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Trava [24]
3 years ago
12

The triangles are similar. Find the value of x. Round to the nearest tenth.

Mathematics
1 answer:
STALIN [3.7K]3 years ago
8 0

Answer:

the value of x is 46 round to the nearst tenth thatll be 50

Step-by-step explanation:

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Heather has a bag with 9 marbles, 9 tennis balls, 10 apples, and 2 books. What is the ratio of books to tennis balls?
sveticcg [70]

Answer:

Option A, (2/9) or 2:9

Step-by-step explanation:

<u>Amount of books:</u>  2 books

<u>Amount of tennis balls:</u>  9 tennis balls

Books : Tennis Balls

<em>2 : 9</em>

<em />

Answer:  Option A, (2/9) or 2:9

3 0
3 years ago
How many 3 digit palindromes are divisible by 9?
ludmilkaskok [199]

Interesting problem.

A palindrome is a number which is identical when read/interpreted left-to-right or right-to-left.   For example, 14241 is a palindrome, so is 444444.


A three digit palindrome must be made up of two distinct digits only, one for the first and last digits, and one for the middle, for example, 424, or 515, etc.


For a number to be divisible by 9, the sum of the digits must add up to a multiple of 9, such as 0, 9, 18, 27, etc.


We can now form a table of the possible 3-digit palindromes divisible by 9, starting with the first/last digits (=A), and finding the middle digit (=B).  The number is therefore represented by the pattern ABA.

For example, when A=1, we have the number 1B1.  For the number to be divisible by 9, B=7 so that sum=1+7+1=9, which is divisible by 9.

For each value of A (from 1 to 9) we can only find one value of B that makes the number divisible by 9.   Thus we can only find nine such numbers, with A equal to 1 to 9.

Here's a list of the numbers

A   B   number

1    7    171

2   5    252

3   3    333

4   1     414

5   8    585

6   6    666

7   4    747

8   2   828

9   0   909

3 0
3 years ago
What are two numbers that add together to make -7 and that multiply to make 6
kumpel [21]
-2 and -4 this is the answer
4 0
3 years ago
Read 2 more answers
Simplify the expression. (3x2 – 4x + 1) + (-x2 + x – 9)
LuckyWell [14K]

(3x^2 - 4x + 1) + (-x^2 + x - 9)=\\3x^2-4x+1-x^2+x-9=\\2x^2-3x-8

4 0
3 years ago
Read 2 more answers
Could anybody help with this question? My teacher didn’t give a review so I’m not sure what to do. Any help is appreciated!
Allisa [31]

Answer: 6

Step-by-step explanation: set the equations equal to each other then solve. plug that number into the equation for AB

8 0
3 years ago
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