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Viefleur [7K]
3 years ago
10

Help me please with this math question! giving brainliest to the correct answer

Mathematics
2 answers:
Gwar [14]3 years ago
5 0

Step-by-step explanation:

do 21×3.14= 65.94

then divide by 2 since its a semicircle

equals: 32.97

than find perimeter altogether

21+28+28+32.97= 109.97ft

mojhsa [17]3 years ago
5 0

Answer:

I think it is 109.97ft

Step-by-step explanation:

I hope you have a wonderful night + day :)

Hope this help!  

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can yall pls help me with this, it isn't that hard but i need to know how to solve it in steps and in how to narrow it down, ty.
marin [14]

Answer:

\frac{times}{days} = \frac{20}{5} = \frac{m}{30}

you need to be consistant when setting up the proportions. The times always need to be on top and the days needs to always on bottom.

Cross multiply and solve for the variable.

20(30) = 5(m)

600 = 5m

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So, in 30 days the theatre showed 120 movies.

4 0
2 years ago
Read 2 more answers
I need help with solving 20 divided by 15/16
stellarik [79]

Answer:

Rookie number my mans

Step-by-step explanation:

20 divided by 15/16 is 64/3

which simplified is 21.333....

but 64/3 turned into a mixed fraction is 21 1/3

8 0
2 years ago
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6. If HJ = 7x - 27, find the value of x.<br> HI= 3x-5<br> IJ= x-1
Gnom [1K]

Answer:

x=7

Step-by-step explanation:

 x-1

3x-5

______

4x-6

4x-6= 7x-27

-4x    -4x  

___________

   -6= 3x-27

  +27      +27

____________

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divide both 21 and 3x by 3

\frac{21}{3}  =  \frac{3x}{3}

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6 0
3 years ago
Which expression is equivalent to (2x^5 + 7x^3) - (5x^2 - 4x^3)
Basile [38]

Answer:

= 2x^{5} +11x^{3}-5x^{2}

0r

= -5x^{2} +11x^{3}+2x^{5}

Step-by-step explanation:

(2x^{5} +7x^{3} )-(5x^{2}-4x^{3}  )

= 2x^{5} +7x^{3} -5x^{2}+4x^{3}

= 2x^{5} +7x^{3} +4x^{3}-5x^{2}

= 2x^{5} +11x^{3}-5x^{2}

0r

= -5x^{2} +11x^{3}+2x^{5}

6 0
2 years ago
For homework, a teacher instructs her students to choose a county in their state for a social
kotykmax [81]

Answer:

they are dependent

Step-by-step explanation:

6 0
3 years ago
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