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VARVARA [1.3K]
3 years ago
8

Billy is two years older than his friend Josh. If the sum of their ages is 26,how old are billy and josh​

Mathematics
2 answers:
Phantasy [73]3 years ago
5 0

Answer:

josh is 11 and billy is 15

Step-by-step explanation:

yooo

vladimir1956 [14]3 years ago
5 0
Billy is two years older than his friend josh if the sum of their ages is 26, how old are billy and josh.

J + B +2= 26

J=12

B= 14
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Answer:

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Step-by-step explanation:

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3 years ago
Use counting to determine the whole number that corresponds to the cardinality of these sets:______. (a) A= (xl x € Nand 20.<
Harlamova29_29 [7]

Answer:

Step-by-step explanation:

Cardinality of a set is defined as number of element in a set. It is represented as n(X) where X is any set.

a) Given the set A =(x l x € N and 20.< x<27). According to the set, the set contains the values of natural numbers between 20 and 27. The values are 21, 22, 23, 24, 25 and 26

A = (21, 22, 23, 24, 25, 26)

According to the set A, it can be seen that there are 6 elements in the set, <em>this means n(A) = 6.</em>

b) Given B=(x | xeN and x+1=x)

Since natural numbers starts from 1, the first element in the set is 2 i.e 1+1

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<em>The number of whole number in the set is therefore infinite. </em>

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We need to get the root of the equation  (x- 1)(x - 9) = 0

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x = 1 and x = 9

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3 0
3 years ago
X = 16 - 4y<br> 3x + 4y =8 <br> substitution method
8_murik_8 [283]

Answer:

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Step-by-step explanation:

x = 16 - 4y

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3(16 - 4y)+4y = 8

48-12y+4y = 8

48-8y = 8

48-8 = 8y

40 = 8y

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x = 16 - 4y

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3 years ago
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nekit [7.7K]

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Step-by-step explanation:

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nata0808 [166]

Answer:

Step-by-step explanation:

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7 0
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