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Maslowich
4 years ago
14

Solve -10v+2/5z+6=-2 for z.

Mathematics
1 answer:
Kryger [21]4 years ago
7 0

\dfrac{-10v+2}{5z+6}=-2\ \ \ \ |\cdot(5z+6)\neq0\\\\-10v+2=-2(5z+6)\\\\-10v+2=-10z-12\ \ \ \ |+12\\\\-10v+14=-10z\ \ \ \ |:(-10)\\\\z=v-1.4

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Which expression in equivalent to 12(2n+6) ?
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Answer:

the correct answer is 12+2n+6

Step-by-step explanation:

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4 0
3 years ago
Henry has $21.50 to ride the trolley around San Francisco this week. It will cost him $0.50 every time he rides. Identify the de
myrzilka [38]

Answer:

Dependent: Cost of the ride.

Independent : Number of rides.

Step-by-step explanation:

The independent variable is the variable what we change and the dependent variable is the variables which changes because of that changes.

Here the total cost of ride changes for any change in the number of rides.

Hence, the number of rides is the independent variable and the total cost of ride is the dependent variable

5 0
4 years ago
Read 2 more answers
Ibrahim wants to give each of his six friends 1 2/3 candy bars. How many candy bars does he need to buy?
denis-greek [22]

Answer:

10 candy bars

Step-by-step explanation:

Since each of his friends needs a candy bar, you need to multiply 6 and 1 ⅔ together.

First, convert 1 ⅔ into an improper fraction: this gives us ⁵⁄₃.

Next, multiply ⁶⁄₁ and ⁵⁄₃ together. To do this, you can visualize 6 as ⁶⁄₁ (which is the same thing). Now you have ⁶⁄₁ x ⁵⁄₃.

<u>Simplify:</u>

The 6 in the numerator and the 3 in the denominator cancel out. This gives us ²⁄₁ x ⁵⁄₁ , which is 2 x 5.

2 x 5 = 10

4 0
3 years ago
Simplify this expression using the distributive property
jok3333 [9.3K]

Answer:

When you use the distributive property, you multiply the two numbers together, just like simplifying any product. You will also see another example where the expression in parentheses is subtraction, rather than addition. You will need to be careful to change the sign of your product.

Step-by-step explanation:

8 0
3 years ago
How can you find the answer of 15 only using the numbee 4
Kryger [21]
(4 x 4) - (4/4)
= 16 - 1
= 15
8 0
3 years ago
Read 2 more answers
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