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dem82 [27]
3 years ago
5

Use mental math to find the sum. 80+40+170

Mathematics
2 answers:
ICE Princess25 [194]3 years ago
8 0

Answer:

290

Step-by-step explanation:

If you like my answer than please mark me brainliest thanks

MissTica3 years ago
6 0

Answer:

290

Step-by-step explanation:

80+40=120

120+170=290

290

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Step-by-step explanation:

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3 years ago
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A factory's worker productivity is normally distributed. one worker produces an average of 77 units per day with a standard devi
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4 0
3 years ago
Need help with math. I will give brainliest!!!!!!
Mice21 [21]

Answer:

~~

Step-by-step explanation:

Ok so first 2.4 will have to be changed to 24 which means we multiplied it by ten making it 24/10 since it is tan it is opposite side/ adjacent side so your one of your legs will be 24 and one will be 10. Now we just plug that into the Pythagorean Theorem to find the hypotenuse and we get 26. The area is 24b10/2=120 the area is 120.

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Read more on Brainly.com - brainly.com/question/12450752#readmore

5 0
3 years ago
14-(-5x)+2x-(-32)+4z-2x
castortr0y [4]
-5x + 46 +4z
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-5x + 2x = -3x
-3x + -2x = -5x
14 - (-32) = 46
4z is left alone since it doesn't have a like term.
6 0
3 years ago
What is the approximate area of a circle with a radius of 14 centimeters
Nostrana [21]

Answer:

\pi \times r ^{2}  \\ \pi \times 14 \times 14 \\  = 615.75cm ^{2}

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3 years ago
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