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Marrrta [24]
3 years ago
15

Today 12% of the people that went to Dunkin Donuts,got a free donut. 500 people went to Dunkin today. How many people did NOT ge

t a free
Donut
Mathematics
1 answer:
netineya [11]3 years ago
7 0
430 people didn’t get a free donut
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HELPPPPPP this is due tonight!!!!
laiz [17]

Answer:

(1) Commutative property

(2) Distributive property/Definition of addition

(3) Compatibility with addition/Existence of additive inverse/Modulative property

(4) Compatibility with multiplication/Associative property/Definition of division/Existence of additive inverse/Commutative and modulative properties/Result

Step-by-step explanation:

We proceed to solve algebraically and explain each step:

1) 4\cdot x +1 +x + 3 = -11 GIven

2) 4\cdot x +x +1 + 3 = -11 Commutative property

3) (4+1)\cdot x +4 = -11 Distributive property/Definition of addition

4) 5\cdot x +4 = -11 Definition of addition

5) 5\cdot x +4 -4 = -11-4 Compatibility with addition

6) 5\cdot x = -15 Existence of additive inverse/Modulative property

7) \frac{1}{5}\cdot (5\cdot x)= \frac{1}{5}\cdot (-15) Compatibility with multiplication

8) x = - 3 Associative property/Definition of division/Existence of additive inverse/Commutative and modulative properties/Result

Hence, we have the following answers:

(1) Commutative property

(2) Distributive property/Definition of addition

(3) Compatibility with addition/Existence of additive inverse/Modulative property

(4) Compatibility with multiplication/Associative property/Definition of division/Existence of additive inverse/Commutative and modulative properties/Result

6 0
3 years ago
Rectangle A has length 12 and width 8. Rectangle B has length 15 and width 10. Rectangle C has length 30 and width 15.
Darina [25.2K]

Answer:

Step-by-step explanation:

The length is x2 while the width is x1.5

Therefore it cannot be a scaled copy

6 0
3 years ago
Read 2 more answers
The product of 2 and the second power of y in algebraic expression
inysia [295]
<span>Algebraic expression of product of 2 and the second power of y
=> Algebraic expression is a combination of integers (numbers), variables (a, b, c, x, y, ….), exponent (2 5 3 …) that is a rational number and algebraic operations like subtraction (-), addition (+), multiplication (x) and division (/).
=> Product – result of multiplication
=> second power of y = y<span>2
</span>=> 2 x y<span>2

</span>Thus, the algebraic expression of product of 2 and the second power of y is equals to 2 x y2

</span>



8 0
3 years ago
Y=f(×)=9×<br> Find f(×) when x =1/2
mojhsa [17]
<h3>f(x) is equal to 4.5 when x = 1/2</h3>

<em><u>Solution:</u></em>

Given that,

y = f(x) = 9x

We have to find f(x) when x = 1/2

We can solve by substituting x = 1/2 in given function

f(x) = 9x\\\\Plug\ in\ x = \frac{1}{2}\\\\f(\frac{1}{2}) = 9 \times \frac{1}{2}\\\\f(\frac{1}{2}) = 4.5

Thus f(x) is equal to 4.5 when x = 1/2

8 0
3 years ago
Find the area of the semicircle. Round your answer to the nearest hundredth.
Katarina [22]

Answer:

904.75

Step-by-step explanation:

The area of a semicircle: r^2\pi/2

4 0
2 years ago
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