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nikdorinn [45]
3 years ago
8

How do you Evaluate?

Mathematics
1 answer:
slavikrds [6]3 years ago
3 0
How do you evaluate: To evaluate an algebraic expression, you have to substitute a number for each variable and perform the arithmetic operations. In the example above, the variable x is equal to 6 since 6 + 6 = 12. If we know the value of our variables, we can replace the variables with their values and then evaluate the expression.
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Solve and find the value of (1.7)^2​
Helen [10]

Answer:

2.89

Step-by-step explanation:

just do 1.7×1.7=2.89

7 0
3 years ago
Find the perimeter of a square with side lengths of 3x + 1. Use the distributive property to write an expression.
Solnce55 [7]
Expression =
p= 4(3x+1)
4 0
3 years ago
Calculate 12 x 15 by changing the numbers into friendlier numbers as we saw in the videos. Show how you work it out – write out
kondor19780726 [428]

Answer:

The product 12 × 15 in friendlier numbers is (10 + 2) × (10 + 5) = 180

Step-by-step explanation:

The parameter given are;

To 12 × 15 by changing the numbers into friendlier numbers

The product in 12 × 15 written with friendlier numbers (or in a simplified format can be given as follows;

12 × 15 = (10 + 2) × (10 + 5)

Which gives;

(10 + 2) × (10 + 5) = 10² + 10 × 5 + 2 × 10 + 2 × 5

From which we have;

10² + 10 × 5 + 2 × 10 + 2 × 5 = 100 + 50 + 20 + 10 = 180

Therefore;

12 × 15 = 180.

7 0
3 years ago
Solve: 3^x+1 + 3^x= 108​
mash [69]

Answer:

x = 3

Step-by-step explanation:

{3}^{(x + 1)}  +  {3}^{x}  = 108 \\  \\  {3}^{x} .3 +  {3}^{x}  = 108 \\  \\  {3}^{x} (3 + 1) = 108 \\  \\  {3}^{x} (4 )= 108 \\  \\  {3}^{x}  =  \frac{108}{4}  \\  \\  {3}^{x}  = 27 \\  \\  {3}^{x}  =  {3}^{3}  \\  \\ \implies x = 3

5 0
3 years ago
The Table below gives you The population of Texas since 1970. Find the average rate if change from 1970 to 1090
ruslelena [56]

Answer:

Average rate of change = 0.29 million per year

Step-by-step explanation:

Average rate of change in the population from year 1970 to year 1900 is given by the formula,

Average rate of change = \frac{\text{Population in year 1990-Population in year 1970}}{1990-1970}

                                        = \frac{17-11.2}{1990-1970}

                                        = \frac{5.8}{20}

                                        = 0.29 million per year

Therefore, average rate of change in the population from 1970 to 1990 will be 0.29 million per year.                        

8 0
3 years ago
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