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arlik [135]
2 years ago
10

Your bank account has -$15 in it. you deposit $5 per day

Mathematics
1 answer:
sergeinik [125]2 years ago
7 0
You have forty dollars in your account after five days.

It takes twenty days to get your account balance to 0.
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Find the difference 3/4(3x+6)−14(5x−24)
PolarNik [594]
The answer is -271/4x + 681/2

7 0
3 years ago
What’s variance and how do I figure it oit
Andreas93 [3]
<h2>Answer:</h2>

variance measures variability from the average or mean. It is calculated by taking the differences between each number in the data set and the mean.','.

5 0
2 years ago
4[(10-4) 2 to the second power divided by 4]
SashulF [63]
<span>4[(10-4) 2 to the second power divided by 4]
=4x6x2</span> to the second power divided by 4
=6x2 to the second power 
=6x4
=24
Hope that helps and hope that I didn't misunderstand your question
4 0
3 years ago
The Great Pyramid of Giza is an example of a square pyramid and is the last
Verdich [7]

Answer:

The surface area of the pyramid is 466,137 squared cubits

Step-by-step explanation:

This is simply asking us to find the surface area of the square based pyramid with the given dimensions.

The first thing we need to know is the principle for finding the surface area of such pyramidal shapes. To get the surface area of a pyramid, we will have to add the base area to the area of the side faces ( lateral area)

The base area of the square based pyramid, will be the same as the area of a square which is = 453 cubits X 453 cubits =205209 cubits^{2}

The lateral area has already been given to us as 260,928 squared cubits.

The surface area of the pyramid is 260,928 + 205209 = 466137 squared cubits

Hence, the surface area of the pyramid is 466137 squared cubits

5 0
3 years ago
Prove that for all integers a and b, if a mod 7 = 5 and b mod 7 = 6 then ab mod 7 = 2.
sergiy2304 [10]
Hello :
if : a <span>≡ 5 ( mod 7) ....(1)
     b </span><span>≡ 6 ( mod 7) ...(2)
(1)×(2) : ab </span><span>≡ 30 ( mod 7)
</span>but : 30 = 7×4  + 2  ..... so : 30  ≡ 2 ( mod 7)
then : ab ≡ 2 ( mod 7)
6 0
3 years ago
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