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slega [8]
3 years ago
14

in a survey of 400 people,80% said that friday was there favorite day of the week .How many people selected friday

Mathematics
2 answers:
slavikrds [6]3 years ago
5 0

Answer:

(400/100)*80 = 320

Step-by-step explanation:

400 = 100%, just divide by 100 and multiply by 80

scZoUnD [109]3 years ago
5 0

Answer:

80%of 400

400-80

400-80 =320

=320 people choose Friday

checking

320

80+20= 100

320+ 80=400

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In the figure shown e is the midpoint of segment bd and ae = ec . choose the correct statement(s)
forsale [732]

Answer:

Triangle ABE and triangle CDE are congruent by using SAS theorem.

Step-by-step explanation:

It is given that e is the midpoint of BD and AE=EC.

BE\cong DE             (E is midpoint of BD)

Angle AEB and angle CED are vertical opposite angle and the vertical opposite angles are always same.

\angle AEB\cong \angle CED

AE=EC                 (Given)

So by using SAS theorem of congruent triangles.

\triangle ABE\cong \triangle CED

Therefore triangle ABE and triangle CDE are congruent by using SAS theorem.

5 0
3 years ago
What is the measure of arc AC? <br> A) 33<br> B) 38<br> C) 28<br> D) 45
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Answer:

B

Step-by-step explanation:

7x-4 is two times 2.5x+4

4 0
3 years ago
How are the solutions to the inequality -2x ≥ 10 different from the solutions to -2x &gt; 10?
CaHeK987 [17]

Answer:

First lets find the solutions to each inequality.

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x\leq-5 and x<-5

x\leq-5 tell us that x could be -5 or less.

x<-5 tells us that x could be -6 or less.

The first one is less than or equal to which tells you that there is a possibility that the number is shows is could be an answer

Hope this helps ;)

4 0
3 years ago
If A ⊂ B, then A ∩ B = ∅.
S_A_V [24]

Answer:i don't know the answer

Step-by-step explanation:

3 0
3 years ago
Select an operation to make the equation true.
MrRa [10]
Add. I’m not sure because there is a - besides the 15.

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Hopefully this helps. Have a blessed one. God loves you. ☺️
3 0
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