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Alona [7]
2 years ago
11

A number, x, rounded to 1 decimal place is 3.7 Write down the error interval for x.

Mathematics
1 answer:
zhuklara [117]2 years ago
6 0

Answer:

3.65 ≤ x < 3.75.

Step-by-step explanation:

Lowest  value = 3.65 and highest is < 3.75.

3.65 ≤ x < 3.75.

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12. An initial amount of 100 grams of the radioactive isotope thorium-234 decays according
jonny [76]

Answer:

Radioactive half-life An initial amount of 100 g of the radioactive isotope thorium-234 decays according to Q ( t ) = 100 e − 0.02828 t where t is in years.

Step-by-step explanation:

8 0
3 years ago
The probability distribution for the number of goals the Lions soccer team makes per game is given below.
UkoKoshka [18]

Answer:

The correct answer is:

(A) 0.55

Step-by-step explanation:

This probability distribution means that we have these following probabilities:

P(X = 0) = 0.05

P(X = 1) = 0.15

P(X = 2) = 0.35

P(X = 3) = 0.30

P(X = 4) = 0.15

What is the probability that in a given game the Lions do not score more than 2 goals?

This is the following probability.

P = P(X = 0) + P(X = 1) + P(X = 2)

P = 0.05 + 0.15 + 0.35

P = 0.55

The correct answer is:

(A) 0.55

3 0
3 years ago
Converting percent into decimals
blagie [28]
To convert a percent to a decimal, you move the the decimal left two places to convert the percent to a decimal. For example, if you were to convert 14% to a decimal, you move the decimal left two places so that 14% converted to a decimal would look something like this: 0.14
6 0
3 years ago
Read 2 more answers
The factorization of x2 + 3x – 4 is modeled with algebra
meriva

Option C: (x+4) and (x-1) are the factors of the equation

Explanation:

Given that the equation is x^{2} +3x-4

We need to determine the factors of the equation.

Splitting the middle term, we get,

x^{2} +4x-x-4

Grouping the terms, we have,

x(x+4)-1(x+4)

Let us factor out the term (x+4), we have,

(x+4)(x-1)

Thus, the factors of the equation are (x+4) and (x-1)

Hence, Option C is the correct answer.

4 0
4 years ago
Myra took out a 20 year loan for $80,000 at an APR of 11.5% compounded monthly, approximately what would be the total cost of he
Mkey [24]

Answer:

178251.203502

Step-by-step explanation:

We have given:

Principal amount which is 80,000

Time which is 20 year

Rate which is 11.5%

And since, we have to find 13 years early so, time would be: 20-13=7 years.

And since, we have to find for 12 months

Hence, n=12

We have formula to calculate compound interest:

P{1+\frac{r}{n}}^{nt}

On substituting the values we get:

80,000(1+\frac{0.115}{12})^{12\cdot 7}

\Rightarrow 80,000(1+(\frac{.115}{12}})^{84}

On simplification we get:

178251.203502

5 0
3 years ago
Read 2 more answers
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