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AysviL [449]
2 years ago
10

Log7 5 + log7 x = log7 60

Mathematics
1 answer:
Arte-miy333 [17]2 years ago
5 0
Use your rules of logs. First the sum of two logs with same base is the product of the parts. Log7 (5x) = log7 60. Now since both sides have same log and base the parts are equal. 5x = 60. Divide by 5 to get a result of x = 12
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Hey! I need help on this question as well . I know it is b or c. But I’m not sure which one . Thank you.
Airida [17]
P = 2(l + w)

p/2 = l + w    divide both sides by 2

p/2 - w = l    subtract both sides by w

l = (p - w)/2 

so c, is your answer.

hope this helps, God bless!
5 0
3 years ago
I need help please!!!!
ycow [4]

Answer:

x = 14.48

Step-by-step explanation:

first we have to see that we have the measurements from all sides

and we know that the angle between side 21 and 20 is 90 degrees

well to start we have to know the relationships between angles, legs and the hypotenuse.

a: adjacent

o: opposite

h: hypotenuse

sin α = o/h

cos α= a/h

tan α = o/a

let's take the left angle as α

sin α = 21/29

α = sin^-1 (21/29)

α = sin^-1 (0.7241)  

α = 46.397

Now we do the same with the smaller triangle

tan α = o/a

sin 46.397  = x/20

0.724 = x/20

0.724 * 20 = x

14.48 = x

x = 14.48

if we want to check it we can do the same procedure with the other angle

4 0
3 years ago
Of the four choices given, which two, when written as a system, have a solution of (–4, 5)? the options and A), B), C), and D) a
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Yes it sure is A! Even though I’m not answering the question I’m sorry but I’m going by what the person before me just said so I believe them! Hope this helps!
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2 years ago
Help please !!! ASAP
Verizon [17]

3 goes 1, 4 goes 2, 1 goes 3 and 2 goes last

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Answer:

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Step-by-step explanation:

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