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Zolol [24]
3 years ago
5

5. Circle A has a radius of 9 units . Point R lies 5 units away from A. A chord drawn through R is partitioned by the diameter o

f A passing through R into two segments, one of which has a length of 7 units. Is the length of the other segment longer or shorter than 7 units ? Justify your answer.

Mathematics
1 answer:
Novay_Z [31]3 years ago
6 0

Answer:

The length of the other segment is longer than 7 units

Step-by-step explanation:

we know that

The<em> i</em><u><em>ntersecting chords theorem</em></u> states that the products of the lengths of the line segments on each chord are equal

see the attached figure to better understand the problem

Remember that the diameter of the circle is two times the radius

D=2(9)=18\ units

Let

x ----> the length of the other segment

so

(9+5)(4)=(7)(x)

56=7x\\x=8\ units

therefore

The length of the other segment is longer than 7 units

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In what time the compound amount of Rs 60000 at 10% rate is rs 79860?​
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Answer:

P= Rs 60000

A= Rs 79860

T=1 & 1/2 year = 3/2 years

    = 3/2 x 2 = 3 half years

R= ?  

Applying the formula A= P (1+r/100)^T

           79860  = 60000 (1+ r/100)^3

                  79860/60000 = (1+r/100)^3

                  1331/1000 = (1+r/100)^3

root(3)(1331/1000) = (1+r/100)

                     11/10 = 1+r/100

                     11/10 -1 = r/100

                      1/10 = r/100

                       r= 10 %

Step-by-step explanation:

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3 years ago
What happens to the graph of y = |x| when the equation changes to y |x-9|?
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2 years ago
A salesperson at a jewelry store earns 7% commission each week. Lat week, Heidi sold 450$ worth of jewelry. How much did she mak
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Step-by-step explanation:

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2 years ago
Use the distributive property to simplify: -7 (3m - 4)
german

Answer: -21m+28

Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
Help with this question !
Genrish500 [490]
Statements                                           Reasons
1. Write all the given as you did            1. Given
2. <DBA and <DBC are right angles     2. Def of perpendicular lines
3. m<DBA = 90                                     3. Def of right angle
    m<DBC = 90
4. m<DBA = m<DBC                             4. Substitution
5. m<DBA = m<1 + m<3                       5. Angle addition postulate
    m<DBC = m<2 + m<4
6. m<1 + m<3 = m<2 + m<4                  6. Substitution
7. m<3 = m<4                                        7. Subtraction prop of equality
5 0
3 years ago
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