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MariettaO [177]
2 years ago
6

What is the answer to 5^2 (72-45)/5

Mathematics
2 answers:
gregori [183]2 years ago
7 0
{5^2 (72 -45)}/5
= ( 5×5 × 27)/ 5
= 135.
3241004551 [841]2 years ago
4 0
5^2(72-45)/5
5^2(27)/5
5^54/5
5^10.8
146,932.81

so uh yeah. i hope this helps but if not you can't say i didn't try. 
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The endpoints of DE and D(-3, y) and x, 6). The midpoint of DE is M(4,2). What is the length of DE.
Natasha_Volkova [10]

If the endpoints of DE where D(-3, y) and E(x, 6) with the midpoint M(4, 2), the length of DE is 16.12 units

The formula for calculating the midpoint is expressed as;

M(x,y)=(\frac{x_1+x_1}{2}, \frac{y_1+y_2}{2})

For the x-coordinate points:

X = -3+x/2

4 * 2 = -3 + x

8 = -3 + x

x = 8 + 3

x = 11

Get the value of y;

2 = y+6/2

y+6 = 2 * 2

y + 6 = 4

y = 4 - 6

y = -2

Hence the coordinates of D and E are D(-3, -2) and E(11, 6)

D=\sqrt{(6-(-2))^2+(11-(-3))^2}\\D=\sqrt{8^2+14^2}\\D=\sqrt{64 + 196}\\D=   \sqrt{260}\\D= 16.12units

Hence the length of DE is 16.12 units

Learn more here; brainly.com/question/22624745

3 0
2 years ago
A radio station broadcasts programs and commericals 20 hours everyday. The ratio of the time spent on commercials to the program
Vanyuwa [196]
The answer is 4 hours

p -<span> the programming time
</span>c - time spent on commercials

<span>A radio station broadcasts programs and commercials 20 hours everyday:
p + c = 20

</span><span>The ratio of the time spent on commercials to the programming time is 1:4.
c : p = 1 : 4
p = c * 4 : 1
p = 4c

p + c = 20
p = 4c
_____
4c + c = 20
5c  = 20
c  = 20 : 5
c = 4h</span>
7 0
3 years ago
Hello good day <br>can you help me please:(​
iVinArrow [24]

Answer:

31. A

32. D

33. B

4 0
1 year ago
For f(x)=3x+1 and g(x)=x^2-6 find (fog)(4)
m_a_m_a [10]
F(x) = 3x+1
G(x) = X^2 - 6
F(G(x)) = F(X^2 - 6) = 3(X^2 - 6) + 1 = 3X^2 - 18 + 1 = 3X^2 -17
F(G(x)) = 3X^2 - 17
6 0
3 years ago
For the sequence <img src="https://tex.z-dn.net/?f=a_%7Bn%7D%20%3D%202n%2F%28n%2B1%29" id="TexFormula1" title="a_{n} = 2n/(n+1)"
Nat2105 [25]

Answer:

a_{10}=\frac{20}{11}


Step-by-step explanation:

The formula for nth term of a the sequence is given as  a_n=\frac{2n}{n+1}


<u>Finding the 10th term means finding  a_{10}, which means to plug in 10 into n, in the nth term formula.</u>

a_{10}=\frac{2(10)}{(10)+1}=\frac{20}{11}

7 0
3 years ago
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