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Tanzania [10]
3 years ago
12

Mary is thinking of a mystery number. She reduces it by 15% then subtracts 5. The result is 29. Determine the mystery number

Mathematics
1 answer:
SVEN [57.7K]3 years ago
4 0

Answer:

40

Step-by-step explanation:

Let x represent the mystery number.

Create an equation to represent the situation, then solve for x:

0.85x - 5 = 29

0.85x = 34

x = 40

So, the mystery number is 40.

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I need help wit one & two please help
seropon [69]

23 is less than 25 which means it's closer to 20, so you would round it down to 20. 1.75 is over 0.50, 1/2, so you would round it up to 2. If you multiply 2 and 20 you would get 40.

Number two gets the same explanation just with different numbers.

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3 years ago
The scale model of a skyscraper being built is 4.2 feet tall.
Dafna11 [192]
529.2 .......................................
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3 years ago
What is the product of 5/10 x 4/5 in lower terms (simplified)?*
xenn [34]
If I’m not wrong 2/5
6 0
2 years ago
Read 2 more answers
Find the surface area of the triangular prism. and equation plz
Firdavs [7]

Answer:

648

Step-by-step explanation:

A=Ph

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P=6+6+6

P=18

h= height of prism

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A=648

4 0
3 years ago
Read 2 more answers
A presidential candidate plans to begin her campaign by visiting the capitals in 44 of 5050 states. what is the probability that
defon
Part A:

Given that <span>A presidential candidate plans to begin her campaign by visiting the capitals in 4 of 50 states.

The number of ways of selecting the route of 4 specific capitals is given by

^{50}P_4= \frac{50!}{(50-4)!} =  \frac{50!}{46!} =50\times49\times48\times47=5,527,200

Therefore, the probability that she selects the route of four specific​ capitals is \frac{1}{5,527,200}



Part B:
</span>
<span>The number of ways of selecting the route of 4 specific capitals is 5,527,200.

Since </span><span>the number of ways of selecting the route of 4 specific capitals is too large it is not practical to list all of the different possible routes in order to select the one that is​ best.

Therefore, "</span><span>No, it is not practical to list all of the different possible routes because the number of possible permutations is very large."</span>
3 0
3 years ago
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