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motikmotik
3 years ago
14

What method do you prefer to use when adding or subtracting fractions and mixed numbers? For example, do you find common denomin

ators first, convert fractions into decimals and then back into fractions, or simplify fractions first and then add or subtract them? Explain why you prefer to use this method. Give at least one example of using this method. As you learn new strategies throughout the unit, you may change which method you prefer to use. If that happens, explain why you changed your preferred method
Mathematics
1 answer:
Monica [59]3 years ago
5 0

Answer:

Step 1: Keep the denominator the same.

Step 2: Add or subtract the numerators.

Step 3: If the answer is an improper form, reduce the fraction into a mixed number.

Step-by-step explanation:

\frac{5}{4} +\frac{6}{4} =\frac{5+6}{4} =\frac{11}{4}

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An automobile insurance company divides customers into three categories: good risks, medium risks, and poor risks. Assume that o
Leokris [45]

Answer:

0.60

Step-by-step explanation:

Probability that the customer is not a poor risk = 1 - probability that the customer is a poor risk

Firstly, let’s calculate the probability of being a poor risk.

From the given data the number of poor risks = 14229-7362-1190 = 5677

So the probability of being a poor risk = 5677/14229 = 0.399

Thus, the probability that the customer is not a poor risk = 1-0.399 = 0.601 which to 2 decimal places = 0.60

6 0
3 years ago
Where do you find a vertical shift in the exponential parent function?
Montano1993 [528]

For the given expressions we will have:

y = exp(x - 4)   →we have a shift of 4 units to the right.

y = exp (x +9)  → we have a shift of 9 units to the left.

y = exp(x) + 7 → we have a shift of 7 units up.

y = exp(x) - 6  → we have a shift of 6 units down.

<h3>How to work with vertical and horizontal shifts?</h3>

Remember that the shifts work as follows.

For a function f(x), we define a vertical shift of N units as:

g(x) = f(x) + N

  • If N > 0, the shift is upwards.
  • If N < 0, the shift is downwards.

For a function f(x), we define a horizontal shift of N units as:

g(x) = f(x + N)

  • If N > 0, the shift is to the left.
  • If N < 0, the shift is to the right.

Then, if we have:

exp(x - 4) we have a shift of 4 units to the right.

exp (x +9) we have a shift of 9 units to the left.

exp(x) + 7 we have a shift of 7 units up.

exp(x) - 6  we have a shift of 6 units down.

Learn more about translations

brainly.com/question/24850937

#SPJ1

4 0
1 year ago
Which statement correctly describes the expression (-70)(-6)?
EastWind [94]

Answer: the answer is letter A

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
If b=4 units and h=5 units, the area of the triangle is _____<br> units2.
mestny [16]

Answer:

Step-by-step explanation:

Area = 1/2 b h

= 1/2 * 4 * 5

= 10 unit^2.

5 0
2 years ago
Identify the horizontal asymptote of f(x)=x^2+6x-9 over x-2
lora16 [44]
\bf \cfrac{x^2+6x-9}{x-2}\qquad &#10;\begin{cases}&#10;x^2\impliedby \textit{has a degree of 2}\\&#10;x^1\impliedby \textit{has a degree of 1}&#10;\end{cases}

if the degree of the expression of the numerator is greater than that of the denominator, the rational expression has no horizontal asymptote.
7 0
3 years ago
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