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Triss [41]
2 years ago
9

If REX ~ ROB, find the value of a.​

Mathematics
1 answer:
Luba_88 [7]2 years ago
3 0

Answer: 8

Step-by-step explanation:

As corresponding sides of similar triangles are proportional,

\frac{RX}{RB}=\frac{XE}{BO}\\\\\frac{6}{15}=\frac{a}{20}\\\\a=20\left(\frac{6}{15} \right)=\boxed{8}

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miss Akunina [59]
No its not,i think. Dont rely on my answer as much.
6 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP! URGENT!
Nonamiya [84]

Answer:

It would be a negative number, no matter what negative integer you put it as.

Step-by-step explanation:

For example, lets substitute -2

f(-2) = -8-4-1 = -13; a negative number

4 0
3 years ago
Equilateral, isosceles, and scalene are ways in which you can classify triangles by their ___.
NeX [460]

Answer:

b sides

Step-by-step explanation:

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8 0
3 years ago
Answer in scientific notation?
love history [14]
The answer is:  45 * 10 ⁻¹¹ .
___________________________________________

Explanation:
____________________________________________
Given:   (9 * 10⁻⁵) * (5 *10 ⁻⁶) ;   Simplify.
____________________________________________
 (9 * 10⁻⁵) * (5 *10⁻⁶)  =

9 * 5 * 10⁻⁵ * 10⁻⁶ = 

(9 * 5) * 10⁻⁵ * 10⁻⁶ 

45 * 10⁻⁵ * 10⁻⁶  ;   
______________________________________
Note the following property of exponents:

xᵃ * xᵇ = x⁽ᵃ⁺ᵇ⁾ ;

As such, 10⁻⁵ * 10⁻⁶ = 10⁽⁻⁵ ⁺ ⁻⁶) = 10 ⁻¹¹ ;
______________________________________
So;  45 * 10⁻⁵ * 10⁻⁶ 

           =  45 * 10⁻¹¹ .
______________________________________

7 0
3 years ago
Original price of a suit: $250.00<br>Discount: 25%<br>Tax: 8%<br>How much will you pay?​
ozzi

Answer:

207,50

Step-by-step explanation:

1% = 2,5

2,5x25 = 62,5 250 - 62,5 = 187,5

2,5x8 = 20

187,5+20= 207,50

8 0
3 years ago
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