4 years ago

What times what equals 18

2 answers:

8 0

9 x 2 = 18
6 x 3 = 18
and 18 x 1 = 18

5 0

Nine times two is eighteen

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irina [24]

1=-3x-12
13=-3x
3x=-13
X=-4.33333
Brainliest please? Thanks!

7 0

3 years ago

luda_lava [24]

Answer:

$288

Step-by-step explanation:

hope this helps

5 0

3 years ago

Kamila [148]

Answer:

C. -11,325

Step-by-step explanation:

To know the answer, is convenient to replace some values of "n" in the sum $\sum_{(n=1)}^{150}[-1-(n-1)]$ .

The result would appear after adding up every value of the expression $\sum_{(n=1)}^{150}[-1-(n-1)]$ when n=1,2,3.....,150.
When n=1, the expression takes the value of (-1): $[-1-(1-1)]= (-1)-0=-1$ .
When n=2, the expression takes the value of (-2): $[-1-(2-1)]=-1-1=-2$ .
Following this way, for every n, we will obtain -n, then, the sum will be: $-1-2-3-4-5-6-...-150$ . This sum can actually be expressed as $\sum_{n=1}^{150}(-n)$ , which is the result of solving the initial expression of the sum $-1-(n-1)=-1-n+1=-n$ .
Finally, the sum of n=-1 to n=-150 equals -11,325.