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NISA [10]
3 years ago
10

A piece of art is in the shape of a equilateral triangle with sides of 17 in what is the area of the piece of art to the nearest

tenth
Mathematics
2 answers:
Oksi-84 [34.3K]3 years ago
5 0

144.5

Step-by-step explanation: It would be 144.5 because you use the side lengths to plug into the formula for finding an area of a triangle ( base multiplied by height multiplied by half.) so : 17 x 17 x 1/2

Oxana [17]3 years ago
5 0

The answer is 125.1 in.^2.

I used a calculator to determine the height of the triangle and then used the formula to find the area of a triangle, 1/2*base*height.

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Solve the inequality algebraically. Write the solution in interval notation.<br> |9x + 10| &lt; 15
viva [34]

The given inequality is

| 9x+ 10 |

First we need to remove the absolute sign , and when we do so , we will get a compound inequality, that is

-15< 9x+10 < 15

To solve for x, first we need to get rid of 10. and for that, we have to do subtraction

-15-10

Now we need to get rid of 9, and for that, we do division

\frac{-25}{9}< x< \frac{5}{9}

So the required solution is

( \frac{-25}{9} , \frac{5}{9})

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3 years ago
Find a number so that 97.3% of it is 36
tiny-mole [99]
So x is the number
x time 97.3%=36
percent measn parts out of 100 so
97.3%=97.3/100=9.73/10=0.973/1=0.973
x times 0.973=36
divide both sides by 0.973
x=36.9989...
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7 0
3 years ago
If the length of room is four times the height and breadth is twice of its height and the volume of the room is 512 m^2 find its
lisov135 [29]

Let  \: x  \: (x>0)  \: be \:  the \:  height \Rightarrow the \: width, length: 2x,4x \\ Volume:V=hwl = 512 \\ \Leftrightarrow x2x4x = 512 \\ \Leftrightarrow 8{x }^{3}  = 512 \\\Leftrightarrow  {x}^{3}  = 64 \\ \Leftrightarrow x = 4 \\ \Rightarrow The \:  height \: is \: 4 \: m, the \: width \: is \: 8 \: m

8 0
4 years ago
Find the value of the missing coefficient in the factored form of 27f^3 + 125g^3. 27f^3+125g^3=(3f+5g)(9f^2-?fg + 25g)^2
7nadin3 [17]

Answer:

15

Step-by-step explanation:

The formula for factoring a sum of cubes is:

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We have a=3f and b=5g here.

So a*b in this case is 3f*5g=15fg.

The ? is 15.

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ella [17]

Answer:

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Step-by-step explanation:

A negative slope makes the line face leftward so that leaves a and b.

4 0
3 years ago
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