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snow_lady [41]
3 years ago
15

10. Jill is selling cookies. She has 3 different types of cookies: Chocolate, Mint, and Vanilla. The chocolate costs $2, the min

t costs $2.50, and the vanilla costs $1.75. There is a special that says the entire order can get 15% off. What expression can be written to show the total price of cookies sold?
Mathematics
1 answer:
Rainbow [258]3 years ago
3 0

llmr:

Step-by-step explanation:

j

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Write as an expression and simplify
Alexus [3.1K]

Answer:

Part a) (2m+7n)(2m-7n)

Part b) x^2-16xy+64y^2

Part c) 216a^3b^6

Part d)  (a^2-b^2)

Step-by-step explanation:

Part a) The difference of the squares of 2m and 7n.

we know that

The difference of the squares formula is equal to

(a^2-b^2)=(a+b)(a-b)

substitute

(2m)^2-(7n)^2=(2m+7n)(2m-7n)

Part b) The square of the difference of x and 8y

The formula of the square of the difference between two numbers is equal to

(a-b)^2=a^2-2ab+b^2

substitute

(x-8y)^2=x^2-2(x)(8y)+(8y)^2=x^2-16xy+64y^2

Part c) The tripled product of 6a and b^2

we have

(6ab^{2})(6ab^{2})(6ab^{2})=(6ab^{2})^3=(6^3)(a^3)(b^{2})^3=216a^3b^6

Part d) The product of the sum of a and b and their difference

The expression is equal to

(a+b)(a-b)

The expression represent the difference of the squares between a and b

so

(a+b)(a-b)=(a^2-b^2)

7 0
3 years ago
Hiked 3 5/6 miles and 2 1/2 miles on Saturday. Hiked 1 1/3 miles on Sunday. How many more miles to hike for a 10 mile hike
Lina20 [59]

Answer:

I dont really know

Step-by-step explanation:

4 0
3 years ago
In Manhattan, there are 15 CoffeeStops per 100,000 people Manhattan has approximately 1,602,000 people How many Coffee Stops are
exis [7]

Answer:

Given that 15coffee stops=100,000people

then: x= 1,602,000

100,000×x= 15×1,602,000

100,000x= 24,030,000

100,000x÷100,000= 24,030,000÷100,000

x= 240.3

so therefore there are 240.3 coffee stops if there are 1,602,000

4 0
3 years ago
Two triangle can be formed using given measurements
agasfer [191]
Use a projector do you have one?

4 0
4 years ago
Which situation is best represented by the following<br> equation?<br> 2x + x = 21
krek1111 [17]

Answer:

If your solving for x then its x=3 because you combine liked terms then divide both sides by 3.

6 0
4 years ago
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