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aev [14]
3 years ago
15

What is the ricipical of -2/9

Mathematics
2 answers:
yan [13]3 years ago
8 0
Hey there!

The reciprocal of -2/9= 9/2

Because <span>To </span>get<span> the </span>reciprocal of a fraction<span>, just turn it upside down. In other words, swap over the Numerator and Denominator.

Hope this helps!
</span>
Solnce55 [7]3 years ago
7 0
The recipricol of -2/9 is 9/2, or  4 1/2


remember to change the sign (forgot to myself)

hope this helps
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The area of a circle is 28.26 square centimeters. What is its diameter (use 3.14 for ð)?
horsena [70]
Area for circle is  πr² so πr² =28.26 and we can sub 3.14 as pi
3.14*r²=28.26 we can divide by 3.14 to get r² on it's own
r²=28.26/3.14
then we root both sides to get r on it's own
28.26/3.14=9 √9=3
and the diameter is double the radius 3*2=6 so the diameter is 6

5 0
2 years ago
A construction company built a scale model of a building. The model was built using a scale of 3 inches = 32 feet. If the buildi
Vlad1618 [11]

Let x represent the height of the model.

We have been given that a construction company built a scale model of a building. The model was built using a scale of 3 inches = 32 feet. We are asked to find the height of the model, if  the building is expected to be 200 feet tall.

We will use proportions to solve our given problem as:

\frac{\text{Model height}}{\text{Actual height}}=\frac{\text{Model length}}{\text{Actual length}}

Upon substituting our given values, we will get:

\frac{x}{200\text{ ft}}=\frac{3\text{ in}}{\text{32 ft}}

\frac{x}{200\text{ ft}}\times 200\text{ ft}=\frac{3\text{ in}}{\text{32 ft}}\times 200\text{ ft}

x=3\text{ in}\times 6.25

x=18.75\text{ in}

Therefore, the model will be 18.75 inches tall.

7 0
2 years ago
What are all the factors of 27
kicyunya [14]
The factors of 27 is as follows:
1,3,9, and 27
or
1×27
and
3×9
7 0
3 years ago
What is total 14.56 plus tip 15% plus tax7%.
Alexandra [31]
Hi,
The total amount is 17.91608
How I got my answer:
100 + tip%/100 * 14.56 = amount with tips
100 + 15/100 * 14.56
115/100 * 14.56
1.15 * 14.56 = 16.744
100 + tax%/100 * amount with tips = total amount
100 + 7/100 * 16.744 = total amount
107/100 * 16.744 
1.07 * 16.744
17.91608 = total amount
Hope this Helps you.

5 0
3 years ago
Why do I have to go to school after the 16 I thought that’s when we don’t goats?
Y_Kistochka [10]
Because school is lame
6 0
2 years ago
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