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3 years ago

7

How to find the containment of a fire? PLEASE HELP I NEED HELP HELP HELP!!!!!!!! ASAP

2 answers:

horrorfan [7]3 years ago

7 0

Like containing a fire?
then use anything to cut out the oxygen (like a bucket or a spoon if it’s a tiny flame)

snow_tiger [21]3 years ago

5 0

Hope I understood the problem correctly, but here's an idea: You could split it into three different triangles and solve each one using the pythagorean theorem (a^2 + b^2 = c^2) to find the perimeter of the entire fire. Then once the entire perimeter is found, divide the fire line length by the total fire perimeter and multiply that answer by 100. This should give you the percentage of the fire contained.

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Leah likes to stretch 5 minutes for every 10 minutes of dancing. How many minutes should she stretch if she is doing a 50 minute

tangare [24]

Let's set up a proportion.
5/10=?/50
We know that ten times 5 equals 50, so we can multiply the numerator, 5, by 5 to get our answer (what you do to the denominator, you must also do to the numerator).
5x5=25
The answer is 25,

7 0

3 years ago

Prove the divisibility:<br><br>45^45·15^15 by 75^30

garri49 [273]

Answer:

$3^{75}$ .

Step-by-step explanation:

We have been an division problem: $\frac{45^{45}*15^{15}}{75^{30}}$ .

We will simplify our division problem using rules of exponents.

Using product rule of exponents $(a*b)^n=a^n*b^n$ we can write:

$45^{45}=(9*5)^{45}=9^{45}*5^{45}$

$15^{15}=(3*5)^{15}=3^{15}*5^{15}$

$75^{30}=(15*5)^{30}=15^{30}*5^{30}$

Substituting these values in our division problem we will get,

$\frac{9^{45}*5^{45}*3^{15}*5^{15}}{15^{30}*5^{30}}$

Using power rule of exponents $a^n*a^m=a^{n+m}$ we will get,

$\frac{9^{45}*5^{(45+15)}*3^{15}}{15^{30}*5^{30}}$

$\frac{9^{45}*5^{60}*3^{15}}{15^{30}*5^{30}}$

Using product rule of exponents $(a*b)^n=a^n*b^n$ we will get,

$\frac{(3*3)^{45}*5^{60}*3^{15}}{(3*5)^{30}*5^{30}}$

$\frac{3^{45}*3^{45}*5^{60}*3^{15}}{3^{30}*5^{30}*5^{30}}$

Using power rule of exponents $a^n*a^m=a^{n+m}$ we will get,

$\frac{3^{(45+45+15)}*5^{60}}{3^{30}*5^{(30+30)}}$

$\frac{3^{105}*5^{60}}{3^{30}*5^{60}}$

$\frac{3^{105}}{3^{30}}$

Using quotient rule of exponent $\frac{a^m}{a^n}=a^{m-n}$ we will get,

$\frac{3^{105}}{3^{30}}=3^{105-30}$

$3^{105-30}=3^{75}$

Therefore, our resulting quotient will be $3^{75}$ .

7 0

3 years ago

Help,please,thankyou

Pavel [41]

Answer:

C.

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

If a math word problem has the word each do you have to multiply or Divide<br><br><br> HELP ASAP

andrezito [222]

Answer:

I believe its to divide

5 0

3 years ago

Pls help !!!!!!!!!!!!!!!!!!!!!

Naddika [18.5K]

Answer:

The slope is 2.

Step-by-step explanation:

You can see on the intercepts that it goes rise 2 and run over 1 which would basically equal to 2.

7 0

3 years ago

Read 2 more answers