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german
3 years ago
13

Calculate the area of the following shape

Mathematics
1 answer:
ra1l [238]3 years ago
6 0

Answer:   PLEASE DONT REPORT ME!

Step-by-step explanation:

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I would like a Brainiac to help me with this thing - Thanks!
klemol [59]
Lateral surface area = (23×12.04)+(23×8)+(23×9)
= 276.92 + 184 + 207
=667.92
= 668m²

Total surface area = 668 + 1/2(2×8×9)
= 668 + 72
= 740m²
7 0
3 years ago
42°<br> X Х<br> x =<br> degrees<br> tar<br><br> PLEASE HELP ITS URGENT
Tema [17]

Answer:

x = 48°

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°, thus

x = 180° - (90 + 42)° = 180° - 132° = 48°

5 0
3 years ago
Solve the quadratic equation 3x²+x-5=0
PIT_PIT [208]
This does not look easy to factor, so I'd suggest using the quadratic formula:
        -1 plus or minus sqrt( 1-4(3)(-5) )
x = -----------------------------------------------
                               2*3

         -1 plus or minus sqrt(61)
    = ------------------------------------
                             6

Thus, there are 2 real, unequal, irrational roots / solutions.
8 0
3 years ago
What is the simplified form of the expression?
Oduvanchick [21]

Answer:

the third one

6a^{5} - 3a^{3} - 5a^{2} - 3b^{3}

Step-by-step explanation:

4 0
3 years ago
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⚠️PLEASE ANSWER 8TH GRADE MATH⚠️ questions 5,6,7
yawa3891 [41]

Answer:

6, 10, 5

Step-by-step explanation:

5 0
3 years ago
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