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Tomtit [17]
4 years ago
7

Determine whether the triangles are simlar. If so, write a similarty statement.

Mathematics
1 answer:
Zolol [24]4 years ago
3 0
Try this option:
6) similar: ∠C=∠E=60; ∠ABC=∠DBE.
7) similar:
ΔLMN: ∠L=75; ∠M=50; ∠N=180-125=55°; ΔPOQ: ∠O=75; ∠Q=55; ∠P=180-130=50°.
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Latoya can paint five 10-foot-by-14-foot rooms by herself in 14 hours. Lisa can paint five 10-foot-by-14-foot rooms by herself i
Elina [12.6K]
Let's say if both work together, they can do it in "t" hrs

so, if Latoya can do it by herself in 14hrs, how much can she do in 1hr? well, she can do only 1/14 of the total

if Lisa can do it in 10hrs by herself, how much can she do in 1hr? well, 1/10 of the total

now, let's add their rate together, keeping in mind, their rate added, will be doing in 1hr only 1/t of the total work

thus \bf \cfrac{1}{14}+\cfrac{1}{10}=\cfrac{1}{t}\implies \cfrac{5+7}{70}=\cfrac{1}{t}\implies \cfrac{12}{70}=\cfrac{1}{t}\implies \cfrac{6}{35}=\cfrac{1}{t}
\\\\\\
t=\cfrac{35\cdot 1}{6}\implies t=\cfrac{35}{6}\implies t=5\frac{5}{6}

so, they'd do it in 5hrs and 5/6 of an hour, which is just 50mins, so, 5hrs and 50mins
8 0
3 years ago
The length of one leg of a right triangle is 21 ft and the length of the hypotenuse is 29 what's the length of the other leg
lisabon 2012 [21]
You need to use the steps of a^2+b^2=c^2
A and B are the legs. C is the hypotenuse. 

If we follow that through, we find the answer is 20. 

7 0
3 years ago
! What are modern numbers? and how are they used?
Cerrena [4.2K]

Modern numbers are the ten numerical digits used in constructing other numbers.

<h3>What are modern numbers?</h3>

Modern numbers are also called Arabic numerals. They are the ten numerical digits:

0, 1, 2, 3, 4, 5, 6, 7, 8 and 9.

Uses of modern numbers;

  • They are used as symbols to write decimal numbers.
  • They are used in writing numbers in other systems like the octal, and for writing identifiers such as computer symbols, trademarks, or license plates.
  • They are used in constructing other numbers.

Hence, modern numbers are the ten numerical digits used in constructing other numbers.

Learn more about modern numbers here:

https://brainly.in/question/20910128

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7 0
2 years ago
Select the correct answer from the drop-down menu. Find the solution set for the system of equations. 9x + 5y = 28 5x + 9y = 56
Aliun [14]
The correct answer is
  x = -0.5
  y = 6.5

or
  (x, y) = (-0.5, 6.5)

5 0
4 years ago
Read 2 more answers
A linear function has a slope of 2 and passes through the point (0,6). What is the equation of the line?
pychu [463]
A linear function means you’re working with a line. Lines can be stated in slope-intercept form: y=mx+b.

To make it a linear function, you simply replace “y” with “f(x)” notation: f(x) = mx + b

The information you gave told you m=2 and b=6, since (0,b) is the y-intercept.

Putting that all together you have:
f(x) = 2x + 6
4 0
3 years ago
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