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Natalija [7]
3 years ago
5

Craig and Alissa are building a sandcastle on the beach. They each have a bucket. Craig holds 1/2 in his bucket and Alissa holds

9/10 in her bucket. How much sand can Craig and Alissa collect together one time
Mathematics
1 answer:
denpristay [2]3 years ago
5 0

Answer:

1 2/5

Step-by-step explanation:

do 1/2+9/10

(lcm) 5/10+9/10

14/10

(simplfy)7/5

mixed fraction=1 2/5

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100/5 = 20.

But, I'm not really sure how you want to do this.
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In a lab, a 30% acid solution is being mixed with a 5% acid solution to create a 10% acid solution. What is the ratio of the amo
kupik [55]

1:4 is the answer to the question.

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Matthew is 5 years older than twice the age of his sister. if matthew 13, how old is sister
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I know it’s a lot to ask but please show your work so I know how to do it. Thank you!
jonny [76]

Answer:

The answer to your question is below

Step-by-step explanation:

Use trigonometric functions to find x

13.  cos 40 = 5/x

     x = 5 / cos 40

     x = 5 / 0.766

     x = 6.5

14. tan 25 = x/9

     x = 9tan 25

     x = 9(0.466)

     x = 4.2

15.- cos 65 = x/12

      x = 12 cos 65

      x = 12 (0.423)

      x = 5.1

16.- sin 32 = 15/x

      x = 15 / sin 32

      x = 15 / 0.53

      x = 28.3

17.- tan 55 = 20 / x

      x = 20 / tan 55

      x = 20 / 1.42

      x = 14

18.- sin31 = x / 18

     x = 18 sin 31

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     x = 9.3

8 0
3 years ago
Multiply (3x – 1)(5x – 9) Show work Please
Murljashka [212]

Answer:

15x^2-32x+9

Step-by-step explanation:

(3x – 1)(5x – 9)

FOIL

first: 3x*5x= 15x^2

outer: 3x(-9) = -27x

inner: -1(5x) = -5x

last: -1(-9) = 9

Add them together

15x^2 -27x-5x +9

Combine terms

15x^2-32x+9

6 0
2 years ago
Read 2 more answers
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