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madam [21]
3 years ago
11

Need help ASAP! Triangles ABC and DEF are similar. Find x?

Mathematics
2 answers:
Vadim26 [7]3 years ago
7 0

Answer:

D. 8.57

Step-by-step explanation:

Okay I'm not sure if I do these problems correctly, but I always get the right answer.

7/11 = 0.6363...

15/0.6363... = 23.5714...

23.5714...- 15 = 8.57

Vesna [10]3 years ago
7 0
Hey there, the answer is D (:
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X=5 and y=7 for algebraic expression 2(4x-3) + 6(3y-5)
garik1379 [7]

Answer:

130

Step-by-step explanation:

2(4x - 3) + 6(3y - 5)

2(4 × 5 - 3) + 6(3 × 7 - 5)

2(20 - 3) + 6(21 - 5)

2(17) + 6(16)

34 + 96

130

8 0
2 years ago
Read 2 more answers
Which of the statements below best describes direct variation?
REY [17]
Direct variation is when one variable changes the other changes in proportion of the first, therefore all the above 
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3 years ago
help im stuck pls -- Refer to the table above. Determine the percent of all voters that did not vote Republican or Democrat but
dsp73

Answer:

9.9%

Step-by-step explanation:

Well, you would just divide the "other" category and the "total" category and then move the decimal over 2 spaces, because you need to multiply by 100 to turn your answer into a percent, so:

\frac{222}{2222} =0.09999...\\

Then once you multiply by 100, or move the decimal to the left 2 spaces, it becomes:

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5 0
2 years ago
A set X consists of all real numbers greater than or equal to 1. Use set-builder notation to define X.
vitfil [10]

Theory:

The standard form of set-builder notation is <span>
 
{ x | “x satisfies a condition” } </span>

This set-builder notation can be read as “the set of all x such that x (satisfies the condition)”.

For example, { x | x > 0 }  is equivalent to “the set of all x such that x is greater than 0”.

 

Solution:

In the problem, there are 2 conditions that must be satisfied:

<span>1st: x must be a real number</span>

In the notation, this is written as “x ε R”. Where ε means that x is “a member of” and R means “Real number”

 

<span>2nd: x is greater than or equal to 1</span>

This is written as “x ≥ 1”

 

Answer:

Combining the 2 conditions into the set-builder notation:

<span>X = { x | x ε R and x ≥ 1 } </span>
8 0
2 years ago
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NNADVOKAT [17]
62=14 + 2x

62-14=2x

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48/2=x

24 answer: 24

hope this helped
6 0
2 years ago
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