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3 years ago

Franklin built a rectangle with square tiles.

Mathematics

2 answers:

Radda [10]3 years ago

7 0

Answer: I think this is an area not perimeter

Step-by-step explanation: if this is an area then 42 tiles with 6 rows can also be called 42 divided by 6 or 6x?=42 ?=7

42 divided by 6=7

-hope it helps

Taya2010 [7]3 years ago

5 0

Answer:

7 rows

Step-by-step explanation:

total 42 tiles. 6 columns mean, each column will have 6 tiles. so to have 42 tiles, 6*7 required

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Solve the following system of equations graphically on the set of axes below. Y=-1/2x +1 and y=x-5

Goshia [24]

Answer:

-1/2x+1=x-5

x=4

y=-4/2+1

y=-2+1

y=-1

(x,y)=(4,-1)

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3 years ago

uppose a large telephone manufacturer has a problem with excessive customer complaints and consequent returns of the phones for

vodka [1.7K]

Answer:

The answer is "294.2075".

Step-by-step explanation:

Given:

$\hat{p} = 0.5 \\\\1 - \hat{p} = 1 - 0.5 = 0.5\\\\E = 4\% = 0.04\\\\$

At $83\%$ confidence level the z is ,

$\alpha = 1 - 83\% = 1 - 0.83 = 0.17\\\\\frac{\alpha}{2} = \frac{0.17}{2} = 0.085\\\\Z_{\frac{\alpha}{2}} = Z_{0.085} = 1.3722\\\\n = (\frac{Z_{\frac{\alpha}{2}}}{E})^2 \times \hat{p} \times (1 - \hat{p})\\\\$

$= (\frac{1.3722}{0.04})^2 \times 0.5 \times 0.5\\\\= (34.305)^2 \times 0.5 \times 0.5\\\\= 1,176.83 \times 0.5 \times 0.5\\\\= 1,176.83 \times 0.25\\\\=294.2075$

5 0

3 years ago

Rate of change of rational functions

densk [106]

Answer:

0.635

Step-by-step explanation:

$rate~of~change = \dfrac{f(x_2) - f(x1)}{x_2 - x_1}$

$x_1 = 0$ $x_2 = 0.3$

$f(x) = \dfrac{-7x^3}{x^4 - 1}$

$f(x_1) = f(0) = \dfrac{-7(0)^3}{(0)^4 - 1}$

$f(x_1) = \dfrac{0}{-1} = 0$

$f(x_2) = f(0.3) = \dfrac{-7(0.3)^3}{(0.3)^4 - 1}$

$f(x_2) = \dfrac{-0.189}{-0.9919} = 0.190543$

$rate~of~change = \dfrac{0.190543 - 0}{0.3 - 0} = 0.635$

5 0

3 years ago

Help me on this online 24 game! You have to add, subtract, multiply, or divide any of these to equal 24!!!!!

docker41 [41]

Answer:

Step-by-step explanation:

add 6+6 then 9+3 then both will equal 12 then add both to get 12 + 12 = 24

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3 years ago

In which situation below would you want to use the Explicit Formula instead of the Recursive Formula?

Luden [163]

9514 1404 393

Answer:

all of them, possibly excepting the 4th term

Step-by-step explanation:

The recursive formula is good if you have terms near the one of interest. It might be used for the 4th term, but that would require that you compute the three previous terms:

7, 5, 3, 1 . . . . requires 3 subtractions

It can be about as easy to calculate ...

a4 = 7 -2(3) = 1 . . . . requires two* subtractions and a multiplication

However, for the 7th, 11th, and 106th terms, it is impractical to list all previous terms. The explicit formula is a better choice.

A. a4 = 7 -2(3) = 1

B. a7 = -1 +10(6) = 59

C. a106 = 2 +5(105) = 527

D. a11 = -3 +4(10) = 37

_____

* The explicit formula is ...

an = a1 +d(n -1)

The operations identified in this formula (in the order required by the Order of Operations) are subtraction, multiplication, and addition. For a negative common difference, that amounts to two subtractions and a multiplication.

For manual evaluation, the work involved in using the recursive or explicit formulas for the 4th term is about the same, if the arithmetic is easily done mentally (as here).

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3 years ago