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fredd [130]
3 years ago
7

PLEASE HELP question 30

Mathematics
1 answer:
weeeeeb [17]3 years ago
3 0

Answer:

B

Step-by-step explanation:

d+c=180 because 360 degrees are in the parrallegram so divide that by 2 so 114+c=180 so

c=66

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What is the value of x in the following equation 1/5x=5^8 <br> A)-8 B) 8 C)40 D)-40
Monica [59]
The correct question is
What is the value of x in the following equation (1/5)^x=5^8 

Applying logarithms both members
log(1/5)^x=log(5^8) 
x*log(1/5)=8*log(5)
x=8*log(5)/log(1/5)

we know that
log (1/5)----> log (1)-log (5)----> 0-log (5)-----> -log (5)
so
x=8*log(5)/-log (5)------> x=-8

the answer is
-8

7 0
3 years ago
Can someone answer this please
Marina86 [1]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
Read 2 more answers
Explain one way to add 3 digit numbers
Ray Of Light [21]
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213
156
+109
-----------

then add:

¹ ← ←
213 ↑
156 ↑
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hope that helps :)
4 0
3 years ago
-144 is -1 x 2a x 3b what is the sum of a+b?
BigorU [14]
-144= -1×2a×3b
144=2a×3b
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Answer:
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julia-pushkina [17]
A3=3
a4=5
a5=8

This sequence has properties similar to those of the Fibonacci sequence.
8 0
3 years ago
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