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Rashid [163]
3 years ago
7

The answer in decimal

Mathematics
1 answer:
ivolga24 [154]3 years ago
8 0
Apply the common log function to both sides of this equation to solve it:

x log 10 = (x+3) log 5  = x log 5 + 3 log 5

Group the x terms together on the left:   x (log 10 - log 5) = 3 log 5

Simplify the quantity inside the parentheses:  log 10 - log 5 = log 10/5 = log 2.

Then x log 2 = 3 log 5.  Solving for x:  (3 log 5) / (log 2)    (answer)
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ASE
eimsori [14]

Answer:

128 deg

Step-by-step explanation:

The sum of the measures of the angles of a polygon of n sides is

(n - 2)180

A trapezium has 4 sides, so the sum of the measures of the angles is

(4 - 2)180 = 2(180) = 360

<em>m<CBE + m<C + m<D + m<DEB = 360</em>

Angles ABC and CBE are a linear pair so the sum of their measures is 180 deg.

m<ABC + m<CBE = 180

115 + m<CBE = 180

m<CBE = 65

m<C = x

m<D = 90

Angles DEB and DEF are a linear pair so the sum of their measures is 180 deg.

m<DEB + m<DEF = 180

m<DEB + m<103 = 180

m<DEB = 77

<em>m<CBE + m<C + m<D + m<DEB = 360</em>

65 + x + 90 + 77 = 360

x + 232 = 360

x = 128

Answer: 128 deg

<em />

3 0
3 years ago
Read 2 more answers
Sharon called 3 friends on Friday. On Saturday, each of those 3 friends called 3 different friends. On Sunday, each person who w
erma4kov [3.2K]
3 were called on Friday.
Then the each of the 3 called 3 others which all equals to 9, since 3*3 is 9.
Now, each of the 9 called 3 others on Sunday which altogether equals 27, since 9*3 is 27. Therefore, the answer is 27.

Every time the word each is used in a math problem, that would mean that you need to multiply something. And that's what happened here


3 0
3 years ago
Your food costs are $5,500. Your total food sales are $11,000. What percent of your food sales do the food costs represent?
White raven [17]

Answer:

50

Step-by-step explanation:

5,500 is 50 percent of 11,000 :)

Hope This Helps.

4 0
3 years ago
Read 2 more answers
(05.01 MC)
algol13

For the table, y = 9x.

 so the price of a short cake is $9


For the graph, y = 4x
so the price of a sweet bread is $4

9-4 = 5

 the short cake is $5 more than the sweet bread


5 0
3 years ago
Read 2 more answers
A figure is rotated and reflected. what can u say about the new figure in relation to the original figure?
mylen [45]
The new figure is formed differently and is not the same as the other ome
8 0
3 years ago
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