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Crank
3 years ago
7

Find each sum or difference. Write in simplest fraction form. Pamela ran 7/10 mile on Tuesday and 3/8 mile on Thursday. How much

farther did she run on Tuesday?
Mathematics
1 answer:
Jlenok [28]3 years ago
8 0
She ran 13/40 of a mile more on Tuesday
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If you are on a ship at sea navigating to a point that is 300 miles north and 400 miles west, find the distance from tour ship t
s344n2d4d5 [400]

Answer:

\huge \boxed{\mathrm{500 \ miles}}

Step-by-step explanation:

A right triangle is formed.

300 miles and 400 miles are the legs of the triangle.

We can apply Pythagorean theorem.

c=\sqrt{300^2 +400^2 }

c=\sqrt{90000 +160000}

c=\sqrt{250000}

c=500

8 0
2 years ago
How many times longer is the wavelength of a sound wave with a frequency of 20 waves per second than the wavelength of a sound w
sergejj [24]

The sound wave with a <u>frequency of 20</u> waves/sec is 800 longer than the wavelength of a sound wave with a <u>frequency of 16,000</u> waves/sec

<h3>Calculating wavelength </h3>

From the question, we are to determine how many times longer is the first sound wave compared to the second sound water

Using the formula,

v = fλ

∴ λ = v/f

Where v is the velocity

f is the frequency

and λ is the wavelength

For the first wave

f = 20 waves/sec

Then,

λ₁ = v/20

For the second wave

f = 16,000 waves/sec

λ₂ = v/16000

Then,

The factor by which the first sound wave is longer than the second sound wave is

λ₁/ λ₂ = (v/20) ÷( v/16000)

= (v/20) × 16000/v)

= 16000/20

= 800

Hence, the sound wave with a <u>frequency of 20</u> waves/sec is 800 longer than the wavelength of a sound wave with a <u>frequency of 16,000</u> waves/sec

Learn more on Calculating wavelength here: brainly.com/question/16396485

#SPJ1

6 0
1 year ago
If you place a 13-foot ladder against the top of a 12-foot building, how many feet will the bottom of the ladder be from the bot
Degger [83]
13^2=12^2+x^2
25=x^2
5=x
5 0
3 years ago
Read 2 more answers
√(5-22(√5)+121)<br> Simplify and show your steps
JulijaS [17]
The answer would be 8.7639
7 0
3 years ago
A triangle has two sides of lengths 6 and 9
romanna [79]

Answer:

3rd side length can being choice B. 4 ,C. 7,F. 10,  E. 12,

Step-by-step explanation:

brainly.com/question/1451975

6 0
3 years ago
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