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2 years ago

Which of the following triangles have three sides of different length?

Mathematics

2 answers:

vodka [1.7K]2 years ago

8 0

Answer:

Step-by-step explanation:

Scalene Triangle A scalene triangle is a triangle in which all three sides are different lengths. Equilateral A polygon is equilateral if all of its sides are the same length

Hope this helps =)

Tom [10]2 years ago

5 0

Answer:

B. scalene

Step-by-step explanation:

A. acute - all angles are less than 90 degrees

B. scalene - all sides are different lengths

C.equilateral - all sides the same length

D. right- one angle is 90 degrees

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Problem PageQuestion The mass of a radioactive substance follows a continuous exponential decay model, with a decay rate paramet

asambeis [7]

Answer:

Step-by-step explanation:

<u>Exponential Model</u>

The exponential model is often used to simulate the behavior of a magnitude that either grow or decay in proportion to the existing amount of that magnitude.

The model can be expressed as

$M=M_oe^{kt}$

In this case, Mo is the initial mass of the radioactive substance and k is a constant which value is positive if the mass is growing or negative if the mass is decaying.

The value of k is not precisely given in the question, we are assuming $k=-0.2$

The model is now

$M=M_oe^{-0.2t}$

We are required to compute the time it takes the mass to reach one-half of its initial value:

$\displaystyle \frac{M_o}{2}=M_oe^{-0.2t}$

Simplifying

$\displaystyle \frac{1}{2}=e^{-0.2t}$

Taking logarithms

$\displaystyle ln\frac{1}{2}=ln(e^{-0.2t})=-0.2t$

Solving for t

$\displaystyle t=-\frac{ln\frac{1}{2}}{0.2}=1.51$

6 0

3 years ago

What is 30% of 8 cups?

uranmaximum [27]

Answer:

Step-by-step explanation:

$\bold{METHOD\ 1:}\\\\p\%=\dfrac{p}{100}\\\\30\%=\dfrac{30}{100}=0.3\\\\30\%\ of\ 8\ cups\to0.3\cdot8\ cups=2.4\ cups$

$\bold{METHOD\ 2:}\\\\\begin{array}{ccc}100\%&-&8\ cups\\\\30\%&-&x\end{array}\qquad\text{cross multilpy}\\\\100x=(30)(8)\\\\100x=240\qquad\text{divide both sides by 100}\\\\\dfrac{100x}{100}=\dfrac{240}{100}\\\\x=2.4$

4 0

3 years ago

Karen spends $450 on monthly bills. Of this total amount, 12% is for phone service, 1/10 is for internet service, and 2/9 is for

finlep [7]

12%= 0.12 = 12/100 = 108/900
1/10 = 90/900
2/9 = 200/900

108/900 + 90/900 + 200/900 = 398/900 used

900- 398 = 502

502/900 = 251/ 450

251/450 × 450 = 251

Karen has $251 for food

4 0

2 years ago

Choose the right one

EastWind [94]

Answer:

g(x) = 8x

Step-by-step explanation:

cause of IXL

3 0

2 years ago

Use the long division method to find the result when 12x3 + 1732 + 12x + 4 is<br> divided by 3x + 2.

zhenek [66]

The answer is 13 duh boy

6 0

3 years ago