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levacccp [35]
3 years ago
8

Please help i have 2 questions thank you

Mathematics
1 answer:
katrin [286]3 years ago
8 0
1. second option
2. first option
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Help due soon plss!!!!
Gelneren [198K]

Answer:

Cube=150cm^2

Triangular Prism=228ft^2

Step-by-step explanation:

Cube

A=6a^2=6*5^2=150cm^2

Triangular prism

Using these formulas

A=2A_{B}+(a+b+c)h\\A_{B} =\sqrt{s(s*a)(s*b)(s*c)} \\s=\frac{a+b+c}{2}

Solving for A

A=ah+bh+ch+\frac{1}{2} \sqrt{-a^4+2(ab)^2+2(ac)^2-b^4+2(bc)^2-c^4} \\=6.5*11+5*11+6.5*11+\frac{1}{2} *\sqrt{-6.5^4+2*(6.5*5)^2+2*(6.5*6.5)^2-5^4+2*(5*6.5)^2-6.5^4} \\=228ft^2

5 0
2 years ago
Plezz help what is the answer to 3c-4c+1=5c+2+3
Minchanka [31]
Hey download photomath it works great u take a picture of your math problem and itll give u the steps n the answer
6 0
3 years ago
Raymond can type 40 words each minute. How many words can he type in 8 minutes?
Phantasy [73]

Answer:

320

Step-by-step explanation:

320 words per minute 40x8=320

3 0
2 years ago
Read 2 more answers
Evaluate 6y + x5<br> When x = -3, y = -5<br><br> please help &lt;33 current failing:(
Radda [10]

Answer:

-35

Step-by-step explanation:

if you take 6 x -5 ( y ) then -3 x 5 ( x ) then add them together then you get -35.

8 0
3 years ago
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Quadrilateral ABCD is reflected across the y-axis and translated 1 unit down to create quadrilateral EFGH .
sleet_krkn [62]
GH is parallel to FE
8 0
3 years ago
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