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iren [92.7K]
3 years ago
5

Estimate the percent of 19% of 72?

Mathematics
1 answer:
Viefleur [7K]3 years ago
5 0
\frac{19}{100}*72 =  \frac{19}{50}*36= \frac{19}{25}*18=  13,68
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Find a.b.c if one of the angles is 150
Zepler [3.9K]
Triangle has 180 degrees
1 side=180
Then 180-150= 30 degrees
30/2 (for the other two sides)= 15
So, 150 degrees, 15 degrees and 15 degrees.
So it’s probably an isosceles triangle as the two bottom angles are the same number of degrees

Hope this helps :)
3 0
3 years ago
Which best represents the equation of this circle ?
likoan [24]

The equation of a circle:

(x-h)^2+(y-k)^2=r^2

(h, k) - center

r - radius

Look at the picture:

center: (4, -2) → h = 4, k = -2

radius: r= 5

Substitute:

(x-4)^2+(y-(-2))^2=5^2\\\\(x-4)^2+(y+2)^2=25\to\boxed{B.}

3 0
3 years ago
Solve 10(1 + 3b) = −20, justifying each step with an algebraic property.
Delicious77 [7]
The correct answer is B = -1

10(1 + 3B) = -20

10 + 30B = -20

-20 - 10 = -30

30B = -30

B = -1


Hope this helps :)
4 0
3 years ago
Increase £15837.77 by 18.5%
labwork [276]

if we take £15837.77 to be the 100% and we increase it by 18.5%, that'll be 100% + 18.5% = 118.5%.

\begin{array}{ccll} \pounds&\%\\ \cline{1-2} 15837.77 & 100\\ x& 118.5 \end{array} \implies \cfrac{15837.77}{x}=\cfrac{100}{118.5} \implies (15837.77)(118.5)=100x \\\\\\ \cfrac{(15837.77)(118.5)}{100}=x\implies 18767.76\approx x

6 0
2 years ago
5. One ship sailed from Hawaii on a course represented by the equation 3 215 2 y x . Another ship left Tahiti on a course repres
Alex777 [14]
100000 I really don’t know to be honest
7 0
3 years ago
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