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shepuryov [24]
3 years ago
13

1 The formula for the area of a triangle is

Mathematics
2 answers:
katrin [286]3 years ago
7 0

Answer:

The formula of area of triangle= ½ base×height

drek231 [11]3 years ago
3 0

Answer:

5.5cm

Step-by-step explanation:

22= (1/2)(8)(b)

22=(4)(b)

22/4= 5.5

b=5.5

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I need help for #1 (an explanation would be great too).
Ivan

Answer:

±6i√2

Step-by-step explanation:

Recall that the square root of a negative number is imaginary, which is shown by the use of "i."

Examples:  √4 = ±2; √4 = i√4 = ±i2

Then √72 = ±√36√2 = ±6√2, and

   

      √(-72) = ± i√36√2 = ±6i√2

         

Note that this is identical to the result shown in the problem:  √(36·2·(-1) )

5 0
3 years ago
What is the volume of a rectangular prism<br> 8 inches long, 5 inches wide, and 2 inches high?
Ivahew [28]

Answer:

132 Cubic Inches, Search up how to find the the surface area for rectangular prism it helps!

5 0
3 years ago
A clock's battery is running low. Every 6 hours, it slows down by 1 hour. By how much does it slow down in 1 hour?
mafiozo [28]
It would divide 1/6 which would translate into 0.16 with a repeating 6. I can’t do the work :(
sorry. hope it helped
7 0
3 years ago
Read 2 more answers
Given that h(x) = 3x −19, find the value of x that makes h(x) = 71.
rosijanka [135]

Keywords:

<em>Equation, variable, value, clear </em>

For this case we have an equation with a variable of the form y = h (x). Where h (x) = 3x-19. Given the value ofh (x) = 71, we want to find the value of the variable "x". So, we have:

h (x) = 3x-19\\71 = 3x-19

We must clear "x", for this, we add "19" to both sides of the equation:

71 + 19 = 3x-19 + 19\\90 = 3x

We divide between "3" on both sides of the equation:

\frac {90} {3} = \frac {3x} {3}\\30 = x

Thus, the value of the variable "x" is 30.

Answer:

x = 30

Option A

6 0
3 years ago
Read 2 more answers
To the nearest hundredth, what is the value of x? <br> 36.08<br> 41.51<br> 47.81<br> 72.88
Crazy boy [7]

Answer:

B

Step-by-step explanation:

Using the law of sines, we can make a proportion.

But first, we'll need to solve for the unknown angle.

We add up the two known angles and subtract that by 180.

90 + 41 = 131

180 - 131 = 49

So the unknown angles is 49.

Then, we can use the law of sines.

Make the equation.

sin(90)/55 = sin(49)/x

Simplify this using a calculator and you get around 41.51 or option B.

5 0
3 years ago
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