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yan [13]
4 years ago
9

Does 10,15,20 form a right triangle

Mathematics
1 answer:
sveta [45]4 years ago
5 0
A right triangle can only be formed when you use the 3/4/5 rule.
The 3/4/5 rule is a^2 + b^2 = c^2.

We will use 10 for a, 15 for b, and 20 for c.

a^2 + b^2 = c^2

Plug in 10 for a, 15 for b, and 20 for c.

10^2 + 15^2 = 20^2

10^2 = 100

15^2 = 225

20^2 = 400

100 + 225 = 400
This is not applicable, as 100 + 225 = 325.

Your answer is:

No, 10,15,20 does not form a right triangle.

I hope this helps!
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Gretchen earns extra money mowing lawns on the weekend. She mows 3 lawns per hour and earns $12.00 per lawn. How much does Gretc
stepladder [879]

Gretchen will earn $48 from mowing in 4 hours

Data

  • Amount earned on each lawn = $12
  • Number of hours mowing = 4 hours

<h3>What is Rate</h3>

This is the measure of one unit against another unit. An example of this is speed which is the rate of distance covered to time.

In this case, she mows 1 lawn in each hour and earns $12 on each.

To calculate for 4 hours

4*12=$48

She earns $48 from mowing 4 lawns

learn more on rates here;

brainly.com/question/8728504

4 0
2 years ago
Define fn : [0,1] --&gt; R by the
sasho [114]

Answer:

The sequence of functions \{x^{n}\}_{n\in \mathbb{N}} converges to the function

f(x)=\begin{cases}0&0\leq x.

Step-by-step explanation:

The limit \lim_{n\to \infty }c^{n} exists and converges to zero whenever \lvert c \rvert. But, if c=1 the sequence \{c^{n}\} is constant and all its terms are equal to 1, then converges to 1. Using this result, consider the sequence of functions \{f_{n}\} defined on the interval [0,1] by f_{n}(x)=x^{n}. Then, for all 0\leq x we have that \lim_{n\to \infty}x^{n}=0. Now, if x=1, then \lim_{n\to \infty }x^{n}=1. Therefore, the limit function of the sequence of functions is

f(x)=\begin{cases}0&0\leq x.

To show that the convergence is not uniform consider 0. For any n>1 choose x\in (0,1)  such that \varepsilon^{1/n}. Then

\varepsilon

This implies that the convergence is not uniform.

8 0
3 years ago
If 10,500 is decomposed in a compound interest account paying 2.99% interest annually, how much will be in the account after 5 y
Irina-Kira [14]
1) To work out the result after a percentage is applied to a number, you work out 'the percentage number/100' and write the answer of this calculation down.                         2) You THEN multiply this calculated number (called the 'percentage multiplier') by your orginal number (called the 'principal').                                                                  3) The result of this calculation gives you the answer of what happens when your orginal number is multiplied by a certain percentage.                                                    4) Thus, for a 2.99% increase work out: " (100+2.99)/100 "
    The answer is 1.029 - SO THIS is your percentage multiplier.                                   5) Your earn 2.99% interest each year for 5 years. Thus you multiply your principal (10,500) by the calculated percentage multiplier (1.029), BUT you you multiply the principal by this multiplier 5 TIMES!                                                                              6) So, the calulation is:10,500 × (1.029^5).                                                                  7) This EQUALS $12,113.403198) Rounded to the nearest cent, the final amount in the account AFTER 5  YEARS = $12,113.40                                                                  8) THE ANSWER IS THUS: $12,113.40
8 0
3 years ago
Jenny picked 25 roses. she gave away 10 roses. What percent of the roses did Jenny give away?
diamong [38]
Divide 10 by 25, which would get you 4. Move the decimal over two to the left, because you wanted a percentage.

Jenny gave away 40% of the roses.
3 0
3 years ago
How long does it takes the earth to complete one full revolution?<br><br>A. 90<br>B. 180<br>C. 365​
EleoNora [17]
C.365 because one revolution takes 365.25 days or one year
7 0
3 years ago
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