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Delicious77 [7]
2 years ago
10

What is the length of segment SR? ___units

Mathematics
1 answer:
atroni [7]2 years ago
4 0

Answer:

SR=12\ units

Step-by-step explanation:

we know that

Triangles RTS and QTS are congruent  by SAS postulate

so

SR=SQ

substitute the given values

2x+8=8x-4

Solve for x

8x-2x=8+4

6x=12

x=2

<em>Find out the length of segment SR</em>

SR=2x+8

substitute the value of x

SR=2(2)+8=12\ units

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Step-by-step explanation:

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Read 2 more answers
There are 850 Douglas fir and Ponderosa pine trees in a section of forest bought by Karamazov Logging Co. The company paid an av
ki77a [65]

Answer:

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Step-by-step explanation:

 Let f = the number of fir trees

and p = the number of pine trees.

Then, we have two conditions:

(1)                                f + p = 850

(2)                  300f + 225p = 217 500

(3)                                    p = 850 -f         Subtracted f from each side of (1)

(4)       300f + 225(850 - f) = 217 500     Substituted (3) into (3)

      300f + 191 250 - 225f = 217 500     Distributed 225

                    75f + 191 250 = 217 500     Distributed the 7

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(5)                                     f = 350

                             350 + p = 850           Substituted (5) into (1)

                                        p = 500          Subtracted 350 from each side

The company bought 350 fir trees and 500 pine trees.

Check:

(1) 350 + 500 = 850     (2) 300 × 350 + 225 × 500 = 217 500  

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OK.

8 0
3 years ago
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