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Studentka2010 [4]
2 years ago
8

A vendor sells three types of watches. Of the watches in stock 20% are mens watches, 40% are ladies watches and the rest are chi

ldrens watches. There are 250 all together how many childrens watches are there math
Mathematics
1 answer:
igomit [66]2 years ago
5 0

Answer:

100.

Step-by-step explanation:

The percentage of children's watches = 100 - 20 - 40 = 100-60

= 40%.

40% = 0.40 as a decimal fraction.

So the number of children's watches

= 0.40 * 250

= 100.

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In Haley's favorite video game, players stack blocks to create buildings. Haley builds a fort shaped like a cube. Haley's fort h
Mama L [17]

Answer:

729 cubic meters

Step-by-step explanation:

Volume of cube is given by side^3

where side is length of the side

Given in the problem

side is 9 meters as length, width, and height of fort is 9 meters and it is in cube shape .

Thus,

volume of cube = 9^3 = 9*9*9 = 729

Thus, volume of Haley's fort is 729 cubic meters.

3 0
3 years ago
PLEASE ANSWER AND EXPLAIN | 98 POINTS
9966 [12]

<em>Answer:</em>

<em>d</em>

<em />

<em>0.9</em>

<em />

<em>The value of a correlation coefficient ranges between -1 and 1.</em>

<em />

<em>The greater the absolute value of the Pearson product-moment correlation coefficient, the stronger the linearrelationship.</em>

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<em>The strongest linear relationship is indicated by a correlation coefficient of -1 or 1.</em>

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<em>The weakest linear relationship is indicated by a correlation coefficient equal to 0.</em>

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<em>A positive correlation means that if one variable gets bigger, the other variable tends to get bigger.</em>

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<em>A negative correlation means that if one variable gets bigger, the other variable tends to get smaller.</em>

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<em>hope it helps.</em>

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3 0
3 years ago
Read 2 more answers
Two whole numbers have a least common multiple of 30.
Makovka662 [10]
Yes it is 3, and 10 : )
3 0
2 years ago
A scientist measure change in the temperature of chemical solution at the start of the experiment , the solutions is at temperat
zhannawk [14.2K]

Answer:

The temperature of the chemical solution after t hours is -14.96-2.9t\;^{\circ}C

Step-by-step explanation:

Given that the initial temperature of the chemical solution, T_0= -14.96^{\circ}C.

The rate of decreasing temperature, R = 2.9^{\circ}C/ hour

So, after t hours, the temperature of the chemical solution will decrease by Rt=2.9t^{\circ}C.

So, the temperature of the chemical solution after t hours,

T=T_0-Rt \\\\\Rightarrow T = -14.96-2.9t\;^{\circ}C

Hence, the temperature of the chemical solution after t hours is -14.96-2.9t^{\circ}C.

4 0
2 years ago
I am in need of some serious help here, I skipped this last time so I got a bad grade
lesantik [10]
1. ab= 6 x 3 = 18             1) = 18

2. c + 4 = 2 + 4 = 6           2) = 6

3. a/b = 6/3 = 2                 3) = 2

4. a - b - 6 - 3 = 3             4) = 3

5. 2c = 2(2) = 4                5) = 4

6. b/3 = 3/3 = 1                6) = 1

7. a - 1 = 6 - 1 = 5           7) = 5

8. 6 + c= 6 + 2 = 8          8) = 8
8 0
2 years ago
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