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Andrei [34K]
2 years ago
5

Rewrite the expression from part B by distributing -1 from each of the negative numbers.

Mathematics
1 answer:
WINSTONCH [101]2 years ago
6 0

Answer:

I dont know an and i really need help on somthing and i dont have points and i joined today and got no points.

Step-by-step explanation:

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There are many square prisms with volume 125 in. Let w represent the side length of the square base and h represent the height i
iogann1982 [59]

Answer:

5in by 5in by 5in

Step-by-step explanation:

We are not told wat to find but we can as well find the dimension of the prism that will minimize its surface area.

Given

Volume = 125in³

Formula

V = w²h ..... 1

S = 2w²+4wh ..... 2

w is the side length of the square base

h is the height of the prism

125 = w²h

h = 125/w² ..... 3

Substitute eqn 3 into 2 as shown

S = 2w²+4wh

S = 2w²+4w(125/w²)

S = 2w²+500/w

To minimize the surface area, dS/dw = 0

dS/dw =4w-500/w²

0= 4w-500/w²

Multiply through by w²

0 = 4w³-500

-4w³ = -500

w³ = 500/4

w³ =125

w = cuberoot(125)

w = 5in

Get the height

125 =w²h

125 = 25h

h = 125/25

h = 5in

Hence the dimension of the prism is 5in by 5in by 5in

5 0
1 year ago
This box plot shows information about the marks scored in a test. 40 50 60 70 Points scored Nobody gained exactly 30, 48 or 70 m
Sonbull [250]

Answer:

80

Step-by-step explanation:

7 0
1 year ago
Rain and Hantavirus in Mice Hantavirus is carried by wild rodents and causes severe lung disease in humans. A recent study1 on t
Vesna [10]

Answer:

The overview of the given situation is described in the explanation segment below.

Step-by-step explanation:

  • By the details received, the reference variable becomes actual prevalence or occurrence of another virus whereas the descriptive variable becomes precipitation 'Precipitation compensated for 79% throughout variability with prevalence.'

As we know that the determination's coefficient will be:

⇒  R^2

(Percent of variance in the answer variable described by the explanatory variable).

Now the correlation among the two variables will be:

As we know,

⇒  r^2=R^2

⇒  r^2=0.79

⇒  r=\sqrt{0.79}

⇒  r=0.889

8 0
1 year ago
caroline and sarah win some money and share it in the ratio of 6:1 caroline gets £70 more than her how much did they get altoget
svetlana [45]
Answer: £84

Explanation:
84-70=14
14*6=84
6:1
84:14
4 0
2 years ago
With reference to the figure, sin x =
TEA [102]
Cos y = 16 / 17.89 = 0.8944
y = cos^-1 (0.8944) = 26.57°

tan 26.57 = BA / 17.89
BA = 17.89 tan 26.57 = 8.95

tan x = 17.89 / 8.95 = 1.999
x = arctan 1.999 = 63.43

sin x = sin 63.43 = 0.8944
7 0
2 years ago
Read 2 more answers
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