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3 years ago

(143(5) + 67)5-----------Anybody???:)

1 answer:

6 0

<span>(143(5) + 67)5
Multiply 143 by 5
(715 + 67)5
Add the numbers inside the parenthesis(715 and 67).
(782)5
Multiply 782 by 5.
Final Answer: 3,910</span>

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Karen is at least 4 years more than twice mary's age (m). Karen is 46 years old. Write a simplified inequality that represents m

Margarita [4]

Answer:

46 ≥ 2m + 4

m ≥ 21

Step-by-step explanation:

At least is ≥

Karen's age = 46 years old

Mary's age = m years old

Karen is at least 4 years more than twice mary's age (m).

46 ≥ 2m + 4

46 - 4 ≥ 2m

42 ≥ 2m

m ≥ 42/2

m ≥ 21

6 0

3 years ago

From the records of a health-insurance companies in Pennsylvania, it is known that 58% of the accounts include dental coverage.

kobusy [5.1K]

Answer: 0.0221

Step-by-step explanation:

We know that the formula to find the standard deviation of the sample proportion is :

$\sigma_p=\sqrt{\dfrac{p(1-p)}{n}}$

, where p = proportion of success.

n= sample size.

As per given , we have

p=0.58

n= 500

Then, the standard deviation of the sample proportion in this situation would be :

$\sigma_p=\sqrt{\dfrac{0.58(1-0.58)}{500}}\\\\=\sqrt{\dfrac{0.2436}{500}}\\\\=\sqrt{0.0004872}\\\\\approx0.0221$

Hence, the standard deviation of the sample proportion in this situation is 0.0221 .

8 0

3 years ago

Please Simplify 60/105 to lowest form

svlad2 [7]

4/7. Divide the numerator and denominator by 15.

7 0

3 years ago

The cone in the diagram has the same height and base area as the prism. What is the ratio of the volume of the come to the volum

Nimfa-mama [501]

Answer:

$\large\boxed{\dfrac{V_{cone}}{V_{prism}}=\dfrac{1}{3}}$

Step-by-step explanation:

$\text{The formula of a volume of a cone:}\ V_{cone}=\dfrac{1}{3}B_cH_c\\\\B_c-base\ area\ of\ a\ cone\\H_c-height\ of\ a\ cone\\\\\text{The formula of a volume of a prism:}\ V_{prism}=B_pH_p\\\\B_p-base\ area\ of\ a\ prism\\H_p-height\ of\ a\ prism\\\\\text{The cone and the prism have the same base area and height.}\\\text{Therefore}\\\\V_{cone}=\dfrac{1}{3}BH\ \text{and}\ V_{prism}=BH\\\\\text{The ratio of the volume of the cone to the volume of the prism:}$

$\dfrac{V_{cone}}{V_{prism}}=\dfrac{\frac{1}{3}BH}{BH}=\dfrac{1}{3}$

5 0

3 years ago

Explain why it works to break apart a number by place values to multiply

kramer

Well first of all if I had a multiplication question such as 12,000×1000 of course you would know it would be 12,000 well you would always use your place value chart saying ones tens hundreds thousands and thousands and hundreds

6 0

3 years ago

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