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Amiraneli [1.4K]
3 years ago
5

What is the side length b in the triangle below? Please help!

Mathematics
2 answers:
pashok25 [27]3 years ago
6 0

Answer:

5

Step-by-step explanation:

This is a special right triangle: 5, 12, 13

Or you can solve using the Pythagorean Theorem (a^2+b^2=c^)

--> 13^2-12^2=b^2

-->169-144=b^2

-->25=b^2

b=5

Stolb23 [73]3 years ago
3 0

Answer:

solution

here

hypotenuse (h)=13

perpendicular(p)=12

now,

h^2=p^2+b^2

13^2=12^2+b^2

169=144+b^2

169-144=b^2

b^2=25

b=5

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2 years ago
Can someone help with this math word problem.
iragen [17]

Answer:

Step-by-step explanation:

Time taken to eat the pizza in seconds =28×60=1680 seconds

If it takes 20seconds to lift, bite and chew,

Then the total bites taken to finish the pizza =1680/20 =84 bites

If for each bite 9cm² disappeared, then area that disappeared for 84bites =84×9cm² = 756cm²

Total area of pizza =756cm²

If area =(πd²)/4,

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d²=4×756/3.14=963.06

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7 0
3 years ago
The area of a rectangle is 6x^3+4x^2−8x. The width of the rectangle is 2x. Find the length of the rectangle.
Vitek1552 [10]

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1776

Step-by-step explanation:

6 0
3 years ago
Can someone help me with this i am confused
Eva8 [605]
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6 0
2 years ago
Jeff was already 7 miles out of town when his sister
Nikolay [14]

The sister catches up Jeff after 2 hours

Step-by-step explanation:

We can write Jeff's position and his sister position at time t using the following expressions:

- Jeff position:

x_j(t) = 7 + 2.5 t

where:

7 is the initial position of Jeff when his sister sarts chasing him

2.5 is Jeff's velocity (in miles/hour), so its position increases by 2.5 miles for each hour

t is the time measured in hours

- Sister position:

x_s(t) = 6t

where

6 is the sister velocity (her position increases by 6 miles for every hour)

t is the time measured in hours

The sister catches up Jeff when the two positions are equal, so

x_j(t) = x_s(t)\\7+2.5t=6t

And solving for t,

7+2.5t-2.5t=6t-2.5t\\7=3.5t\\t=\frac{7}{3.5}=2 h

So, the sister catches Jeff after 2 hours.

Learn more about speed:

brainly.com/question/8893949

#LearnwithBrainly

5 0
3 years ago
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