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dezoksy [38]
3 years ago
7

Amultivitamin tablet contains 16.5 mg calcium.How much calcuim does a bottle of 20 tablet contain?

Mathematics
1 answer:
Bingel [31]3 years ago
8 0
16.5 mg of calcium per tablet × 20 tablets=

330 mg of calcium
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Write an equation in slope-intercept form that represents the graphed function.
damaskus [11]
Answer: Y = 1/4x - 2
Slope intercept form is y = mx + b
M is slope, and b is y intercept

Solving slope:
change in y over change in x is slope
The change in y from (0,-2) and (4,-1) is up one over four.
This can be represented as 1/4

Solving y-intercept:
Y-intercept is when x = 0 or when the line touches the y axis
As you can see on the graph, the y intercept is (0,-2) or -2

Final:
Y = 1/4x - 2
8 0
2 years ago
. The new saleswoman at Clocks Unlimited was very good. During her first day on the job she sold at least two of each of the thr
LiRa [457]

Answer:

5

Step-by-step explanation:

Let the number of the kitchen clock sold =a

Let the number of the cuckoo clock sold =b

Let the number of the two-foot high grandfather clocks sold =c

The new saleswoman sold at least two of each of the three models.

Therefore:

a\geq 2\\b \geq 2\\c \geq 2

In all, she collected $300 from selling these models alone

17a+31b+61c=300

17(2)+31(2)+61(2)=218

300-218=82

Next, we try to express the remainder (82) in terms of 17, 31 and 61

82=17(3)+31

Therefore, she sold:

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She sold 5 $17 clocks.

CHECK:

17(5)+31(3)+2(61)=$300

4 0
3 years ago
How much of an alloy that is 10% copper should be mixed with 600 ounce of an alloy that is 70%copper in order to get an alloy th
svetoff [14.1K]

Answer:

1200 ounces

Step-by-step explanation:

How much of an alloy that is 10% copper should be mixed with 600 ounce of an alloy that is 70%copper in order to get an alloy that is 30%copper?

Let us represent

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Hence, our Equation =

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0.1x + 420 = (x + 600)0.3

0.1x + 420 = 0.3x + 180

Collect like terms

0.3x - 0.1x = 420 - 180

0.2x = 240

x = 240/0.2

x = 1200 ounces

7 0
2 years ago
Last year, at the Great American Pie Festival, over 16,000 slices of pie was eaten. If each piece of pie is 1/8 of and entire pi
egoroff_w [7]
16,000 slices/8 slices per pie=2,000 pies.
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Three fair, standard six-faced dice of different colors are rolled. In how many ways can
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The answer to this question is 8
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