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torisob [31]
3 years ago
12

Can you please solve this practice problem for me I really need assistance ​

Mathematics
1 answer:
Tom [10]3 years ago
3 0

Answer:

E

Step-by-step explanation:

When you substitute (5,-19) for A you get -19=-21 which is incorrect, when you substitute it for B you get, -19=-13 which is also incorrect, for C you get -19=-14, D you get -19=-22, and finally for E you get the correct answer which is -19=-19. Hope this helps :)

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Please help me as fast as you can. thanks
Angelina_Jolie [31]

Answer:

<h2><DEF = 40</h2><h2><EBF = <EDF = 56</h2><h2><DCF = <DEF =40</h2><h2><CAB = 84</h2>

Step-by-step explanation:

In triangle DEF, we have:

<u>Given</u>:

<EDF=56

<EFD=84

So, <DEF =180 - 56 - 84 =40 (sum of triangle angles is 180)

____________

DE is a midsegment of triangle ACB

( since CD=DA(given)=>D is midpoint of [CD]

and BE = EA => E midpoint of [BA] )

According to midsegment Theorem,

(DE) // (CB) "//"means parallel

and DE = CB/2 = FB =CF

___________

DEBF is a parm /parallelogram.

<u>Proof</u>: (DE) // (FB) ( (DE) // (CB))

AND DE = FB

Then, <EBF = <EDF = 56

___________

DEFC is parm.

<u>Proof</u>: (DE) // (CF) ((DE) // (CB))

And DE = CF

Therefore, <DCF = <DEF =40

___________

In triangle ACB, we have:

<CAB =180 - <ACB - <ABC =180 - 40 - 56 =84(sum of triangle angles is 180)

HOPE \:  THIS \:  HELPS.. GOOD  \: LUCK!

7 0
3 years ago
8 less than the product of eleven and a number c
4vir4ik [10]
11c-8 11c is the product of both 11 and c, and the 8 less than the product is shown with -8
4 0
3 years ago
Read 2 more answers
HELP PLEASE AND THANK YOU
larisa [96]

Answer:

f(-2) = 90

Step-by-step explanation:

Plugging in the value of f(x) into the equation:

f(-2) = 5(-2)3^(-2)

f(-2) = 5(-2)(-9)  - evaluate the power first

f(-2) = 90          - multiply from left to right to obtain answer

5 0
2 years ago
Mike pays $26 for 10 baseball tickets. if he wants to buy 30 baseball tickets, how much will he pay?
Shalnov [3]
26/10 = 2.60 .... 2.60 x 30 = 78. So 78 is the answer
3 0
2 years ago
Mr. Garvey is almost finished working on his rectangular patio. He has ordered enough patio stones to cover an area of 600ft2. H
vagabundo [1.1K]

Answer:

20 ft

Step-by-step explanation:

Area of a rectangle = length x width

600 ft^2 = 30 ft x length

length = 600 / 30

= 20 ft

4 0
3 years ago
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