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Dmitrij [34]
2 years ago
5

9/-10 = x/15 What's the right answer?

Mathematics
2 answers:
mel-nik [20]2 years ago
8 0

Step-by-step explanation:

mark me as brilliant plzz

sesenic [268]2 years ago
4 0

Answer:

x = - 13.5 or - 13½

Step-by-step explanation:

9 / - 10

= - 9 / 10

= - ( 9 / 10 )

9 / 10 in decimal is 0.9

= - 0.9

- 0.9 = x / 15

Cross multiply,

x = - 0.9 * 15

x = - 13.5

- 13.5 in mixed fraction = - 13½

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lina2011 [118]

Answer:

B. 6k^11

Step-by-step explanation:

2k^8 • 3k^3

The • sign means

multiplication

So 2k^8 x 3k^3

6k^8+3

6k^11

4 0
3 years ago
If c(x)=5/x-2 and d(x)=x+3,. What is the domain of (CD)(x)
valentina_108 [34]

Answer:

  all real numbers except x=2

Step-by-step explanation:

We assume you intend c(x) = 5/(x-2), rather than c(x) = (5/x) -2 as written.

__

The domain of c(x) is real numbers, excluding 2. Multiplying c(x) by d(x) doesn't change that.

The domain of (cd)(x) = c(x)×d(x) = 5(x+3)/(x-2) is "all real numbers except 2".

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2 is excluded because c(x) is undefined for that value.

6 0
4 years ago
Evaluate k(t) = 13t-2 <br><br> k(3)=
NikAS [45]
K(t) = 13t - 2
k(3) = 13(3) - 2
k(3) = 39 - 2
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8 0
4 years ago
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Solve this system of equations using substitution<br> y=2x+6<br> 2x-y=2
Dahasolnce [82]

Answer:

No Solution.

Step-by-step explanation:

y=2x+6

2x-y=2

--------------

2x-(2x+6)=2

2x-2x-6=2

-6=2

no solution

4 0
4 years ago
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pickupchik [31]

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8 0
2 years ago
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