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3 years ago

The number of hours in a day is measured in the tens A. True B. False

Mathematics

2 answers:

Svetradugi [14.3K]3 years ago

7 0

Answer:

flase

Step-by-step explanation:

The hours do not get measured in tens.

mel-nik [20]3 years ago

3 0

Answer:

the answer that thou art looking for is false, cos there are 24 hours a day and if the hours were measured in tens then we would have 240 hours a day, 1,680 hours a week, 6,720 hours in a month so yeah the answer is false lol

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Dollar is worth three and 3 1/2 kruneros. What is the value of 43 3/4 kruneros?

Korvikt [17]

Question:

One dollar is worth 3 1/2 kruneros. What is the value of 43 3/4 kruneros?

Answer:

The value of $43\frac{3}{4}$ kruneros is 12.5 dollars

Solution:

Given that,

Dollar is worth three and 3 1/2 kruneros

Which means,

$1 \text{ dollar } = 3\frac{1}{2} \text{ kruneros }\\\\1 \text{ dollar } = 3.5 \text{ kruneros }$

We have to find the value of $43\frac{3}{4}$ kruneros

Let us convert the mixed fractions to improper fractions

Multiply the whole number part by the fraction's denominator.

Add that to the numerator.

Then write the result on top of the denominator.

$43\frac{3}{4} = \frac{43 \times 4 + 3}{4} = \frac{175}{4} = 43.75$

So we have to find the value of 43.75 kruneros

Let "x" be the value of 43.75 kruneros

Then,

1 dollar = 3.5 kruneros

x dollar = 43.75 kruneros

This forms a proportion and we can solve the sum by cross multiply

$1 \times 43.75 = x \times 3.5\\\\x = \frac{43.75}{3.5}\\\\x = 12.5$

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2 years ago

Please help!!! Its an emergency

Zigmanuir [339]

Answer: A

Step-by-step explanation:

The line 'd' separates the square into two triangles. Since the side lengths are equal, the angle is 45°. We need the line separating the two 90° angles, that I am going to define as 'z'. We can use the sine function.

$\sin(45)=\frac{z}{5\sqrt{2} }$

z = 5

To solve for x, we can use sine again but for the 30 degree angle.

$\sin(30)=\frac{5}{x} \\x=10$

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2 years ago

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