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jenyasd209 [6]
2 years ago
15

3 is a factor of__ A)282 B)187 C)385 D)412​

Mathematics
1 answer:
MrRissso [65]2 years ago
7 0

Answer:

A. 282

Step-by-step explanation:

A trick I know is if you add all the digits of the number and they add up to a multiple of 3, it is divisible by 3.

282:

2 + 8 + 2 = 12

187:

1 + 8 + 7 = 16

385:

3 + 8 + 5 = 16

412:

4 + 1 + 2 = 7

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I need the answer pls help!
valina [46]

Answer:

x = ± 7

Step-by-step explanation:

Given

(2x - 1)(3x + 2) = x + 292 ← expand left side using FOIL

6x² + x - 2 = x + 292 ( subtract x from both sides )

6x² - 2 = 292 ( add 2 to both sides )

6x² = 294 ( divide both sides by 6 )

x² = 49 ( take the square root of both sides )

x = ± 7

That is x = - 7, x = 7

7 0
3 years ago
Hi, I need some help with this slope problems
kirza4 [7]
1. D
2. Y= .25x-1.5
3.
4. M= -9/2 y-intercept = -12
5. M= -2 y= 0

7. A. (I think)
8. Y=2x-18
6 0
2 years ago
Performance Matters
spayn [35]

Answer:

the 1st, 2nd and 6th statements are true.

and probably the 3rd statement is true.

I am not sure about the 3rd statement, as I cannot read the original in your screenshot, and your transcribed description is probably not correct and contains typos.

but all you need is in the explanation below to decide, if the actual 3rd statement is true or not.

if "58 + 79 = 1268" actually means "5s + 7g = 1268" then it is true. otherwise it is false.

Step-by-step explanation:

g = number of general tickets sold

s = number of student tickets sold

so, in total

g + s = 234

tickets were sold.

and the revenue was

7g + 5s = $1,268

out of these 2 basic equating we get

g = 234 - s

and then

7(234 - s) + 5s = 1,268

1,638 - 7s + 5s = 1,268

-2s = -370

s = 185

g = 234 - s = 234 - 185 = 49

so, we know

185 student tickets were sold for 5×185 = $925

49 general tickets were sold for 7×49 = $343

7 0
2 years ago
Which equations show inverse operations of each other? Choose exactly two answers that are correct. 16×1/4  =4     1/4 ÷4 =116  
qaws [65]

Answer:

6 × 1/4 = 4

4 × 1/4 = 1

4 ÷ 1/4 = 16

All three of these are correct

Step-by-step explanation:

16 × 1/4 = 4

16/4 = 4

4 = 4


1/4 ÷ 4 = 116

1/4 × 1/4 = 116

1/16 ≠ 116


4 x 1/4 = 1

4/4 = 1

1 = 1


4 ÷ 1/4 = 16

4 × 4 = 16

16 = 16

8 0
3 years ago
What is the square root of 134
OleMash [197]

Answer:

11.5758369028

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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