Answer:
b+7
Step-by-step explanation:
To simplify an equation, you combine like terms and remove redundancies. Like terms are 4b and 3b, another pair of like terms are 9 and 2. Let's combine them. 4-3 is 1, so we can make the equation into 1b+9-2. We can simplify that to b+9-2. But wait, we can combine 9 and 2. 9-2 is 7, so the final simplified equation is b+7. I hope this helps!
2/5 fraction as a decimal is 0.4.
Any number that is expressed as a fraction has two components, the numerator and the denominator. Typically, we divide the numerator by the denominator to convert a fractional number to decimal form. The formula p/q, where q=0, is used to denote fractions. While the decimal numbers, such as 7.575, are created by joining the entire number and fractional parts with a decimal point.
There are two methods to convert fraction to decimal which are given below:
- By converting the denominator of the fraction into a power of 10
For 2/5
We will divide them as mentioned above,
2/5 = 0.4
Hence, 2/5 is equal to 0.4 in decimal form.
To learn more about fraction here:
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Answer:
You can talk to me, I'm here for you.
Step-by-step explanation:
If you ever need help, volunteering, attending community or religious events, or taking a class may help form new friendships and reduce loneliness. Going for a meal, coffee, or a walk with family or friends may also help.
Answer:
9413
Step-by-step explanation:
Given that :
Error = $2 ; Standard deviation (σ) =99 ; α = 95% = 0.95
Zα/2 = Z0. 05/2 = 1.96 (Z probability calculator)...
n = sample size
Recall:
n = ((Zα/2 * σ) / Error)^2
Using the formular above, the sample size n can be obtained ;
n = ((1.96 * 99) / 2)^2
n = 97.02^2
n = 9412.8804
n = 9413
