3 years ago

Please help! First answer that is correct wins Brainliest!

Mathematics

2 answers:

damaskus [11]3 years ago

5 0

Answer:

yes it is. flip the triangle over it has a right side

Lady_Fox [76]3 years ago

4 0

Yes because it has a right angle

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A random sample of the amounts for 22 purchases was taken. The mean was $42.97, the standard deviation was $22.82, and the m

Illusion [34]

Answer: a) 84 and b ) 2084

Step-by-step explanation:

Given : Sample standard deviation : s= $22.82

(Population standard deviation is unknown ) , so we use t-test.

Critical value or the 95% confidence intervals : $t_{n-1}*=2.0$

Formula to find the sample size :

$n=(\dfrac{t^*\cdot s}{E})^2$

a) E = 5

$n=(\dfrac{(2)\cdot 22.82}{5})^2$

$n=(9.128)^2=83.320384\approx84$

i.e. Required sample size : n= 84

b) E = 1

$n=(\dfrac{(2)\cdot 22.82}{1})^2$

$n=(45.64)^2=2083.0096\approx2084$

i.e. Required sample size : n= 2084

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2 years ago

2) Two full revolutions = how many degrees? I

VARVARA [1.3K]

Answer:

720 degrees

Step-by-step explanation:

one full rotation is 360 degrees

360 + 360 = 720

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3 years ago

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Four teachers by 10 origami books and 100 packs of origami paper for their classrooms they will share the cost of the Items equa

Tamiku [17]

$24 times 10 is $240 and $6 times 100 is $600 so 240+$600 is $840 then $840 devided by 4 is $210.

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3 years ago

486 divided by 19 <br><br><br> i need the remainder with answer

Goshia [24]

Answer:

25 remainder 11

Step-by-step explanation:

used a calc

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2 years ago

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What is the volume of this sphere?

JulsSmile [24]

<h3>Answer: 24416.64</h3>

Work Shown:

$V = (4/3)*\pi*r^3\\\\V \approx (4/3)*3.14*18^3\\\\V \approx 24416.64\\\\$

6 0

1 year ago

Please help! First answer that is correct wins Brainliest!​

Please help! First answer that is correct wins Brainliest!