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vovikov84 [41]
3 years ago
6

Using this scale 1in=2ft find the dimensions of an 8ft by 12ft room

Mathematics
1 answer:
Artyom0805 [142]3 years ago
5 0
8ft by 12ft would be 4in by 6in
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Given (21,7) and (x,<br> 1), find all x such that the distance between these two points is 17.
Dmitriy789 [7]

Answer:

21+/-sqrt(253)=x

So one value for x is 21+sqrt(253)

and another is 21-sqrt(253)

Problem:

Given (21,7) and (x,1), find all x such that the distance between these two points is 17.

Step-by-step explanation:

Change in x is x-21

Change in y is 7-1=6

distance^2=(change in x)^2+(change in y)^2

17^2=(x-21)^2+(6)^2

289=(x-21)^2+36

Subtract 36 on both sides:

289-36=(x-21)^2

253=(x-21)^2

Take square root of both sides:

+/-sqrt(253)=x-21

Add 21 on both sides:

21+/-sqrt(253)=x

6 0
3 years ago
Find the probability that the sum is as stated when a pair of dice is rolled. (enter your answers as fractions.) (a) odd and les
Dmitry_Shevchenko [17]
|Ω| = 6 - number of all results
A = {1, 3} → |A| = 2 - number of (a) results
P(A) = 2/6 = 1/3

8 0
3 years ago
What’s the answer my phone calculator isn’t working
zubka84 [21]

Answer:

4.33

Step-by-step explanation:

If you don't have the cube root function in your calculator, u can chose a choice instead and cube the value.

9x9 is already 81, hence 9x9x9 > 81

27 x 27 Is definitely more than 81

Hence the only reasonable answer is 4.33

5 0
3 years ago
Which of the following proportions is false? 10/25 = 40/100 24/30 = 20/25 18/48 = 20/50 25/45 = 75/135
Liono4ka [1.6K]

Answer:

18/48=20/50 is wrong

Step-by-step explanation:

Because 18/48=37.5% and 20/50=40%

Hope it helps

3 0
2 years ago
I need to simplify it
aivan3 [116]
3a^2 B^3 C^-2 OVER a^-3 b^6 c^3
7 0
3 years ago
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