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natta225 [31]
3 years ago
15

A Rectangular piano at an outdoor restaurant is made of 35 tiles each tile is one square yard if there are five tiles in each ro

w how many rows are there
Mathematics
1 answer:
statuscvo [17]3 years ago
6 0

Answer:

7

Step-by-step explanation:

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In triangle abc, ac=10, bc=8, angle b =90 degrees and angle bda = 90. how long is line bd
WITCHER [35]
The complete question in the attached figure

we know that
<span>applying the Pythagorean theorem in triangle ABC
</span>AC²=AB²+BC²----------> AB²=AC²-BC²---------> 10²-8²-------> AB²=36-----> AB=6

in the triangle ABC
tan a=BC/AB--------> 8/6--------> tan a=4/3
tan c=AB/BC--------> 6/8--------> tan c=3/4

in the triangle ABD
tan a=BD/AD---------> tan a=BD/x-------> BD=x*tan a
BD=x*(4/3)-----------> equation 1

in the triangle BDC
tan c=BD/DC------------------> BD=(10-x)*tan c------> BD=(10-x)*(3/4)
BD=(10-x)*(3/4)-------------> equation 2

equal 1 and 2
x*(4/3)=(10-x)*(3/4)------> 16x=9*(10-x)--------> 16x=90-9x----> 25x=90
x=90/25-----------> x=3.6
BD=x*(4/3)--------> BD=3.6*(4/3)---------->  BD=4.8 units

the answer is BD=4.8 units


4 0
4 years ago
Logarithmic Functions <br> Can anyone help?
aliya0001 [1]

The equation y\ =-2\log_{2}\left(x+2\right)+8 has x Intercept at (14, 0) and Y intercept (0,6) and domain is (-2, ∞). Thus Option A,B and C are correct.

<h3>What are functions?</h3>

Functions is the relationship between sets of values. e g y=f(x), for every value of x there is its exists in set of y. x is independent variable while Y is dependent variable.

Given function,
= y\ =-2\log_{2}\left(x+2\right)+8
Domain of the above function is grater than -2 because at -2 system goes to infinity. Domain can be given as(-2, ∞).

Given function has x intercept at (14, 0) and y intercept at (0, 6).

Thus, the given function of log has following characteristic i.e.
x Intercept at (14, 0) and Y intercept (0,6) and domain is (-2, ∞).

Learn more about function here:

brainly.com/question/21145944

#SPJ1


6 0
2 years ago
Explain how to use the combine place values strategy to find 223 - 119.
tiny-mole [99]
<span>Explain how to use the combine place values strategy to find 223 - 119.</span>
7 0
4 years ago
Juan goes to the bowling alley every three weeks Percy goes to the bowling alley every five weeks if Juan and Percy meet the fir
Kitty [74]
2 weeks because 5-3 is 2
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3 years ago
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What is the relationship between 0.04 and 0.004
olga_2 [115]
0.04 is ten times more than 0.004
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