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barxatty [35]
3 years ago
10

Can someone help me with these two questions??

Mathematics
1 answer:
igor_vitrenko [27]3 years ago
4 0

Answer:

14. A. Commutative Property of Addition.

15. D. k=54

Step-by-step explanation:

6 + 9 = 9 + 6 is an example of the Commutative Property of Addition so that is your answer.

k + (-12) = 42. What you do is add the 12 to both sides to get your answer.

k=54 is your answer.

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I WILL GIVE BRAINLIEST to who answers this question right
nydimaria [60]

Answer:

  41 2/3 feet

Step-by-step explanation:

The sum of wall lengths (in feet) is ...

  (12 1/4) + (10) + (12 1/4) + (10 -2 5/6)

  = (12 + 10 + 12 + 8) + (1/4 + 1/4 - 5/6)

  = 42 + (3/12 + 3/12 -10/12)

  = 42 - 4/12 = 42 - 1/3

  = 41 2/3 . . . feet

7 0
3 years ago
Need help somebody pleaseee
horsena [70]

Answer:

The second one I believe

8 0
3 years ago
5x +14+13x-2 i need help on these type of problems please
OleMash [197]

Answer:

18x+12

Step-by-step explanation:

5x+14+13x-2

combine Like terms:

5x+13x

14-2

18x+12

3 0
3 years ago
Read 2 more answers
Pls help me with this answer choice question! brainliest, rattings, thanks etc.
galina1969 [7]

Answer:

graph B

Step-by-step explanation:

Given

3y - 5x < - 6

Since the inequality is < then the line must be broken

If ≤ then line would be solid

The only possible graphs are B and D

Choose a test point in the shaded region of each graph and check validity

graph B (2, 0) ← substitute into left side of inequality

0 - 5(2) = 0 - 10 = - 10 < - 6 ← this is valid

graph D (0, 0 ) ← substitute into left side of inequality

0 - 0 = 0 > - 6 ← this is not valid

Hence graph B is the correct graph

3 0
3 years ago
What is the slope of the line which passes through (−2, 0) and (0, 4)? (5 points) 2 Undefined −2 0
krek1111 [17]

Answer:

The answer is option 1.

Step-by-step explanation:

You have to apply Gradient formula :

m =  \frac{y2 - y1}{x2 - x1}

let \: (x1 \: , \: y1) \: be \: ( - 2 \: , \: 0)

let \: (x2 \: , \: y2) \: be \: (0 \: , \: 4)

m = \frac{4 - 0}{0 - ( - 2)}

m =  \frac{4}{2}

m = 2

6 0
2 years ago
Read 2 more answers
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