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Bezzdna [24]
2 years ago
6

-2/3x = -1. What’s the answer?

Mathematics
2 answers:
Morgarella [4.7K]2 years ago
7 0
The main Answer is X=3/2
Incase you need it in decimal point it’s X=1.5 and Mixed number form it’s X=1 1/2
Gnesinka [82]2 years ago
3 0
Answer : 2/3
Explanation : Solve the rational equation by combining expressions and isolating the variable x
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In a chemistry class, 12 L of a 12% alcohol solution must be mixed with a 20% solution to get a 14% solution. How many liters of
tigry1 [53]
Let x = liters 20% solution to be added
then

.12(12) + .20x = .14(12+x)
.12(12) + .20x = .14(12+x)
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Hope this helped!!
3 0
3 years ago
Which describes these 2 figures
Sophie [7]
The answer for this is A
6 0
2 years ago
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The school librarian, Mr. Marker, knows the library has 1,400 books but wants to reorganize how the books are displayed on the s
kipiarov [429]

Answer:

200 resource books

800 fiction books

400 nonfiction books

Step-by-step explanation:

Let's define x as the amount of resource books that are in the library. As he has four times as many fiction books as resource books, that means he has 4*x fiction books.

We also know he has half as many nonfiction books as fiction books, that is 1/2*4*x = 2*x nonfiction books.

We just need to find out the value of x.

We know there are 1,400 books in total and there are just 3 types of books. Therefore, if we sum all of them, we get the 1,400.

Written in math language, that is

x + 4x + 2x = 1,400

7x = 1,400

We divide by 7 on both sides and we get

7/7x = 1,400/7

x = 200

Now we replace the x with 200 to know how many books he has of each type:

Resource books = x = 200

Fiction books = 4*x = 4*200 = 800

Nonfiction books = 2*x = 2*200 = 400

Therefore, there are 200 resource books, 800 fiction books and 400 nonfiction books in the library.

The tape diagram is attached as an image.

8 0
2 years ago
For which values is this function undefined?
Likurg_2 [28]
I think it’s c but I could be wrong
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2 years ago
Which figure has reflection symmetry?
Finger [1]

The first triangle does. That's the right answer.

7 0
3 years ago
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