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bonufazy [111]
3 years ago
14

Use distributive property to solve 5(2x+3y+5z)

Mathematics
2 answers:
Stels [109]3 years ago
7 0
10x+15y+25z you just distribute
lara [203]3 years ago
4 0
5*2x is 10x
5*3y is 15y
5*5z is 25z
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how many pounds of coffee worth $10 a pound should be added to 20 pounds of coffee worth $4 a pound to get a mixture worth $5 a
Solnce55 [7]

Answer:

4

Step-by-step explanation:

1. if the mass of coffee worth $10 is 'x', then its worth is 10x, and the worth of the mixture is 5(x+20);

2. using the previous item it is possible to write the next equation:

5(x+20)=4*20+10*x; ⇒ x=4.

3. the required mass is 4 pounds.

5 0
3 years ago
Which equation has an a-value of 1, a b-value of –3, and a c-value of –5?
ANTONII [103]

Answer:

answer is first option

{x}^{2}  -3x - 5 = 0

wherein, a = 1, b = -3, c = -5

8 0
3 years ago
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To borrow​ money, you pawn your guitar. Based on the value of the​ guitar, the pawnbroker loans you ​$1080. One month​ later, yo
Serhud [2]

The annual rate interest: r = 640.2%

4 0
3 years ago
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I have $25 all in nickels and dimes. There are twice as many Nickles as dimes. How many of each are there?
Mama L [17]

Answer:

N=250

Step-by-step explanation:

 "twice as many nickels as dimes"     means    N =2D     [eq1]

 "collection of nickels and dimes is worth $25"    means

        5N + 10D = 2500      [eq2]

   (To avoid using decimal points, PLZ express everything in cents.)

Substitution   (substitute N from eq1 into eq2]:

     5(2D) + 10D = 2500

      10D + 10D = 2500

          20D = 2500

            D = 125

      N=2D         [eq1 again]

      N=2(125)

      N=250

Check:

  Is   5(250) + 10(125) = 2500   ?

        1250 +  1250 = 2500   ?

          2500 = 2500   ?yes

7 0
3 years ago
What is the correct unit for this triangle??
natita [175]
The correct unit for this triangle would be cm. Hope this helps!
8 0
3 years ago
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