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son4ous [18]
3 years ago
15

At the library you find nine books on a certain topic the librarian tells you that 55% of the books on this topic have been sign

ed out how many books does the library have available on the topic
Mathematics
1 answer:
sleet_krkn [62]3 years ago
4 0
9 x 0.55 = 4.95, which can be rounded to the ones place.

5 books remain.
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In ΔDEF,{EF}\cong{DE} EF ≅ DE and m∠E = 104°. Find m∠D.
Alexeev081 [22]

The 3 inside angles need to equal 180.

Subtract E from 180 to find the sum of the other two angles:

180 - 104 = 76

Now because EF ≅ DE , angle D and F would be the same so divide 76 by 2

Angle D = 38

7 0
3 years ago
On Mars, an object weighs 38% as much as on Earth. How much would a person who weighs 165 pounds on Earth weigh on Mars?
nikdorinn [45]

Answer:

62.7

Step-by-step explanation:

165 * 0.38 = 62.7


This is assuming you mean an object weights 38% less on mars then earth, if its the other way around(they weight 38% more on mars then earth) it would be,


165 * 1.38 = 227.7

8 0
3 years ago
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What is three and seven hundredths standard form
Valentin [98]

Answer: I believe the answer is 3.07 but I may be wrong so if you want you can wait for another answer :D

Step-by-step explanation:

4 0
3 years ago
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Someone plz help me 1-1\2c=6
GarryVolchara [31]

1 - 1/2c = 6

1 -1 - 1/2c = 6 -1 (subtract 1 on both sides)

-1/2c = 5 (next do the inverse operation)

c = 5 ÷ 1/2

c = -10

to check your answer substitute the value of c in the equation;

1- 1/2c = 6

1- 1/2(-10) = 6

1 + 5 = 6

6 =6



6 0
3 years ago
MATHS MIDDLE SCHOOL ANSWER ASAP PLEASE
Sveta_85 [38]

Answer:

A. 1

B. -1

C. 5

Step-by-step explanation:

A. Using the Formula, we get u sub 2 = 9-9+1, which is just 1

B. Using the Formula, we get u sub 3 = 1-3+1, which is equal to -1

C. Using the Formula, we get u sub 4 = 1-(-3)+1, which is just 1+3+1 = 5

6 0
2 years ago
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