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pychu [463]
3 years ago
15

Jakie mad 6 quarts of lemonade. Jackie says that she made 3 pints of lemonade. Exspain her error

Mathematics
2 answers:
Contact [7]3 years ago
7 0
We know that 2 pints = 1 quart. So that means that 3 pints = 1 1/2 quarts 
The correct answer would be she made 12 pints because 2 pints = 1 quart
Hope this helped!
frozen [14]3 years ago
6 0
Isn't it 8 quarts for a pint? I'm pretty sure it is.
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Find the values of x and y
Anna [14]

Answer:

x=26, y=116

Step-by-step explanation:

6 0
2 years ago
What is the product of (3x-9) and 6x^2-2x+5? Write your answer in standard form.
jolli1 [7]

Answer:

  • The product of 3x-9 and 6x^2-2x+5 is 18x^3 -60x^2 + 33x - 45
  • No, they are not equal

Step-by-step explanation:

a. Given

3x-9 and 6x^2-2x+5

Required

Product

The solution is as follows

First, put both expression in different brackets

(3x-9)(6x^2-2x+5)

Expand (6x^2-2x+5) bracket by (3x-9)

To do that. we first multiply (6x^2-2x+5) by 3x then by -9. This is done as follows

3x (6x^2-2x+5) - 9(6x^2-2x+5)

Now, we proceed to opening the bracket

(3x * 6x^2-3x * 2x+3x *5) - (9* 6x^2-9* 2x+9* 5)

(18x^3 -6x^2+ 15x) - (54x^2 - 18x +45)

Open both brackets

18x^3 -6x^2+ 15x -54x^2 + 18x -45

Collect like terms

18x^3 -6x^2 -54x^2 + 15x  + 18x -45

18x^3 -60x^2 + 33x - 45

Hence, the product of 3x-9 and 6x^2-2x+5 is 18x^3 -60x^2 + 33x - 45

b. Given

  • 3x-9 and 6x^2-2x+5
  • 9x-3 and 6x^2-2x+5

Required

Are their products equal?

To check if they are equal or not, we find the product of both and compare the solutions

We've already solved for 3x-9 and 6x^2-2x+5 in the (a) part of this exercise, so we move to the product of 9x-3 and 6x^2-2x+5

The solution is as follows

First, put both expression in different brackets

(9x-3)(6x^2-2x+5)

Expand (6x^2-2x+5) bracket by (9x-3)

To do that. we first multiply (6x^2-2x+5) by 9x then by -3. This is done as follows

9x (6x^2-2x+5) - 3(6x^2-2x+5)

Now, we proceed to opening the bracket

(9x * 6x^2 - 9x * 2x + 9x *5) - (3* 6x^2 - 3 * 2x + 3* 5)

(54x^3  - 18x^2+ 45x) - (18x^2 - 6x +15)

Open both brackets

54x^3  - 18x^2+ 45x -18x^2 + 6x -15

Collect like terms

54x^3  - 18x^2 -18x^2 + 45x  + 6x -15

54x^3  - 36x^2 + 51x  -15

Now, we compare both answers

Is

18x^3 -60x^2 + 33x - 45

equal to

54x^3  - 36x^2 + 51x  -15

No, they're not.

Reason is that, for both expressions to be equal, we must have the same expression after expanding both of them

7 0
3 years ago
The eight term of a geometric progression is given by Sn= -[-3(sin^2x + cos^2x)^n + In e. Find the first term and common ratio.​
igor_vitrenko [27]

Answer:

Step-by-step explanation:

Sn= -[-3(sin^2x + cos^2x)^n + In e.

sin^2x + cos^2x = 1  and ln e = 1, so

Sn = -(-3)^n + 1

When n = 8

this = -(-3)^8 + 1

7 0
3 years ago
Angle D is vertical angle to F the measure of is 53 what is the measure of
emmainna [20.7K]
Your question is missing some words and cannot be answered as asked. 

However, it seems that the question is simply testing your knowledge of the term "vertical angles." Vertical angles are equal to each other. So if F and D are vertical angles, and one of them is 53°, then the other one is 53° as well.

But again, would need the full question to be sure.
8 0
3 years ago
A hotel in Las Vegas, Nevada, is the largest pyramid in the United States. Prior to the construction of the building, the archit
Blizzard [7]
The volume of a square pyramid is:
V = (1/3) LxWxH

From the problem we know that:
H = L - 9 and
W = L

Substituting this to the formula of the volume to generate a polynomial function:
V = f(L) = (1/3) L x L x (L - 9)
Expanding:
f(L) = L³/3 - 3L²
3 0
3 years ago
Read 2 more answers
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