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kirill115 [55]
3 years ago
15

Which of the numbers below are exactly divisible by 9?

Mathematics
2 answers:
ss7ja [257]3 years ago
8 0
B and C can be divided by 9.
Klio2033 [76]3 years ago
4 0
The answers are b and c because they are both multiples of nine<span />
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15/30 = n/34 round to the nearest tenth.
avanturin [10]
The equation given in the question has to be answered to the nearest tenth. The only thing that one should be careful about is the cross multiplication part. Other than that there is no difficulty in the given problem. Now let us get down to the equation in the question.
15/30 = n/34
30 * n = 15 * 34
30n = 510
n = 510/30
   = 51/3
   = 17
So the value of the unknown variable "n" comes out to be 17.
6 0
3 years ago
Read 2 more answers
Quadrilateral ABCD has opposite sides that are parallel and side AB congruent to side DC. What classification can be given to AB
fomenos
One pair of opposite sides both parallel and congruent implies a parallelogram.
6 0
3 years ago
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Shelly can cut a lawn with a riding mower in 22 hours less time than it takes william to cut the lawn with a push mower. if they
umka2103 [35]
Let n be the amount of time it takes william to cut the lawn. Then Shelly takes
n-2 hours. So:
1/n+1/n-2=1/3
3(n-2)+3n=n²-2n
6n-6=n²-2n
n²-8n+6=0
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7 0
3 years ago
Find the LCD of the given rational equation: -3/x+2 + 5x/x-1 = x+2/x^2-3x+2
Natali [406]
Answer:

(x - 1)( x - 2) (x + 2) = x³ -x² -4x + 4.

Explanation:

1) Given equation:

    3             5x            x + 2
- ------- +  -------- =  ---------------
 x + 2        x - 1       x² - 3x + 2

2) So, the denominators are x + 2, x - 1, and x² - 3x + 2

3) The LCD is the product of the common and non common factors raised to the greatest power.

4) x + 2, and x - 1 are already prime factors

5) Factor x² - 3x + 2

x² - 3x + 2 = (x - 2)(x - 1)

6) Then, the factors are x + 2, x - 1, and x - 2, and the LCD is the product of them:
(x - 1)( x - 2) (x + 2)

7) If you expand the products (distributive property) you get:
x³ -x² -4x + 4.



5 0
3 years ago
What is the area of the triangle?
Natasha_Volkova [10]

Answer:

Step-by-step explanation:

Area = 1/2(b×h)

b = 18, h = 8

Area = 1/2(18×8)

Area = 18 × 4

Area = 72 square inches

7 0
3 years ago
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