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tensa zangetsu [6.8K]
3 years ago
9

Simplify the following expression by combining like terms 6y-23-y+72

Mathematics
1 answer:
raketka [301]3 years ago
8 0
The answer would be 5y+49
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Find the surface area of the pyramid shown to the nearest whole number. The base is a regular hexagon.
Fiesta28 [93]
The surface area of the pyramid will be given as follows:
Area of triangles:
A=1/2×base×height
A=1/2×12×18
A=108 m²
Area of 6 triangles is given by:
A=108×6=648 m²

Area of the hexagon:
A=6×1/2×12×6√3
A=374.123m²

Total surface area:
SA=648+374.123
SA=1022.123 m²~1022 m²

Answer: C] 1022 m²

8 0
3 years ago
I’ll give brainliest answer so i need to solve for y and convert these to slope intercept form.
Crazy boy [7]

Answer:

2. 9x+4y=16

    -9x        -9x

4y=-9x+16

----  ----  ----

4      4      4

y= -9x

     --- +4

      4

4. 4x+3y=-9

  -4x         =4x

     3y=-4x-9

     ---    --- ---

     3       3  3

y= -4x

    ---- - 3

      3

6. 7x-3y=6

  -7x      -7x

       -3y=-7x+6

        ---  ----   ---

       -3    -3    -3

y= 7x

   --- -2

    3

3 0
3 years ago
A slow pitch softball diamond is actually a square 60 ft on a side. how far is it from home to second ​base?
krek1111 [17]
For this case we have a square whose sides are known and equal to 60 ft.
 We want to find the diagonal of the square.
 For this, we use the Pythagorean theorem.
 We have then:
 d^2 = 60^2 + 60^2

d =  \sqrt{60^2 + 60^2}

 d =  \sqrt{3600 + 3600}

d = \sqrt{2*3600}

d = 60\sqrt{2}

 Answer:
 
from home to second ​base it is about:
 d = 60\sqrt{2} feet
3 0
3 years ago
Round your answer to the nearest tenth if necessary. Use 3.14 for it.
aliina [53]

Answer:

volume = 10,082.5 in³

Step-by-step explanation:

radius = 26/2 = 13

volume = πr²L = (3.14)(13²)(19) = 10,082.54 in³

6 0
3 years ago
Joe tracked the height of his Dalmatian puppy from age 13 weeks to 25 weeks. He graphed the data and determined the line of best
nadya68 [22]

Answer:

22.5 weeks

Step-by-step explanation:

y = 1.12x + 28.78 represents the height of the puppy.  Here that height is 54 cm:

Then 54 = y = 1.12x + 28.78

Combining the constants, we get 1.12x = 25.22.  Dividing both sides by 1.12, x turns out to be 22.5 weeks.

3 0
3 years ago
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