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Levart [38]
3 years ago
12

Mrs. sim bought 5m of cloth. She cut into 7 equal pieces. What is the length of each pieces of cloth? Give your answer to one de

cimal place
Mathematics
2 answers:
Neko [114]3 years ago
6 0

Answer:

0.7

Step-by-step explanation:

length of cloth bought = 5m

equal pieces cut           = 7

length of each piece    = 5/7

                                      = <u>0.7</u>

aksik [14]3 years ago
4 0

Answer:

0.7m


Step-by-step explanation:

5/7 =0.7

Each cloth will be 0.7 meters

Mark as brainiest


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Among all right circular cones with a slant height of 24​, what are the dimensions​ (radius and​ height) that maximize the volum
aleksklad [387]

Answer:

5571.99

Step-by-step explanation:

We need to use the Pythagorean theorem to solve the problem.

The theorem indicates that,

r^2+h^2=24^2 \\r^2+h^2=576\\r^2=576-h^2

Once this is defined, we proceed to define the volume of a cone,

v=\frac{1}{3}\pi r^2 h

Substituting,

v=\frac{1}{3} \pi (576-h^2)h\\v=\frac{1}{3} \pi (576h-h^3)

We need to find the maximum height, so we proceed to calculate h, by means of its derivative and equalizing 0,

\frac{dv}{dh} = \frac{1}{3} \pi (576-3h^2)

\frac{dv}{dh} = 0 then \rightarrow \frac{1}{3}\pi(576-3h^2)=0

h_1=-8\sqrt{3}\\h_2=8\sqrt{3}

<em>We select the positiv value.</em>

We have then,

r^2 = 576-(8\sqrt3)^2 = 384\\r=\sqrt{384}

We can now calculate the maximum volume,

V_{max}= \frac{1}{3}\pi r^2 h = \frac{1}{3}\pi (\sqrt{384})^2 (8\sqrt{3}) = 5571.99

4 0
3 years ago
Blake looks at his checking account balance regularly. His three lowest balances during the year are as given.
Gnesinka [82]

Answer:

I believe the answers are lower and lower. -20 is lower than -12, and -12 is lower than -3

Step-by-step explanation:

8 0
2 years ago
Invest 5000 for 5 years at 5% interest rate
yulyashka [42]

Answer:

$6,250

Step-by-step explanation:

5% of 5000 = .05 x 5000 = 250 this finds the amount gained per year

250 x 5 = 1,250 this is the amount earned over 5 years

5000 + 1250 = 6,250 this is the total after 5 years.

Hope this helps!

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3 years ago
What is the value of x?
aivan3 [116]
Send equation please
6 0
3 years ago
This is time sensitive, so if you see this and can answer, please do!
Evgen [1.6K]

Answer:

D. (12 + 0.08)

(Can't explain in enough time but they both equal the total cost of $12.06)


4 0
3 years ago
Read 2 more answers
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