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3 years ago

Evaluate 1/3 x 14/21

Mathematics

2 answers:

Sunny_sXe [5.5K]3 years ago

6 0

Answer:

2/9.

Step-by-step explanation:

Perform multiplication across the fractions. C'mon.

iogann1982 [59]3 years ago

5 0

Answer:14/7 which equals2

Step-by-step explanation:

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18,18,15,18,18,24,21,21,24,14 which one is mean

julsineya [31]

Answer:19.1

Step-by-step explanation: Put the numbers in order and then add the numbers and then divide it by how many number there is

14+15+18+18+18+18+21+21+24+24=191

191/10=19.1

7 0

2 years ago

A scientist wishes to estimate the mean breaking strength of a certain type of steel rod within 3.0 psi with 95% confidence. Bas

yaroslaw [1]

Answer:97 rods

Step-by-step explanation:

The number of steel rods for 95% confidence level

$n=\left ( \frac{Z_\frac{\alpha }{2}\times \hat{\sigma }}{E} \right )^2$

$Z_\frac{\alpha }{2}=1.96$

E=3

$\hat{\sigma }=15$

Substituting values

$n=\left ( \frac{1.96\times 15}{3}\right )^2$

$n=96.04\approx 97$

Thus 97 rods is tested

6 0

3 years ago

Louie is trying to find a rectangular canvas for his art project. Its height must measure 18 inches and form a 48° angle with th

KengaRu [80]

Answer:

27 inches

Step-by-step explanation:

To find the length of the diagonal, we just need to use the cosine relation of the 48° angle.

The adjacent side to the angle is the height of the canvas, and the hypotenuse formed is the diagonal of the canvas. So, we have that:

cos(48) = height / diagonal

0.6691 = 18 / diagonal

diagonal = 18 / 0.6691 = 26.9 inches

Rounding to the nearest inch, the diagonal of the canvas measures 27 inches

8 0

2 years ago

What is the property of this equation? if 2x=8 then x=4

Eva8 [605]

Answer is 2 x 4=8 this is a scientific property

7 0

3 years ago

The balance after the grace period is $25,000. A payment of $5,000 is made on the 10th day. A payment of $5,000 is made on the 2

MariettaO [177]

The average daily balance after 20 days is; $1750

<h3>Average Balance</h3>

The initial balance after grace period is; $25,000

Afterwards, A payment of $5,000 each is made on the 10th and 20th day.

Hence, the total balance after 20 days is;

= $25,000 + $5000 + $5000

= $35,000.

The average daily balance is therefore the quotient of $35,000 and 20 days

The average daily balance = $35,000/20

Average daily balance = $1750