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Katarina [22]
3 years ago
9

What is the answer for 1=30 minus -8

Mathematics
1 answer:
Digiron [165]3 years ago
3 0
1=30-8
I=22
,.........
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270 american dollar and recevied 3000 pesos when he returned from mexico he had 100 pesos left. how many will he recevie when he
AURORKA [14]
To solve this problem we can use simple proportion
If 
270$ -------------------------3000 pesos
x $  ---------------------------100 pesos               (x$ means that we dont know how much)
Now we crossmultiplying to get proportion
x*3000=270*100
Now we just to solve eq
3000x=27000  /:3000
x=27000:3000
x=9$ - its the result
7 0
3 years ago
A flower shop makes 5 bouquets with 18 flowers in each bouquet. They make 7 bouquets with 12 flowers in each bouquet.
Anettt [7]

Answer:

174

Step-by-step explanation:

thanks for the help guys

7 0
2 years ago
The sum of three numbers is 102. The first number is 6 more than the second. The third number is 4 times the second. What are th
const2013 [10]

Answer:

1st number: 22

2nd number: 16

3rd number: 64

Step-by-step explanation:

x + y + z = 102

x = 6 + y

z = 4y

plug that in!

(6 + y) + y + (4y) = 102

get rid of the parenthesis (I added them so you could see what I was replacing) and add like terms.

6 + 6y = 102

move 6 to the other side.

6y = 96

y = 16

now that you know one number, you can solve the equations for the rest!

x = 6 + (16)

z = 4(16)

__________________________________________________________

x = 22

y = 16

z = 64

6 0
2 years ago
During the Computer Daze special promotion, a customer purchasing a computer and printer is given a choice of seven free softwar
LiRa [457]

Answer:

120 ways

Step-by-step explanation:

To solve the question above, we use combination formula:

Where ;

nCr = n! / (n-r)! r!

10C7 = 10! / (10 - 7)! 7!

10C7 = 10! / 3! 7!

10C7 = (10 * 9 * 8) / 3 * 2 * 1

10C7 = 720 / 6

= 120 ways

4 0
4 years ago
Michael can mow a 250 ft2 lawn in 45 minutes. How many minutes long will it take Michael to mow his church’s 1500 ft2 lawn?
Ksju [112]
Should be 270 minutes because 1500 is 250 6 times so you do 45 minutes 6 times which ends up as 270
7 0
3 years ago
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