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Ivahew [28]
4 years ago
10

Which problem can be solved using this equation?

Mathematics
2 answers:
borishaifa [10]4 years ago
7 0
I dont understand this with the thing repeating itself 
Elena L [17]4 years ago
3 0

Answer

The answer is

D) Kyle's class is making banners for a fund raiser. Each banner takes

2

5

yard of material. They have 4 yards of material. How many banners can they make?

Step-by-step explanation:

Let b = number of banners

(

2

5

yd)b = 4 (total material available)


2

5

b = 4

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Gabe Amodeo, a nuclear physicist, needs 30 liters of a 60% acid solution. he currently has a 40% solution and a 70% solution. ho
ludmilkaskok [199]

x = liters of 40% solution

y = liters of 70% solution

Gabe needs 30 liters, so

x + y = 30

Each liter of 40% solution contributes 0.4x liter of acid; each liter of 70% solution contributes 0.7y liter of acid. Gabe needs a solution with concentration 60%, which from 30 liters amounts to a net volume of 0.6*30 = 18 liters of acid. So

0.4x + 0.7y = 18

Solve the system however you like. By substitution, we have

y = 30 - x

0.4x + 0.7(30 - x) = 18

0.4x + 21 - 0.7x = 18

3 = 0.3x

==> x = 10 ==> y = 20

7 0
3 years ago
Find the sum of the geometric sequence. (1 point) 1, 1/2, 1/4, 1/8, 1/16
ASHA 777 [7]
Sn  = a1 * (1 - r^n)
                 ----------
                   1 - r

n = 5   so answer  =

   1 * (1 -  (1/2)^5
        ---------------  =       31/16  
               1 - 1/2
           
8 0
4 years ago
Read 2 more answers
How many one third cup serving are in 12 cups of pecans
Dovator [93]

Answer:

36

Step-by-step explanation:

6 1/3 cups served is 18 so add another 18

6 0
3 years ago
A farmer has 60 bales of hay stored in his barn. He feeds his cows 4 bales each day. Which graph represents the number of bales
ycow [4]
What you must do for this case is find a function that suits the problem and graph it.
 We have:
 y: the number of bales in the barn
 x: days feeding his cows.
 y = -4x + 60
 see graphic attached.

4 0
3 years ago
Generate an integer. Explain the meaning of zero. Drop of 200 feet
dsp73
It depends how high it is
6 0
3 years ago
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