What is the gcf of 20 and 45x

Answers

Answer 1

Answer: its 5 hope this helps you :)

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Nayaleh is raising money for her school by selling candy. The amount of money y that she needs to reach her sales goal depends on the number of bags x that she sells. This is represented by the equation y=100-5x. What does 100 represent in the equation?A) Price of each bag of candy B) Nayaleh's sales goal C) Number of bags sold D) Number of bags to sell

Elliot and kay both bought the same lunch box for $6. Elliot lives in Oklahoma and pays 4.5% in sales tax, while Katy lives in South Carolina and pays 6% in sales tax. how much more did Katy pay in sales tax than Elliot a.$0.09
b.$0.27
c.$0.63
d.$0.36

Answers

Multiply the price by the amount of sales tax and then subtract the two:

Elliot:
4.5% = 0.045
6 * 0.045 = 0.27 sales tax

Katy:
6% = 0.06
6*0.06 = 0.36 sales tax

Difference = 0.36 - 0.27 = 0.09

The answer is A.

Which answer is same as 5.32×10^5

Answers

Ok so 10^5 is 100,000
Now we muliply 5.32x100,000 is 532,00

LAST QUESTION TODAY!! 1/3 of 18 is....? Thanks so much

Answers

Answer:

Step-by-step explanation:

1/3 x 18 = 6

18 x 1/3 = 18/3, which is 6

Latricia's vacation is in 4 weeks. There are 7 days in a week. How many days is until Latricia's vacation?

Answers

7 days in a week
4 weeks
So you do 7 days x 4 weeks and get 28 days

She will have to wait 28 days until her vacation
Hope I helped :)

Mack designed a water fountain with a square pyramid flowing into a cube. The edges of the bases of the pyramid and the cube have the same length and the heights of the pyramid and the cube are the same. Describe the relationship between the volume of the cube and the volume of the pyramid.

Please help me on this question. There are six questions in total and I did the rest (finding the volume/surface area) but this one I just don't understand. I'm willing to give up 60 of the 70 points I have for help (help that tells me the answer and explains it). Maybe even all 70. Please help if you understand. Thank you, minna.

Answers

volume of pyramid = 1/3 b2h
volume of cube = b3

now , provided pyramid and cube have same edges and same heights.

thus, volume of pyramid = 1/3 b3
volume of cube = b3.

thus, ratio = 1/3b3/ b3 = 1/3.

Thus, volume of pyramid = 1/3volume of cube

$V_(cube)=a^3\ \ \ and\ \ \ V_(pyramid)= (1)/(3) \cdot a^2\cdot h=(1)/(3)a^3\n \n (V_(pyramid))/(V_(cube)) = ((1)/(3)a^3)/(a^3)= (1)/(3)\n \n \nA_(cube)=6a^2\n \nh^2=a^2+( (1)/(2) a)^2\ \ \ \Rightarrow\ \ \ h^2= (5a^2)/(4)\ \ \ \Rightarrow\ \ \ h= (a √(5) )/(2)\n\nA_(pyramid)=a^2+4\cdot (1)/(2)ah=a^2+2a\cdot (a √(5) )/(2) =a^2(1+ √(5)) \n \n (A_(pyramid))/(A_(cube))= (a^2(1+ √(5)) )/(6a^2) = (1+ √(5))/(6)$

What is the factorization of the expression below?16x^2 - 49
A. (8x + 7)(2x-7)
O B. (4x + 7)(4x - 7)
O C. (8x-7)(2x-7)
O D. (4x-7)(4x-7)

Answers

Answer:

Step-by-step explanation:

16 x² - 49 ← is a difference of squares and factors in general as

a² - b² = (a + b)(a - b), thus

16x² - 49

= (4x)² - 7²

= (4x + 7)(4x - 7) → B

Answer:

Step-by-step explanation:

There is no number between 16x and 49. So only think about the number being squared for 49; which is 7.

Then 49 is negative, so you must have both positive and negative signs in both parenthesis. Otherwise, positive times positive is positive, and negative times negative is also positive.

4x4 is 16. That's why you put fours in front of Xs.

I am sorry for getting this wrong (if i did)

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