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3 years ago

Si f(x)=4x+5 cual es el valor de f(_3)?

Mathematics

1 answer:

OLga [1]3 years ago

4 0

Answer: Debería ser 7

Step-by-step explanation:

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DerKrebs [107]

Answer:

77.7

Step-by-step explanation:

d = 6(10) + 17.7

d = 60 + 17.7

d = 77.7

8 0

3 years ago

Ava‘s birthday party cost two dollars for every guess he invites how many guest can there be at most if Abe can afford to spend

daser333 [38]

Answer:

The answer is 18.

Step-by-step explanation:

If Ava's birthday party costs two dollars for every guest that is invited and the total amount that can be spent on the birthday is 36 dollars, only for the guests, then 36/2 = 18, a total of 18 guests can be invited to Ava's birthday.

I hope this answer helps.

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3 years ago

the surface area of a square pyramid is 136 square inches. The base length is 4 inches. What is the slant height???/

Shkiper50 [21]

Step-by-step explanation:

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3 years ago

An electronics store makes a profit of 48 for every television sold and 60 for every computer sold the manager target is to make

gregori [183]

Answer:

1)On selling 4 computers, the target is matched.

2)By selling 5 televisions, the target is matched.

3) Selling 3 televisions and 3 computers, the target is matched.

Step-by-step explanation:

The profit on each television sold = 48

The profit on every computer sold = 60

Now, the targeted profit is ≥240

(1) As, the profit on each computer = 60

⇒The profit on selling 6 computer = 4 ( Profit one each computer)

= 4 x 60 = 240

Hence, on selling 4 computers, the target is matched.

(2) As, the profit on each television = 48

⇒The profit on selling 5 television = 5 ( Profit one each 5 television)

= 5 x 48 = 240

Hence, on selling 5 televisions, the target is matched.

(3) Now, by selling 3 Televisions, the profit = 2 x 48 = 96

by selling 3 computers, the profit = 3 x 60 = 180

Total profit = 96 + 180 = 276 > 240

Hence, on selling 3 televisions and 3 computers, the target is matched.

8 0

3 years ago

Suppose 300 randomly selected people are surveyed to determine whether or not they rent their home. Of the 300 surveyed, 60 repo

Vinil7 [7]

Answer: (0.143, 0.257)

Step-by-step explanation:

Given : Level of significance : $1-\alpha:0.99$

Then , significance level : $\alpha: 1-0.99=0.01$

Since , sample size : $n=300$ .

Critical value : $z_{\alpha/2}=2.576$

Also, the proportion of people said that they were fans of the visiting team :-

$\hat{p}=\dfrac{ 60}{300}\approx0.2$

The confidence interval for population proportion is given by :-

$\hat{p}\pm z_{\alpha/2}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

$0.2\pm(2.576)\sqrt{\dfrac{0.2(1-0.2)}{329}}\\\\\approx0.2\pm0.057\\\\=(0.2-0.057, 0.2+0.056=(0.143,\ 0.257)$

Hence, the confidence interval for the population proportion with a 99% confidence level= (0.143, 0.257)

8 0

3 years ago

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Si f(x)=4x+5 cual es el valor de f(_3)?​

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