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Shtirlitz [24]
3 years ago
15

How can you use 4s fact to find 7x8? Give the product in your explanation..

Mathematics
1 answer:
zhuklara [117]3 years ago
7 0
You can do 7x8=56 then you can think , 5-6-7-8
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The value of a house decreases at a steady rate of 20% each year. What is the total percentage loss (to the nearest integer) in
Westkost [7]

Answer: The total percentage loss would be 67%.

Step-by-step explanation:

Since we have given that

Rate of decline each year = 20%

Number of years = 5

We need to find the total percentage loss in value of the house at the end of 5 years.

So, Total percentage loss would be

1-(1-\dfrac{r}{100})^5\\\\=1-(1-\dfrac{20}{100})^5\\\\=1-(\dfrac{4}{5})^5\\\\=1-(0.8)^5\\\\=0.67\\\\\approx 67%

Hence, the total percentage loss would be 67%.

8 0
3 years ago
Write 7*7*b*b*b in exponential form
ycow [4]

Answer:

  7²b³

Step-by-step explanation:

An exponent signifies repeated multiplication. Here, the factor 7 is repeated twice, and the factor b is repeated 3 times. These will get exponents of 2 and 3, respectively:

  7²b³

6 0
3 years ago
Write the expression seven less than n
melamori03 [73]

Answer:

n-7

Step-by-step explanation:

If the expression is 'seven less than n', we are subtracting 'seven' from 'n'.

6 0
3 years ago
Nicole is cooking pancakes. The recipe calls for 4 1/3 cups of milk. She accidentally put in 4 3/4 cups . How many extra cups di
Ugo [173]

4 3/4 - 4 1/3

= 4 9/12 - 4 4/12

= 5/12 <==== extra cup put in

3 0
3 years ago
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What is the absolute deviation and range of the data set 134 139 145 152 174
malfutka [58]
The answer or range would be 40
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3 years ago
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