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Brilliant_brown [7]
2 years ago
13

What is 80% rounded to the nearest tenth?

Mathematics
1 answer:
Sauron [17]2 years ago
5 0

Answer:

80

Step-by-step explanation:

the 80 is the tenth part so you do nothing its a trip up qustion

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the lenght of an arc in a circle with diameter 10 inches is 1.25π inches. determine the measure of the arc.​
Luda [366]

Answer:

the \:  angle \:  is \:  0.25\pi

Step-by-step explanation:

the arc length is equal to the radius x angle (in radians)

s=ra

s= arc length, r= radius and a= the angle

solve for a ; a= s/r; a=

1.25\pi/5

4 0
2 years ago
Plz help need help fast A rectangular prism has a length of 1 1/2 m, a width of 3 m, and a height of 5 1/2 m.
yuradex [85]
The volume is nine wholes and 3/4 or 9  3/4
6 0
3 years ago
Does anyone know the answer to this!?
PolarNik [594]

Answer:

|A_y|=\left|\begin{array}{cc}12&7\\ \\17&-51\end{array}\right|

Step-by-step explanation:

You can use these Cramer's formulas to solve for x and y:

x=\dfrac{|A_x|}{|A|},\\ \\y=\dfrac{|A_y|}{|A|},

where

|A|=\left|\begin{array}{cc}12&-13\\ \\17&-22\end{array}\right|\\ \\ \\|A_x|=\left|\begin{array}{cc}7&-13\\ \\-51&-22\end{array}\right|\\ \\ \\|A_y|=\left|\begin{array}{cc}12&7\\ \\17&-51\end{array}\right|

So,

|A_y|=\left|\begin{array}{cc}12&7\\ \\17&-51\end{array}\right|

4 0
3 years ago
Joey is saving up for a down payment on a car. He plans to invest $2,000 at the end of every year for 3 years. If the interest r
____ [38]
A=Annual amount=2000
i=annual interest=0.0205
n=number of years=3
Present value
=A((1+i)^n-1)/(i(1+i)^n)
=2000(1.0205^3-1)/(.0205(1.0205^3))
=5762.15
5 0
3 years ago
Read 2 more answers
Convert the rectangular coordinates to polar coordinates with
NikAS [45]

Given:

Rectangular coordinate = (8, 6)

To convert:

Rectangular coordinate to polar coordinate with r > 0 and 0 ≤ θ < 2π.

Solution:

Let us find r:

r=\sqrt{x^{2}+y^{2}}

r=\sqrt{8^{2}+6^{2}}

r=\sqrt{100}

r = 10

Now, find θ:

$\tan \theta=\frac{y}{x}

$\tan \theta=\frac{6}{8}

Cancel the common factor 2.

$\tan \theta=\frac{3}{4}

$\theta=\tan^{-1} \left(\frac{3}{4}\right)

θ = 36.87°

The polar coordinates are (r, θ) = (10, 36.87°).

6 0
2 years ago
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