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Angelina_Jolie [31]
2 years ago
6

Help me pls 20 POINTS

Mathematics
1 answer:
Tema [17]2 years ago
6 0

Answer:

bottom =80m^2

Side =50m^2

triangle = 3 ×8 ×5

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Can someone please help me with 10-16 it’s due tomorrow!!! Please
VMariaS [17]
10) V=πr² *h= π*10²*12≈3770
11) V=A(base)*h= (3√3/2)*(9²)*10=2104
A(base)=(P*a)/2=(6*9*3√3)/2=9*9*3√3/2

12)V=πr² *h=π*18² *6≈6107
13)V=4*3*12=144
14) h(triangle)=√(5²-3²)=√16=4
A(base)=(3*4)/2=6
V=A(base)* height (prism)=6*2=12
15)  V=A(base)*h= (3√3/2)*(6²)*11= 1029
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3 years ago
Explain what can happen if you line up the digits incorrectly when you rewrite addition problems
Natali [406]
You will get the incorrect answer because lining up the digits when adding or subtracting is important but it isn’t needed for multiplying.
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3 years ago
Gavin and Caleb go to the movie theater and purchase refreshments for their friends. Gavin spends a total of $22.25 on 2 bags of
gavmur [86]

Answer:

Drinks = 6.75

Popcorn= 1

Step-by-step explanation:

Let the popcorn = P

Let the drink = D

2*P + 3*D = 22.25         multiply this equation by 6

12*P + 4D = 39.00

<u>12P + 18D = 133.5</u>          Subtract these two equations

- 14D = - 94.50               Divide by -14

-14D/-14 = -94.5/-14        Do the division

D = 6.75

=========================

12P  +  4D = 39            Substitute for D

12P + 4*6.75 = 39        Combine

12P + 27 = 39               Subtract 27 from both sides

12P + 27-27=39-27      Collect like terms

12P = 12                        Divide by 12

12P/12 = 12/12

P = 1                               Answer

8 0
3 years ago
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3 years ago
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joseph and patrick purchase school supplies in the book store. Joseph purchases four notebooks and three pens for $10.65. Patric
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I think it is going to be 3.55 for each notebook and 1.9 for each pen

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