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Vsevolod [243]
3 years ago
13

When dividing fractions it is most helpful to change a mixed number into a

Mathematics
1 answer:
Tpy6a [65]3 years ago
6 0
When dividing fractions it is most helpful to change a mixed number into an improper fraction.
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Which expression is equivalent to 3(-5x + 2) + 20x - 7
lukranit [14]

about Answer: The correct answer would be <u><em>d) 5x - 1</em></u>

Step-by-step explanation:

Simplify or Evaluate the expression and Combine like terms

3(-5x + 2) + 20x - 7

Learn more about how to solve the problem here: brainly.com/question/17829483

7 0
2 years ago
Read 2 more answers
15. Explain why we need to specify 0 &lt; b &lt; 1 and b &gt; 1 as valid values for the base b in the expression logb(xx).
damaskus [11]

Answer:

The base (b) has to be positive and different of 1. The logarithm is the inverse of exponential, so:

logb(a) = x ⇒ a = bˣ

So, for b = 0 ⇒ 0ˣ = a

And there is impossible, "a" only could be 0.

For b = 1 ⇒ 1ˣ = a

And the same thing would happen, the logarithming would be to be 1, and the function will be extremally restricted.

For b<0, then the expression a = bˣ will be also restricted, and will not represent all values of a.

So, 0<b<1 and b >1.

3 0
3 years ago
20 ounces to 25 ounces
Mariana [72]

Step-by-step explanation:

Percentage change is 25%

3 0
2 years ago
Suppose f(x) = x2 and g(x) = 4x2. Which statement best compares the graph of g(x) with the graph of f(x)?
Fiesta28 [93]
Given:
f(x) = x²
g(x) = 4x²

Therefore
g(x) = 4f(x)
This means that the value of g(x) is 4 times the value of f(x). So the graph og (x) is the graph of f(x) vertically stretched by a factor of 4.

The graph shown below confirms the conclusion.

Answer: C.
The graph of g(x) is the graph of f(x) vertically stretched by a factor of 4.

6 0
3 years ago
If you have an 81 for your 9 weeks grade but make a 70 on your exam whats going to be your final grade?
Ivan
To do this you need the mean.
(81*9+70)/10 that is the mean equation.
Solve.
(799)/10
79.9
79.9% Will be your grade or a C
4 0
3 years ago
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