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Free_Kalibri [48]
3 years ago
13

If one painter can paint a house in 5 days and another painter can paint the same house in 3 days, how long will it take the to

paint the house working together
Mathematics
1 answer:
kakasveta [241]3 years ago
3 0
1/5+1/3=8/15 house per day
1 house=1/(8/15)=15/8 days per house working together
☺☺☺☺
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Is there any way to calculate the exact (or close to exact) value of a logarithm without using a calculator? I don't mean logari
lara [203]

The expression log₆(3/50) = x and the similar expression cannot be solved without a calculator or logarithm table

<h3>How to solve logarithm without calculator?</h3>

There are three ways to solve a logarithm expression

  • Using calculator
  • Using the logarithm table
  • Logarithm rules

If a logarithmic expression cannot be solved by logarithm rules, then one has to apply a calculator or logarithm table to solve such expression

The above means that the expression log₆(3/50) = x and the likes cannot be solved without a calculator or logarithm table

Read more about logarithmic expressions at:

brainly.com/question/10727370

#SPJ1

8 0
2 years ago
What are three equivalent Decimal forms for the number 19
docker41 [41]

Answer:

The numbers; 19.0 , 19.00 and 19.000 are same value as the number 19

Step-by-step explanation:

Here in this question, we simply want to write decimals which would have same value as the number 19 when written.

Let’s start with 19.0

This is absolutely same value as the number 19

Furthermore let’s write 19.00

This is also same value as the number 19

Lastly;

19.000

This is same value as the number 19

5 0
3 years ago
Let r vary directly with s and inversely with t. Which equation represents this equation? Assume that a is a constant.
andrew11 [14]
\bf \qquad \qquad \textit{combined variation}&#10;\\\\&#10;\begin{array}{llll}&#10;\textit{\underline{y} varies directly with \underline{x}}\\&#10;\textit{and inversely with \underline{z}}&#10;\end{array}\implies y=\cfrac{kx}{z}\impliedby &#10;\begin{array}{llll}&#10;k=constant\ of\\&#10;\qquad  variation&#10;\end{array}\\\\&#10;-------------------------------\\\\&#10;\stackrel{\textit{\underline{r} varies directly with \underline{s} and inversely with \underline{t}}}{r=\cfrac{ks}{t}\qquad \textit{ and since a = k}\qquad  r=\cfrac{as}{t}}
7 0
3 years ago
SOMEONE PLEASE HELP ME
slava [35]

Smart Dot, multiply the cost per hour by number of hours (t) and add to the monthly fee:

C = 0.50t + 12

Communication plus: Multiply the cost per hour by number of hours (t)

C = 2.50t

5 0
3 years ago
A sprinter can run 120 meters in 10 seconds. what is his average speed
Mariulka [41]

Answer:

12 Meters Per Second

Step-by-step explanation:

Average Speed = Distance divided by time


Average Speed = 120 Meters / 10 Seconds


Average Speed = 12 Meters Per Second

7 0
4 years ago
Read 2 more answers
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