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Fofino [41]
2 years ago
6

2log 10 =0.3010,then find the value of 22log 8

Mathematics
1 answer:
skad [1K]2 years ago
5 0

Answer:

2.99

Step-by-step explanation:

                                                       <em>Note: [log10 = 1]</em>

<em>                                                        [log8  = 0.903089987]</em>    

2log10 = 0.3010

<em>   </em>22log8 = x

Therefore:

<em>2log10 x = 22log8</em>

<em>x = 2.99</em>

<em>  </em>

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Ruby uses 1/4 yard of ribbon to make 2 bows.Which expression shows the length of ribbon in each bow?
allochka39001 [22]
What you can do in this case is a rule of three to determine the length of each bow.
 We have then:
 1/4 ---> 2
 x ------> 1
 Clearing x we have:
 x = (1/2) * (1/4)
 x = 1/8
 Answer:
 the length of ribbon in each bow is
 x = 1/8
 Equivalently:
 x = (1/4) / 2
 Option 3
3 0
3 years ago
Three times a certain number is 45. What is the number?
andriy [413]
The answer is fifteen (15)
Hope this helps!
4 0
3 years ago
A factory produced 150 tons of steel in one year. The next year, the output increased to 180 tons. What is the percentage increa
Elenna [48]

Answer:

It would be 17%

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
The first four terms of a sequence are shown on the graph below. On a coordinate plane, points are at (1, negative 1), (2, 8), (
Masja [62]

Answer:

  • The next term of the sequence is represented by the point (5, –64)

Step-by-step explanation:

<u>Note:</u> <em>The first point should be (1, - 4)</em>

According to the points, the sequence is:

  • t₁ = - 4, t₂ = 8, t₃ = - 16, t₄ = 32

or

  • - 4, 8, - 16, 32, ...

We can observe it is a geometric sequence with common ratio of - 2, as:

  • r = 32/ - 16 = - 16/8 = 8/ - 4 = - 2

The following term is:

  • t₅ = t₄*r = 32*(- 2) = - 64

The coordinates of same term are:

  • (5, - 64)

As we see the correct answer choice is D.

5 0
2 years ago
Original price: $63.00 new price: $56.07 arrowright original price: $37.50 new price: $34.50 arrowright original price: $12.25 n
melisa1 [442]

Part a: There is an 11% decrease in the price

Part b: There is an 8% decrease in the price

Part c: There is an 8% increase in the price

Part d: There is an 11% increase in the price

Part a:

Original price = $63

New price = $56.07

Change in price = 56.07-63 = - 6.93

Percentage change in price = Change in price/Original price*100

= -6.93/63*100

= - 0.11*100 = 11% decrease in price

Part b:

Original price = $37.50

New price = $34.50

Change in price = 34.5-37.5 = - 3

Percentage change in price = Change in price/Original price*100

= -3/37.5*100

= - 0.08*100 = 8% decrease in price

Part c:

Original price = $12.25

New price = $13.23

Change in price = 13.23-12.25 = 0.98

Percentage change in price = Change in price/Original price*100

= 0.98/12.25*100

= 0.08*100 = 8% increase in price

Part d:

Original price = $98

New price = $108.78

Change in price = 108.78-98 = 10.78

Percentage change in price = Change in price/Original price*100

= 10.78/98*100

= 0.11*100 = 11% increase in price

Learn more about percentage change:

brainly.com/question/14700520

#SPJ4

5 0
11 months ago
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