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brilliants [131]
3 years ago
10

1. (x - 2) + (3x + 8)

Mathematics
2 answers:
Elena-2011 [213]3 years ago
7 0

Answer:

4x+6

Step-by-step explanation:

bixtya [17]3 years ago
5 0

Answer:

4x+6

Step-by-step explanation:

(x-2) + (3x + 8)

combine like terms

4x + 6

Hope this helps!!!

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A confectioner bought 15 chocolates for Rs. 1. If he sold all chocolates at 25% profit, how many chocolates were sold for Rs. 1?
shutvik [7]

Answer:

He sold 12 chocolates for 1 Re.

Step-by-step explanation:

He bought 15 chocolates for 1 Rupee

He sold for a profit of 25%

Sale price = profit + cost price

SP= 25%of 1 + 1 Re

SP = 0.25*1+ 1

SP = 1.25 Rs

He sold 15 chocolates fro 1.25 Rs

Chocolates            Rupees

15                            1.25

x                                1

Applying cross product

x*1.25= 15*1

x= 15*1/1.25

x= 12

He sold 12 chocolates for 1 Re.

4 0
2 years ago
1/2 to the power of 4
Zepler [3.9K]

Answer: 1/16 because 1 to the power of anything is the same. 2 to the power of 4 is 16 so 1/16

6 0
2 years ago
Read 2 more answers
A rectangular garage is 12 yards long and 8 yards wide. It costs $1.00 per square yard to put in a new concrete floor. How much
Sav [38]
<h3>Answer:  96 dollars</h3>

===========================================================

Explanation:

Compute the area to get 12*8 = 96 square yards

We can think of it like having 96 squares and each square costs $1. So naturally the total cost is 96*1 = 96 dollars.

4 0
2 years ago
Solve for X 3(-2x-1)=2(x+5)
fredd [130]
U need to use the distributive property ok? The u have to add or subtract the number on both sides bring it down and the you have to divide
5 0
2 years ago
Read 2 more answers
The spinner below shows 5 equally sized slices. Tammy spun the dial 25 times and got the following results. Fill in the table be
Helen [10]

Answer:

a) 4/25, or 0.16, or 16%

b) 1/5, or 0.2, or 20%

c) The first option - the theoretical and experimental values should become closer the more trials that are performed.

Step-by-step explanation:

a) 4 of Tammy's 25 spins landed on black, so the experimental probability is 4/25, or 0.16, or 16%.

b) The spinner is split into 5 equal sections. Assuming it is fair, the chance of landing in any given section for a single spin is 1/5, or 0.2, or 20%.

c) The theoretical and experimental values should get closers the more trials you do.

For example, consider 1 coin flip vs 100. The theoretical probability of landing on a given side of a coin is 1/2, or 0.5, or 50%. With a single flip, your experimental probability will either be 0% or 100%, both off of the theoretical probability by 50%. After 100 flips however, the experimental and theoretical probabilities will be much closer to each other.

6 0
3 years ago
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