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3 years ago

8 for 2 pound of rice in unit rate

Mathematics

1 answer:

Sav [38]3 years ago

5 0

8/2 pound, simplified 4/1 pound

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The claim is that the proportion of drowning deaths of children attributable to beaches is more than 0.25, and the sample statis

Ainat [17]

Answer:

The test statistic Z = 3.125

Step-by-step explanation:

Given Population proportion P = 0.25

Given sample size 'n' = 696

Sample proportion 'p⁻' = 0.30

Test statistic

$Z = \frac{p^{-} -P}{\sqrt{\frac{P Q}{n} } }$

$Z = \frac{0.30-0.25}{\sqrt{\frac{0.25 X 0.75}{696} } } = 3.125$

Final answer:-

The test statistic Z = 3.125

3 0

3 years ago

A ladder is 6 m long.

IRISSAK [1]

Answer:

5.8 m

Step-by-step explanation:

Using the Pythagorean Theorem (a² + b² = c²) you get the equation a² + 1.5² = 6² (or 1.5² + b² = 6²). Then you solve from there and rounding to the first decimal place you get 5.8

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3 years ago

The width of a rectangle is y feet long. The rectangle is 4 feet longer than it is wide. What is the area of the rectangle? Whic

nikitadnepr [17]

Answer:

y²+4y

Step-by-step explanation:

y multiplies with (y+4)

y times y is y²

y times 4 is 4y

That leaves you with y²+4y

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3 years ago

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What is the quotient of 3/4 divided by 1/5? The quotient is 3 and ___________

Zanzabum

Answer:

The quotient is 3 and $\frac{3}{4}$ .

Step-by-step explanation:

To find the quotient of the division (which is just the solution, really), we have to solve the division itself:

$\frac{\frac{3}{4}}{\frac{1}{5}}$

$= \frac{3 \cdot 5}{1 \cdot 4}$

$= \frac{15}{4}$

Now that we know the quotient, we can look at the question itself to find it requires from us an answer with a whole number in it.

Therefore, we transform the fraction as thus:

$\frac{15}{4}$

$= 3 \frac{3}{4}$

Therefore, the final answer is 3 and $\frac{3}{4}$ .

Hope this helped!

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3 years ago

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An irregular polygon is shown below:

Liono4ka [1.6K]

You can split this shape into two shapes; a rectangle on top and a horizontal rectangle underneath. The top rectangle would be 4 x 2 = 8 square units, and the bottom rectangle would be 7 x 1 (3 - 2) = 7 square units. Now you just add these to get 15 square units. I hope this helps!

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3 years ago

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