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Scorpion4ik [409]
2 years ago
14

Plsss answer the questions​

Mathematics
1 answer:
Ugo [173]2 years ago
6 0

Answer:

1) (7x - 8) - (2x + 4)

= 7x - 8 - 2x - 4

= 5x - 12

2) (8x - 6y) - (2x - y)

= 8x - 2x -6y + y

= 6x - 5y

3) (12xy + 5y) - (23xy - 3y)

= 12xy - 23xy + 5y + 8y

= -11xy + 13y

= 13y - 11xy

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Does anyone know this answer
VladimirAG [237]

Answer:

60 degrees

Step-by-step explanation:

The two legs are not equivalent pointing to a 30-60-90 triangle which means x=60 degrees

4 0
3 years ago
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What is the last digit of
yKpoI14uk [10]

Step-by-step explanation:

When a number is multiplied by 5, the last digit of the product must be 0 (mod 5).

=> Last digit = 0 or 5.

Since 0 is not an option here, the answer must be 5. (C)

4 0
3 years ago
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Would you rather have a cup of ice cream that hold last a volume of 21.21 inches or a cone that has a radius of 1.5 inches and h
blagie [28]

Answer:

I will prefer the cone having volume 21.21 cubic inches.

Step-by-step explanation:

A cup of ice cream holds ice cream = 21.21 cubic inches

Since volume of a cone = Capacity of the cone to hold the ice cream

Volume of an another cone having radius (r) = 1.5 inches and height (h) = 3 inches will be,

         V = \frac{1}{3}(\pi)(r^{2} )(h)

           = \frac{1}{3}(\pi )(1.5)^{2}(3)

           = 7.069

           ≈ 7.07 cubic inches

Since the volume of the second cone is less than the first cone, I will prefer the first cone with volume = 21.21 inches³

6 0
3 years ago
8. What is the solution of the equation 4x + 12 = 48 ?
romanna [79]

Answer:

A) x=9

Step-by-step explanation:

48-12=36.

36/4=9

More detailed explanation:

4x+12=48

    -12    -12

     4x = 36

     /4     /4

     x   =    9

4 0
3 years ago
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How many ninths does it take to make the same amount as 1/3.
Tems11 [23]

It takes 3/9 to make 1/3.

You multiply the 1 (in 1/3) by 3, and you multiply the 3 (in 1/3) by 3. You get 3/9. You needed to multiply by 3 to make 1/3 have a common denominator is 9.

7 0
3 years ago
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