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Bogdan [553]
2 years ago
6

Which of the following lines is parallel to the graph of 5x+2y=8

Mathematics
1 answer:
nikklg [1K]2 years ago
4 0
5x+2y=8
2y=-5x+8
y=-2.5x+4

a.2x+5y=3
5y=-2x+3
y=-2/5x+3/5  so it isn't a

b.5x+3y=6
3y=-5x+6
y=-1 2/3x+2 so it isn't b

c. -10x-4y=7
-4y=10x+7
y=-2.5x-7/4 So it is c

Hope this helps :)
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A surgical procedure requires choosing among four alternative methodologies. The first can result in five possible outcomes, the
Illusion [34]

Answer:

15 possible outcomes

Step-by-step explanation:

Since each one of these methodologies are not related to one another and they do not need to be chosen in any order or consecutively then the possible outcomes would only need to be added all together to calculate the total possible outcomes. Since each outcome is independent. Therefore,

m1 = 5 outcomes

m2 = 2 outcomes

m3 = 4 outcomes

m4 = 4 outcomes

5 + 2 + 4 + 4 = 15

we can see that there are a total of 15 possible outcomes

4 0
2 years ago
Solve the system:<br> x + 5y = -15<br> -2x -10y = 30*
Ksju [112]

Answer:

x= -5/3 y-5

Step-by-step explanation:

6 0
3 years ago
Rearrange the equation so n is the independent variable.<br> m+1=-2(n+6)<br> m=
S_A_V [24]

Answer:

m=-2n-13

Step-by-step explanation:

m+1=-2(n+6)

m+1=-2n-12

   -1.        -1

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

m=-2n-13

4 0
2 years ago
Read 2 more answers
Under what operations are the set of integers closed? Explain your answer. UPDATE ANSWER IS
stich3 [128]

Answer:

see below

Step-by-step explanation:

Closed under addition, subtraction and multiplication

Not closed under division :-

for example  3/4 = 0.75 which is not an integer

8 0
3 years ago
Read 2 more answers
Help please! Calculate the exact value of cos (a-b) given that sin a= 12/13 with pi/2
zloy xaker [14]

Answer:

56/65

Step-by-step explanation:

First, we know that cos(a-b) = cos(a)cos(b) + sin(a)sin(b)

We know what sin(a) and sin(b) are, and to get cos(a), we can take the equation sin²a + cos²a = 1

Thus,

(12/13)² + cos²a = 1

1 - (12/13)² = cos²a

1- 144/169 = cos²a

cos²a = 25/169

cos(a) = 5/13

Similarly,

(3/5)² + cos²b = 1

1 - (3/5)² = cos²b

1 - 9/25 = cos²b

cos²b = 16/25

cos(b) = 4/5

Our answer is

cos(a-b) = cos(a)cos(b) + sin(a)sin(b)

cos(a-b)  = (5/13)(4/5) + (12/13)(3/5)

cos(a-b)  = 20/65 + 36/65

cos(a-b)  = 56/65

4 0
2 years ago
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