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Andrej [43]
3 years ago
5

How do I work this problem out? S= 2(lw+ lh+ wh)

Mathematics
1 answer:
ANTONII [103]3 years ago
7 0
First, and most important, you must know what the question is. You haven't told us what the question is, and a gray cloud hangs like a dark mist over the problem, giving the unmistakable impression that you're not too sure of it yourself.
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What is the length, in centimeters, of the hypotenuse of a right triangle with legs measuring V2 cm and 3 cm?​
WINSTONCH [101]

Answer:

\sqrt{13}

Step-by-step explanation:

A is the hyp. And b/c are the sides

A²=b²+c²=3²+2²=9+4=13

Now take the square root of 13 as the answer

5 0
3 years ago
A batman costume costs $20. A harlequin costume costs twice as much as the batman costume. How much does a harlequin costume cos
Gnoma [55]

Answer:the harleyquin costume would cost 40 $

Step-by-step explanation: as given the batman costume costs 20$. so 20 times 2 equals 40$.

20*2= 40$

6 0
3 years ago
Read 2 more answers
Suppose that salaries for recent graduates of one university have a mean of $25,700 with a standard deviation of $1350. Using Ch
sergeinik [125]

Answer:

75% of the data will reside in the range 23000 to 28400.

Step-by-step explanation :

To find the range of values :

We need to find the values that deviate from the mean. Since we want at least 75% of the data to reside between the range therefore we have,

1 - \frac{1}{k^2} =\frac{75}{100}

Solving this, we would get k = 2 which shows the value one needs to find lies outside the range.

Range is given by : mean +/- (z score) × (value of a standard deviation)  

⇒ Range : 25700 +/- 2 × 1350

⇒ Range : (25700 - 2700) to (25700 + 2700)

Hence, 75% of the data will reside in the range 23000 to 28400.

3 0
3 years ago
One fifth the total of a number and 4 is 2, find the number
Afina-wow [57]

Answer:

-10

Step-by-step explanation:

(1/5)x+4=2

5(1/5)x+4=2)

x+20=10

x = -10

4 0
3 years ago
Arnoldo needs to write this system in slope-intercept form. Which shows how he could do that? 3 x minus 2 y = 6. 0.4 (20 y + 15)
kotegsom [21]

Answer:

  y = three-halves x minus 3

Step-by-step explanation:

Subtract 3x from both sides of the original equation.

  -2y = -3x +6

Divide by -2

  y = 3/2x -3

4 0
3 years ago
Read 2 more answers
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