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jarptica [38.1K]
3 years ago
5

1 million + 1 million​

Mathematics
2 answers:
natka813 [3]3 years ago
7 0

Answer: 200,000,000 or 2 million

Step-by-step explanation:

GREYUIT [131]3 years ago
5 0

Answer:

2 million LOL

Step-by-step explanation:

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A rectangular lawn has area 140 square yards. Its length is six less than twice the width. What are the width and length of the
Gwar [14]

Answer:

width = let width be w

area = 140

length = 2w-6

Area of a rectangle = l*b

⇒ 2w-6*w=140

⇒ 2w^2-6=140\\2w^2 = 146\\w^2 = 146/2\\w^2 = 73\\w = \sqrt{73}

4 0
3 years ago
A simple random sample of 100 men is chosen form a population with mean height 71 in and standard deviation 2.5 in. What is the
ankoles [38]

Answer:

2.28%

Step-by-step explanation:

The z score is used to determine how many standard deviations that the raw score is above or below the mean. If the z score is positive then the raw score is above the mean and if it is negative then it is below the mean. It is given by:

z=\frac{x-\mu}{\sigma}\\ \\\mu = mean, \sigma=standard\ deviation,x=raw\ score\\\\For\ a\ sample\ n\\\\z=\frac{x-\mu}{\sigma/\sqrt{n} }\\\\For\ x

5 0
4 years ago
The perimeter of a triangle is 60 inches. If the sides of the triangle are 2x, 3x, and 5x, find the length of the shortest side.
Ira Lisetskai [31]
2x + 3x + 5x = 60
10x = 60
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6 0
4 years ago
Read 2 more answers
The area of a rectangular baking sheet is 25 square inches. The base of the sheet is 10 inches. What is the height?
padilas [110]

Answer:

I believe is 250 in.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Find the value of sin(a/2) if cosa= 12/13<br>​
daser333 [38]

Answer: sin\frac{a}{2} = ± \frac{1}{\sqrt{26} }

Step-by-step explanation:

We very well know that,

cos2A=1−2sin²A

⟹ sinA = ±\sqrt{(1-} \frac{cos2A}{2} )

As required,  set A = \frac{a}{2}   &   cos a=  \frac{12}{13}    ,thus we get

sin \frac{a}{2} =± \sqrt{\frac{1-cos a}{2} }  

∴ sin\frac{a}{2} =±\sqrt{\frac{1-\frac{12}{13} }{2} } = ± \frac{1}{\sqrt{26} }

   since ,360° < \frac{a}{2} <450°

             ,180° < \frac{a}{2} <225°

Now, we are to select the value with the correct sign. It's is obvious from the above constraints that the angle a/2 lies in the III-quadrant where 'sine' has negative value, thus the required value is negative.

hope it helped!

   

5 0
3 years ago
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