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ziro4ka [17]
3 years ago
9

A concrete mix calls for 3 buckets of sand for every gallon of water. How much water is needed for 1 bucket of sand?

Mathematics
1 answer:
mojhsa [17]3 years ago
8 0

Step-by-step explanation:

Write a proportion:

3 buckets / 1 gallon = 1 bucket / x gallons

Cross multiply and solve:

3x = 1

x = 1/3

You need 1/3 of a gallon of water.

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Solve for x in each of the equations or inequalities below, and name the property and/or properties used:
nordsb [41]

Answer

a) 3/4 x = 9

    x = \dfrac{9\times 4}{3}

    x = 12

b)  10+ 3x = 5x

     2 x = 10

        x = 5

c) a + x = b

       x = b - a

d) c x = d

      x =  \dfrac{d}{c}

e)  \dfrac{1}{2} x - g < m

     \dfrac{1}{2} x< m + g

              x  < 2( m + g)

f) q + 5 x = 7 x - r

   q + r = 2 x

      x = \dfrac{q + r}{2}

4 0
3 years ago
Translate the sentence into an inequality.<br><br> The sum of 7 and w is greater than 21.<br><br> ?
Alexeev081 [22]

Answer:

7+w \ge 21

remove the line under the arrow

7 0
2 years ago
Read 2 more answers
29x97 broken apart <br> need help now <br> Factors willl mark brainlyest
IgorC [24]

I don't know what you mean by "Broken apart," but I'll do my best...

20 x 90 = 1800

9 x 7 = 63

1800 + 63 = 1863

I hope this helped you! :)

6 0
2 years ago
Help me again pls :D sorry for the bother
matrenka [14]

Answer:

A

Step-by-step explanation:

2x2.5x3= 15

2x2.5x4.5=22.5

2.5x3x4=30

2.5x2x4=20

6 0
2 years ago
Read 2 more answers
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
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