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max2010maxim [7]
4 years ago
11

1:2=n:9. Can someone show me the answer

Mathematics
2 answers:
Dahasolnce [82]4 years ago
6 0

Answer:

n = 4.5

Step-by-step explanation:

1              n

------= ------------

2            9

using cross products

1 * 9 = 2 * n

divide each side by 2

9/2 = 2n/2

9/2 = n

n = 4.5

pantera1 [17]4 years ago
5 0
A: n=4.5

1/2 n/9

2×x=9
2×4.5=9

1×4.5=4.5

So n=4.5
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mojhsa [17]

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Step-by-step explanation:

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3 years ago
Is j+j+j+j and j with the power of four equivalent? ​
spayn [35]

Answer:

No, they are not equivalent.

Step-by-step explanation:

j + j + j + j = 4j

j^4

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5 0
3 years ago
Read 2 more answers
Evaluate the following expression by applying the appropriate properties (24) 3 (31.7)/ 172
ale4655 [162]

−3/7×14/15×7/12×(−30/35)

=(−3/7×14/15)×(7/12×−30/35)

On further calculation, we get

=−2/5×−1/2

We get,

=1/5.

Property 1:

If a/b is a rational number and m is a non-zero integer then a/b =(a*m)/(b*m). In other words, we can say that the rational number remains unaltered if we multiply both the numerator and denominator with the same integer. Ex: 2/3 = 2*2/3*2 = 4/6, 2*3/3*3 = 6/9, 2*4/3*4 = 8/12.

Math Properties

Commutative Property.

Associative Property.

Distributive Property.

Identity Property.

Inverse Property.

Learn more about appropriate properties at

brainly.com/question/23576294

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7 0
2 years ago
Select ordered pairs that's satisfy the function Y=-6x-2
sveticcg [70]
Basically, u just sub in any number for x and solve for y

y = -6x - 2.....lets say x = 0
y = 6(0) - 2
y = -2....so when x is 0, y is -2 .....(0,-2)

y = -6x - 2....lets say x = 1
y = -6(1) - 2
y = -6 - 2
y = -8.......another solution is (1,-8)

y = -6x - 2....lets say x = 2
y = -6(2) - 2
y = -12 - 2
y = -14....another solution is (2,-14)

y = -6x - 2....lets say x = 3
y = -6(3) - 2
y = -18 - 2
y = -20...another solution is (3,-20)

I think u get the idea now :)
5 0
4 years ago
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