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GarryVolchara [31]
3 years ago
7

Write about how to use the dollar sign and decimal point to show the total value of 5 quarters

Mathematics
1 answer:
aivan3 [116]3 years ago
6 0
So 1 quater is 25 cents each. 5 quaters would be 125 cents. We know that 4 quaters equal $1.00 So we now have 1 quater left, you can add 25 cents to one dollar and get $1.25
So we started off with 125 cents so we added in a decimal point and added in a dollar sign. Hope this helps.
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3(2x + 6) - 4x = 2(5x - 2) + 6
sp2606 [1]

Answer:

x = 2

Step-by-step explanation:

3(2x + 6) - 4x = 2(5x - 2) + 6 \\   6x + 18 - 4x = 10x - 4 + 6 \\ 2x + 18 = 10x + 2 \\ 18 - 2 = 10x - 2x \\ 16 = 8x \\ x =  \frac{16}{8}  \\  \huge \:  \red { \boxed{x = 2}}

7 0
4 years ago
A scatter plot is made with the data shown:
gtnhenbr [62]

Answer:

  Positive nonlinear association

Step-by-step explanation:

The correlation coefficient is fairly low at 0.28, so there is a positive association, but it is definitely not linear.

(It may not be fair to call it non-linear, either. There seems to be no specific value of correlation coefficient below which you declare there to be "no association.")

3 0
3 years ago
I need help with #21
maksim [4K]

Answer: x=9

Step-by-step explanation:

(5x+7)

5 x 9 = 45

45 + 7 = 52

7 0
4 years ago
(who are you riddle) I'm smaller than 24. I am a common multiple of 7 and 3
sergiy2304 [10]
I think the answer is 21.
6 0
4 years ago
Read 2 more answers
Mr. Dieter wants to tile the family room in his basement. He has selected a pattern of square tiles that measure 9 inches by 9 i
RUDIKE [14]

Answer:

146 ft²

21.6 tiles

1.8 boxes

Step-by-step explanation:

Please find attached an image of the family room used in answering this question

the family room has the following shapes : 2 triangles and one rectangle

the area of the family room can be determined by calculating the area of each of the shape and adding the 3 areas together

area of a rectangle = length x breadth

16 x 7 = 112 ft²

Area of a triangle = 1/2 x base x height

Area of the smaller triangle = (1/2) x 4 x 3 = 6 ft²

Area of the bigger triangle = (1/2) x 8 x 7 = 28 ft²

Sum of the areas = 112 + 6 + 28 = 146 ft²

b.

1. First convert the area of the room to inches

1 ft = 12 in

146 x 12 = 1752 in²

2. the next step is to determine the area of the tile

area of a square = length²

9² = 81 in²

3. Divide the area of the room by the area of the tile

1752 / 81 = 21.6 tiles

c. total number of boxes that would be bought = 21.6 /12 = 1.8 boxes

6 0
3 years ago
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