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Lunna [17]
2 years ago
9

True or False: (EXPLAIN your answer) If angle CEF is complementary to angle DCF,

Mathematics
1 answer:
frosja888 [35]2 years ago
6 0

Answer:

True

Step-by-step explanation:

Givens:

From if part: m<CEF+m<DCF=90

From picture: m<CEF+m<FEG=90

Subtracting the equations we get:

m<DCF-m<FEG=0

Adding m<FEG on both sides:

m<DCF=m<FEG

So true.

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I don’t get the second question.
tatyana61 [14]

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8 0
3 years ago
- 5x - 5 = 3x + 19 what would X be?
Tanzania [10]

-5x - 5 = 3x + 19

---Move the x's to one side

-5x - 3x - 5 = 3x - 3x + 19

-8x - 5 = 19

---Isolate the -8x by removing the -5 from the left side

-8x - 5 + 5 = 19 + 5

-8x = 24

---Divide both sides by -8 to get x by itself

x = -3

Hope this helps!

5 0
1 year ago
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eimsori [14]
C. 20x = 200 because an equation always has an equal sign and other three are expressions because it doesn't have any signs, hoped this helped:)
6 0
3 years ago
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enot [183]
Your answer is going to be c
3 0
3 years ago
a store makes a profit of $1000 in January. in February the sales are up 25%, but in March the profit is down 25%. The manager s
agasfer [191]

Answer:

The profit is 937.50$ The manager subtracted 25% from januarary's profit not march's.

Step-by-step explanation:

1000 times 25% is 1250 - 25% = 937.50

6 0
3 years ago
Read 2 more answers
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