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gayaneshka [121]
3 years ago
13

Please Help I don't get this

Mathematics
1 answer:
ololo11 [35]3 years ago
3 0

Answer:

The choose (D)

Step-by-step explanation:

\frac{x - 16}{ {x}^{2} + 6x - 40 }  +  \frac{1}{x + 10}  \\  =  \frac{x - 16}{(x - 4)(x + 10)}  +  \frac{1}{x + 10}  \\   = \frac{(x - 16) + (x - 4)}{(x + 10)(x - 4)}  \\  =  \frac{2x - 20}{(x + 10)(x - 4)}  \\   = \frac{2x - 20}{ {x}^{2} + 6x - 40 }

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ABCD is a square of side 3, and E and F are the mid points of sides AB and BC respectively. What is the area of the quadrilatera
Dima020 [189]
Given : - Square ABCD with side 3.  E and F as midpoints.
To find : - area of EBFD

Solution : - We have, area of square ABCD = 3 x 3 = 9 units.

Thus, (ar)EBFD = ar ABCD - ar DAE - arDCF

arDAE = 1/2 x base x height

=1/2 x 1.5 x 3 ( AE is 1/2 of AB = 1.5, DA is altitude)
= 2.25

arDFC = 1/2 x base x height 
= 1/2 x 1.5 x 3 (FC is 1/2 of BC, DC is altitude)
= 2.25

Thus, (ar) EBFD = arABCD - arDAE - arDCF

= 9 - 2.25 - 2.25

= 4.5 units.

Thus, area of quad EBFD is 4.5 units.  
7 0
3 years ago
I need help on finding m
EastWind [94]

Answer:

39°

Step-by-step explanation:

\angle RUS +\angle SUT = \angle RUT\\\\5x-4+3x+6 = 90\\\\8x+2=90\\\\8x=88\\\\x=11

and now for SUT

\angle SUT = 3(11)+6= 33+6 = 39

4 0
2 years ago
Read 2 more answers
A giraffe runs at a rate of 32 miles per hour. Which equation models the situation?
iris [78.8K]

Answer:

32h = d

Step-by-step explanation:

if you multiply the speed and the time spent running, it will give you the distance you run.

6 0
3 years ago
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Order these numbers from least to greatest. 2.23 , 2.208 , 2.3 , 2.1031
Sati [7]
2.1031,2.208,2.23,2.3
8 0
3 years ago
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Ben starts with a certain number of fruit chew packages.He puts 27 packages into each of 85 cases.He has 3 packages left.How man
Ganezh [65]
He would have started with a total of 2,278 packages of fruit chew packages.
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Hope this was helpful. ;)
7 0
3 years ago
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