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Svetllana [295]
3 years ago
10

Hello, could anyone help me on part A and part B

Mathematics
1 answer:
solniwko [45]3 years ago
7 0

Answer:

9 answer ok like floow on

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How do you solve 2/3x -10=-12
marta [7]

Answer:

x=-3

Step-by-step explanation:

Question: \frac{2}{3x} -10=-12

1) Add 10 to both sides:

\frac{2}{3x} =-2

2) Multiply both sides by the reciprocal of 2/3: (3/2)

x=-2*\frac{3}{2}

x=\frac{-6}{2}

3) Simplify the fraction:

x=-3

5 0
4 years ago
Which fraction expresses -30/54 in lowest terms?
Pavlova-9 [17]
-30/54 in simplest form:

First, we can start out by finding the greatest common factor (GCF) of the numerator (30) and the denominator (54). To do so, we will list the factors of each number, find the common ones and then the greatest.

Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30
Factors of 54: 1, 2, 3, 6, 9, 18, 27, 54

Look through both sets of factors. Which are the common factors? 1, 2, 3, and 6 are the common factors of 30 and 54. Now, we have the find the greatest common factor. Basically, which number has greater value out of 1, 2, 3, and 6? The GCF is 6.

Second, our last step is to divide the numerator (30) and denominator (54) by our recently found GCF which was 6. This will create a new fraction which is in simplest form.

30 \div 6 = 5 \\ 54 \div 6 = 9

Let's collect our new numerator and denominator and rewrite our brand new fraction in its simplest form. 
-\frac{5}{9}

Answer in fraction form:\fbox {-5/9}
Answer in decimal form: \fbox {-0.5556}
7 0
4 years ago
THE ART TEACHER HAS A BOX OF 473 markers.she wants to distribute them evenly among 11 tables.how many markers will she put on ea
kicyunya [14]
What you would do is just divide 473 by 11
and you shoukd get the art teacher will put 43 markers on each table
3 0
4 years ago
A fair die is rolled 5 times. What is the probability of rolling a three at least once
Nata [24]

Answer:

0.83333333

Step-by-step explanation:

since usually if a dice is rolled 6 times. the probability of rolling a three would be 1/6th as there are even sides on a dice and even probabilities. You would divide 5 by 6 instead of 6 by 6 meaning that the probability is 0.83333 recurring

3 0
3 years ago
Read 2 more answers
An equation is shown 5 x + 3x equals 5x + 15 / 2 what value of 3 x makes this equation true
Ipatiy [6.2K]
3x would have to be 15/2.

Since we have that 5x+3x=5x+15/2, the only pieces that are different are the 3x and the 15/2.  This gives us the equation

3x=15/2

If we were to go on and solve this equation, we would multiply by 2, giving us
6x=15

Then we would divide by 6:
6x/6=15/6 
and x=2.5.
3 0
4 years ago
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