)+(x^2+x+1)
elena-s [515]

Answer:

 4x2 + 3x + 4

Step-by-step explanation:

Step-1 : Multiply the coefficient of the first term by the constant   4 • 4 = 16

Step-2 : Find two factors of  16  whose sum equals the coefficient of the middle term, which is   3 .

-16+-1=-17

-8+-2=-10

-4+-4=-8

-2+-8=-10

-1+-16=-17

1+16=17

2+8=10

4+4=8

8+2=10

16+1=17

Final result :

4x2 + 3x + 4

3 0
3 years ago
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