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ycow [4]
2 years ago
13

The other answer choice is 30

Mathematics
1 answer:
il63 [147K]2 years ago
8 0

Answer:

21 pencils

Step-by-step explanation:

b 21 pencils

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Factor 16x+40y I don't know how to do this
Marizza181 [45]

Answer:

8(2x + 5y)

Step-by-step explanation:

You cant fact (take out) 8 from both 16 and 40 since 8 is a factor for both.

4 0
3 years ago
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A DVD player that normally cost $160 is on sale for 70% of its normal price.What is the sale price of the DVD player.
maw [93]
160 $ = 100%
     x $ = 70%


100 x = 11200
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160,00 - 112,00 =  48,00$


7 0
3 years ago
If Clare earns $75 the next week from delivering newspapers and deposits it in her account, what will her account balance be the
Zarrin [17]

Answer:

25

Step-by-step explanation:

because 75 - 50 = 25

7 0
2 years ago
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Three different design configurations are being considered for a particular component. There are two possible failure modes for
asambeis [7]

Answer:

No evidence .because the configurations factors and failure mode are independent

Step-by-step explanation:

Determine if there is sufficient evidence to conclude that configuration affects the type of failure

Number of configurations = 3

Number of failures = 4

assuming <em>Pij </em>represents proportion of items in pop i of the category j

H0 : <em>Pij = Pi * </em>Pj<em>,  </em>I = 1,2,-- I,  j = 1,2,---J

Hence the expected frequencies will be

16.10 , 43.58 , 18, 12.31

7.5,  19.37, 8 , 5.47

10.73, 29.05, 12, 8.21

x^2 = 13.25

test statistic = 14.44. Hence the significance level where Null hypothesis will be acceptable will be = 2.5%

3 0
2 years ago
A cone has a diameter of 18 units and height of 8 units. What is its volume?
Harlamova29_29 [7]
The answer is 10 volume
6 0
3 years ago
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