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3 years ago

I need help on number 5 and 6 Help Please As soon as possible I really need your help!!!

Mathematics

2 answers:

Margarita [4]3 years ago

6 0

Use a ruler to find your measure

Nastasia [14]3 years ago

5 0

Use a ruler to find the measure of each line and make sure you look at the inches

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Repeated addition:<br> [ 1,3] + [1,3]+[1,3]= [a,b]<br> A=? B=?

sammy [17]

Answer:

I THINK a=3 b=9

Step-by-step explanation:

4 0

3 years ago

Compute 2/3 x 1/3 + 1/3 (3 + 1/3) and express your answer as a mixed number. (Note that 3 1/3 should be read as a mixed number).

Dominik [7]

Answer:

1 1/3

Step-by-step explanation:

First, distribute the parenthesis.

Second, multiply the fractions.

Third, add the 2 values together to get your answer in improper form.

Lastly, turn the improper fraction into mixed form.

4 0

3 years ago

1 1/3 divided by 3 + 1/3

Phantasy [73]

The first step to solve this problem is to convert the first mixed number to an improper fraction.
$\frac{4}{3}$ ÷ 3 + $\frac{1}{3}$
Dividing is equivalent to multiplying with the reciprocal value,, so next you will need to change the signs.
$\frac{4}{3}$ x $\frac{1}{3}$ + $\frac{1}{3}$
Multiply the fractions
$\frac{4}{9}$ + $\frac{1}{3}$
Finally,, add the two fractions together to get your final answer
$\frac{7}{9}$
This means that the correct answer to your question is $\frac{7}{9}$ .
Let me know if you have any further questions
:)

3 0

4 years ago

In a survey of 23312331 adults, 730730 say they believe in UFOs. Construct a 99 %99% confidence interval for the population pro

serg [7]

Answer:

0.288 < p < 0.338

Step-by-step explanation:

We have 2331 adults polled and 730 said they believe in UFOs. We are to construct a 99% confidence interval for the population proportion. We are told to round to 3 decimal places as needed.

We need to find p-hat and q-hat

p-hat = 730/2331 = 0.313

q-hat = 1 - p-hat = 1 - 0.313 = 0.687

Since the sample size is greater than 30, we use a z-value for 99% confidence, which is 2.575

See attached photo for the construction of the confidence interval

8 0

3 years ago

Wilson hires a financial analyst to analyse costs and profits for his cereal production business. The analyst determines that Wi

mel-nik [20]

If Wilson produces only one 1 bag, then his profit starts decreasing

<h3>How to determine the point</h3>

Given the function;

Let f ( x ) = $2x^4 - 4x^3 + 7$

Where;

x is the number of bags of cereal produced

$f'x = 2x^4 - 4x^3 + 7$

$f'(x) = 8x^3 - 12x^2$

Factorize the expression

$f'(x) = 4x^2(2x - 3)$

If the value of x is decreasing, we have;

f ′ ( x ) ≤ 0

4x² (2x - 3) ≤ 0

If x² ≥ 0, then;

2x - 3 ≤ 0

x ≤ 3/ 2

With x as the number of bags

x ∈ N

x = 1 is the only possibility

Thus, if Wilson produces only one 1 bag, then his profit starts decreasing

Learn more about functions here:

brainly.com/question/2456547

#SPJ1

The complete question:

Wilson hires a financial analyst to analyse costs and profits for his cereal production business. The analyst determines that Wilson’s eventual profit function is given as: pi = 2x ^ 4 - 4x ^ 3 + 7, where x is the number of bags of cereal produced. At what point or number of bags of cereal will Wilson’s profit start decreasing

7 0

2 years ago