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Elenna [48]
3 years ago
12

0.012=1.2×10 -³ true or false

Mathematics
1 answer:
Wittaler [7]3 years ago
6 0
This awnser is false
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12.5% of $100 is<br> what number?
Westkost [7]

Answer:100$-100%               100*12.5=1250

                                                    1250/100=12.5

                 ?-12.5%

Step-by-step explanation:

7 0
2 years ago
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Chris and Ben walked home from school. The distance Chris walked,in miles, is represented by point C on the number line. Ben wal
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first you divide the amount of miles chris walked with 1/4 or .25 miles then you will get the answer

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3 years ago
Point J (-2,1) and point K (4,5) form line segment JK. For the point P that partitions JK in the ration 3:7, what is the y- coor
Ainat [17]
Y = 2.4 and the x = -0.3
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3 years ago
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3 solutions to y=-5x+1
Luda [366]
Y = -5x + 1

x = 1 , y = -4
x = 2 , y = -9
x = 3 , y = -14

so the answers are
(1,-4) 
(2,-9)
(3,-14)
7 0
3 years ago
Noah's Café sells special blends of coffee mixtures. Noah wants to create a 20-pound mixture with coffee that sells for $9.20 pe
Mashutka [201]

Answer:

Noah needs 8 pounds of the coffee that costs $9.20 per pound and 12 pounds of the coffee that costs $5.50 per pounds

Step-by-step explanation:

Let the number of pounds of the coffee that sells for 9.20 be x while the number of pounds of the coffee that sells for 5.5 be y.

From the question, we know he wants to make 20 pounds of coffee

Thus;

x + y = 20 •••••••••••(i)

Let’s now work with the values

For the $9.20 per pound coffee, the cost out of the total will be 9.20 * x = $9.20x

For the $5.5 per pound coffee, the cost out of the total be 5.5 * y = $5.5y

The total cost is 20 pounds at $6.98 per pound: that would be 20 * 6.98 = $139.6

Thus by adding the two costs together we have a total of $139.6

So we have our second equation;

9.2x + 5.5y = 139.6 •••••••(ii)

From i, y = 20 - x

Let’s substitute this in ii

9.2x + 5.5(20-x) = 139.6

9.2x + 110 -5.5x = 139.6

9.2x -5.5x = 139.6-110

3.7x = 29.6

x = 29.6/3.7

x = 8 pounds

Recall;

y = 20 - x

y = 20-8

y = 12 pounds

7 0
3 years ago
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