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Vladimir79 [104]
3 years ago
13

Please help with this question!

Mathematics
1 answer:
Over [174]3 years ago
3 0

9514 1404 393

Explanation:

If the amount of change due to rounding is the same for both numbers, the original difference and the difference of rounded values will be the same. This will always be the case if the hundredths digits are the same to start with.

<u>Example</u>:

  A = 0.56 ⇒ C = 0.6

  B = 0.66 ⇒ D = 0.7

__

B - A = 0.66 -0.56 = 0.10

D - C = 0.7 -0.6 = 0.10 . . . . . same as B - A, ∴ Dominic is incorrect.

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AlexFokin [52]

Answer:

The answer is....

4+(-7)= -3

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3 years ago
280 pages; 20% decrease
vitfil [10]
The answer would be 224 pages!
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What is the perimeter of an equilateral triangle that has a height of 24m?
meriva

Answer:

The perimeter of an equilateral triangle that has a height of 24m is

Option C : 48 square root 3

Step-by-step explanation:

Given:

Height of the triangle =24 m

To Find:

The perimeter of an equilateral triangle  = ?

Solution:

Perimeter of the equilateral  triangle  =  3a

where a is the side of the triangle

Here the height is given as 24 m

Then from the figure

Sin(60^{\circ}) = \frac{opposite}{hypotenuse}

Sin(60^{\circ}) = \frac{24}{x}

x = \frac{24}{Sin(30^{\circ})}

x= \frac{24}{\frac{\sqrt{3}}{2}}

x = \frac{24 \times2}{\sqrt{3}}

x = \frac{48}{\sqrt{3}}

Now

The perimeter is

=> 3x

=>3 \times \frac{48}{\sqrt{3}}-------------------------(1)

Now we know that 3 = \sqrt{3} \times \sqrt{3}--------------------(2)

Substituting (2) in (1)

=>(\sqrt{3} \times \sqrt{3}) \times \frac{48}{\sqrt{3}}

=>48\sqrt{3}

4 0
3 years ago
Is the amount of candy bars sold proportional to the money Isaiah received? How do you know?
Lynna [10]

Answer:

The two quantities are not proportional to each other because a constant describing the proportion does not exist

Step-by-step explanation:

It's honestly just random numbers. None of them are proportional to the other side of the table.

Let me know if you need more help with the topic :)

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Answer:

C :She is incorrect because she should have squared each leg length and then found the sum

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