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worty [1.4K]
3 years ago
6

Im bored so pick a # 1 or 2? if u get it right then u get a brainlist!!

Mathematics
1 answer:
Bond [772]3 years ago
4 0
2 ok I am doing this cause I can not answer with out 20 words so that should be good now
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The difference of two numbers is 90 and their quotient is 10
bija089 [108]
To solve this, set up two equations using the information you're given. Let's call our two numbers a and b:
1) D<span>ifference of two numbers is 90
a - b (difference of two numbers) = 90

2) The quotient of these two numbers is 10
a/b (quotient of the two numbers) = 10


Now you can solve for the two numbers.
1) Solve the second equation for one of the variables. Let's solve for a:
a/b = 10
a = 10b

2) Plug a =10b into the first equation and solve for the value of b:
a - b = 90
10b - b = 90
9b = 90
b = 10

3) Using b = 10, plug it back into one of the equations to find the value of a. I'll plug it back into the first equation:
a - b = 90
a - 10 = 90
a = 100

-------

Answer: The numbers are 100 and 10</span>
3 0
3 years ago
Find the surface area of a cube with edges 6.57 cm long.
notsponge [240]

Answer:

258.9894 is the total surface area

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3 years ago
A manager must select 5 delivery locations from 9 that are available. Find the number of
Dmitry_Shevchenko [17]
C^9_5=\dfrac{9!}{5!4!}=\dfrac{6\cdot7\cdot8\cdot9}{2\cdot3\cdot4}=2\cdot7\cdot9=126
6 0
3 years ago
25 marble, 5 are red what pecent is that?​
CaHeK987 [17]

Answer:

20%

Step-by-step explanation:

To find the decimal answer, we just do 5/25 which is equivalent to 0.2

Then, we multiply 0.2 by 100 to get the percentage:

0.2*100=20

8 0
3 years ago
USE SUBSTITUTION METHOD TO FIND X AND Y PLEASE HELP ME QUICKLY
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I’m not sure if you need the steps but x is -4 and y is -1
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