3 years ago

Need help with this one

Mathematics

1 answer:

tiny-mole [99]3 years ago

6 0

Answer: The perimeter of triangle ABC is p = 21.8 units

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Stephanie just redecorated her bedroom. She wants to paint but needa to know the surface area of the door to see if she has enou

zhuklara [117]

Answer:

The surface area of door is 33 680 cm².

Step-by-step explanation:

Given that the surface area of a cuboid which is the 3D of rectangle is :

$s.a = 2(l \times w) + 2(l \times h) + 2(w \times h)$

$let \: l = 80 \\ let \: w = 3 \\ let \: h = 200$

$s.a = 2(80 \times 3) + 2(80 \times 200) + 2(3 \times 200)$

$s.a = 2(240) + 2(16000) + 2(600)$

$s.a = 480 + 32000 + 1200$

$s.a = 33680 \: {cm}^{2}$

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3 years ago

Here is an expression<br> 3x2t <br> if the value of the expression is 96, what is t?

ICE Princess25 [194]

96 is= 6 that’s the answerrrrr

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3 years ago

A customer placed an order for muffins.The Baker has completed 37.5% of the order after baking 81 muffins. How many muffins did

IceJOKER [234]

81 divided by 37.5 equals 2.16, 2.16 would be equivalent to 1% so to find 100% we simbly multiply 2.16 by 100, 2.16 multiplied by 100 equates to 216, so the Baker is making 216 muffins.

If this is a word problem, put it into your own words in case of getting in trouble.

I hope this helped, have an awesome day!!

(brainliest is always appreciated)

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3 years ago

Log2x (2x^2+8x-6) =2

irinina [24]

Answer:

$2x^3+8x^2-3x=0$