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NikAS [45]
3 years ago
12

Write an expression to describe the relationship in each table 10,12,15. 7,9,12​

Mathematics
1 answer:
lesya [120]3 years ago
5 0

Answer:

there is a pattern of 2 , 3 in each set of numbers

Step-by-step explanation:

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I only need letter D
strojnjashka [21]

Answer:

its how much money he will get

Step-by-step explanation:

6 0
3 years ago
by selling a cell phone for 2400rs a shopkeeper makes a profit of 25% what would be his profit percentage if it was 2040rs​
xxMikexx [17]

Answer:

6.25%

Step-by-step explanation:

We first begin by solving for the original price of the cell phone.

if 2400 = 125%

         x = 100%

By cross multplying, we get

125x = 2400 * 100

x = 240000/125

x = 1920rs

To find the profit percentage on the new sale price, we repeat another set of equations

100% = 1920

      x = 2040

1920x = 2040 * 100

x = 204000/1920

x = 106.25%

His new profit percentage is 6.25%

7 0
3 years ago
7. Sylvia made a poster shaped like the triangle shown below. (1 point)
marta [7]
The answer would be 12 inches. I have the most faith in my answer.
7 0
3 years ago
The graph below shows a system of equations:
Darya [45]

ANSWER

The x-coordinate of the solution to the system of equations is 3.

EXPLANATION

The solution to the system of equations is the point of intersection of the straight lines that represents the given system.

From the graph the two straight lines intersected at:

(3,2)

Hence the solution to the system of equations is (3,2)

The x-coordinate of the solution to the system of equations is 3.

4 0
3 years ago
What is the discriminant of the quadratic equation 2x + 5x2 = 1?
Murrr4er [49]
5x^2+2x-1=0

Delta equation is:

\Delta =\frac{-b\pm\sqrt(b^2-4ac)}{2a}

but we are interested in b^2-4ac because it determines the discriminant

5^2-4*2*(-1)=25+8=33

33>0

which means that discriminant is positive :)

7 0
3 years ago
Read 2 more answers
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