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Vera_Pavlovna [14]
3 years ago
15

Help I'm really stuck!!!

Mathematics
2 answers:
faust18 [17]3 years ago
5 0
399.6 square meters
7•8/2=28
28•3=84

8•6.9/2=27.6

(12•8)•3=288

84+27.6+288=399.6
jek_recluse [69]3 years ago
3 0
336.6580 I know this because of u do the math u get this
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Simplify (x^8/64)^1/2<br> The answer is x^4/8 but can you please show me how to get the answer.
navik [9.2K]

Answer:

Step-by-step explanation:

Whenever you have exponents raised to another exponent, you multiply the exponents!

3 0
4 years ago
Mike traveled to Greensboro by car. Going there took 6 hours, and the return trip was four hours. Mike averaged a speed of 81 mi
Marat540 [252]

Answer: 64.8 mph

Step-by-step explanation:

Given

Arriving time is 6 hours

return time is 4 hours

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the average speed of the entire trip is

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4 0
3 years ago
Use pi=3<br> Calculate the area of a circle with a diameter of 10cm
GalinKa [24]
Area of a circle is 75 cm².

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7 0
3 years ago
Plz do have mercy and help me
Nikitich [7]
I have mercy:

8x and 9x+5 (the angles) form a right angle so 8x+9x+5=90 which means x is 5 and plugging it back into the angles 8x we get 40 sinceBHR and angle 8x are vertical angles they are equal to each other and so it's equal to 40
4 0
3 years ago
State how many solutions, 3 + 2x + 1 = 2x + 3
AlexFokin [52]

Answer:

Step-by-step explanation:

3 + 2x + 1 = 2x + 3

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4 ≠ 3

no solution

5 0
4 years ago
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