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Reika [66]
2 years ago
10

there are 5 times as many fiction books in the class library as there are nonfiction books. the number of information books is 7

more than the sum of the number of fiction and nonfiction books. there are 19 information books in the library. how many nonfiction books are there? how may fiction books are there?
Mathematics
1 answer:
algol [13]2 years ago
7 0

Answer:

um

Step-by-step explanation:

You might be interested in
the length of a diagonal of a square field is 220 metres find the length of a side in metres and the area of the field in hectar
andre [41]

Answer:

Step-by-step explanation:

h^2=x^2+y^2, since this is a square x=y=s so

220^2=2s^2

2s^2=48400

s^2=24200

s=24200^(1/2)m (exact)

s=155.56m (rounded to nearest hundredth of a meter)

One hectare is equal to 10000m^2

A=24200m^2(h/10000m^2)

A=2.42 hectares

7 0
2 years ago
Which expressions are equivalent to 12x - 6? ​
iren2701 [21]
<h3>Answer</h3>

B and E

<h3>Explanation</h3>

A) It's wrong because

- 6 \times (2x - 1) =  - 12x + 6

B) It's right because

6 \times (2x - 1) = 12x - 6

C) It's wrong because

6x \times (2 - 1) = 6x \times 1 = 6x

D) It's wrong because

- 6x \times (2x - 1) =  - 12 {x}^{2} + 6

E) It's right because

- 6 \times ( - 2x + 1) = 12x - 6

F) It's wrong because

6 \times ( - 2x + 1) =  - 12x + 6

8 0
3 years ago
Write down the inequality described by "half of x is no more than six", and solve it<br>​
Montano1993 [528]
X/.5 > 6
(the > has a line under it but idk how to type that lol)
5 0
3 years ago
KNOWLEDGE CHECK: ALEKS
Dmitrij [34]

a and b: decreasing

b and c: constant

c and d: decreasing

d and e: increasing

5 0
3 years ago
Their sum is 6 and their difference is 36<br> Help plz
Ivan

Answer:

Step-by-step explanation:

if you can use negative numbers then   you could use 21 and -15

so

adding them together is  21 + (-15) = 6

and then subtracting  21 - (-15) =

                                     21 + 15 = 36

do you think that would work ?  :/

3 0
3 years ago
Read 2 more answers
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