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postnew [5]
3 years ago
15

What property is illustrated by this question? 0.2x + 1.3 + 3.9x + 9.75 A.

Mathematics
1 answer:
Bond [772]3 years ago
6 0

Answer:

The associative property is illustrated by this question ⇒ B

Step-by-step explanation:

Commutative Property states that you can move numbers around and still arrive at the same answer

For addition, a + b = b + a

For multiplication, a × b = b × a

Associative Property states that you can re-group numbers and you will get the same answer and the commutative property

For addition, (a + b) + c = a + (b + c)

For multiplication, (a × b) × c = a × (b × c)

Distributive Property  states that the sum of two numbers times a third number is equal  to the sum of each addend times the third number

(a + b) × c = a × c + b × c

∵ The question is 0.2 x  + 1.3 + 3.9 x + 9.75

- To solve it you will add the like terms so you must group them

∴ 0.2 x  + 1.3 + 3.9 x + 9.75 = (0.2 x + 3.9 x) + (1.3 + 9.75)

- This is the associative property because you re-group the numbers

∴ The associative property is illustrated by this question

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The Kansas predicted that in 2018 the population in Centerville would be 17,466 and actuality it was 16,400 what is the percent
sammy [17]

Answer:

6.5%

Step-by-step explanation:

Percentage error formula =

|Estimated value - Real value|/Real value × 100

From the above question,

Estimated value = 17,466

Real value = 16,400

Percentage error = |17,466 - 16,400|/16,400 × 100

= 1066/16,400 × 100

= 0.065 × 100

= 6.5%

Therefore, the percent error = 6.5%

5 0
3 years ago
Read 2 more answers
The sum of two numbers is 31.The product of the two numbers is 150. What are the two numbers?
Nikolay [14]
The two numbers I will call x and y.
x + y = 31
x * y = 150

You then solve for one variable in either equation and substitute it into the other equation.

x + y = 31
x = 31 - y

Then you plug it in:
x * y = 150
(31 - y) * y = 150
-y² + 31y = 150
y² - 31y + 150 = 0            Then factor:
(y - 6)(y - 25) = 0
y - 6 = 0        y - 25 = 0
y = 6             y = 25

When you plug y into the original equations, it comes out that the two numbers are 6 and 25. You can check your work because 6+25 = 31 and 6*25 = 150. Hope this helps! :)
5 0
3 years ago
When a bush was first planted in a garden it was 12 inches tall after two weeks it was 120% as tall when it was first planted ho
Juliette [100K]
14.4, 120% of 12 is 100+20, 12+2.4 is 14.4
4 0
3 years ago
Choose the point-slope form of the equation below that represents the line that passes through the point (−1, 6) and has a slope
IrinaVladis [17]

Answer:

The correct answer is option B.

Step-by-step explanation:

Two point form of the equation:

(y-y_1)=\frac{y_2-y_1}{x_2-x_1}\times (x-x_1)

\frac{y_2-y_1}{x_2-x_1}=Slope=m

(y-y_1)=m\times (x-x_1)

A line passing through the point (-1,6) with slope ,m = -3.

The equation of the line will be:

y-6=(-3)(x-(-1))=(-3)(x+1)

Hence, the correct answer is option B.

3 0
3 years ago
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Find the sum. Write the addition property you used. 28+29+42=
Zolol [24]

Step-by-step explanation:

28+29=57

57+42=99 so 99 should be your answer

4 0
3 years ago
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