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vredina [299]
2 years ago
10

What is the slope for a line that is perpendicular to the line y=-5+4

Mathematics
1 answer:
ahrayia [7]2 years ago
8 0

Answer:

just change the signs

Step-by-step explanation:

y=5-4

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In a high school senior class, the ratio of girls to boys is 5:3. If there are a total of 168 students
NISA [10]

Answer:

105 girls

Step-by-step explanation:

the ratio is 5:3 equal to 168. You need to multiply the ratio with 21 to make it equal

6 0
3 years ago
How do I determine whether 3x-4y+7=3y is a linear equation and how do I write it in standard form?? (I learned this already but
Pani-rosa [81]

Equation of the straight line can be given in more form. The most common forms are implicit (general or standard) form ax+by+c=0 and explicit form y=kx+i, where k is line coefficient and l is cut which line made on the y axis. If k>0 then the angle that takes straight line  with the positive direction to the x axis is sharp and if k<0 then the angle that takes straight line with positive direction to the x axis is obtuse. In you case  you only need to form one monomial with variable y in the given equation in the following way: 3x-4y+7=3y => add to both side (-3y) and you get 3x-4y-3y+7=3y-3y finally we get implicit or general 3x-7y+7=0. If is it necessary to transform from the implicit into the explicit form we will do this in the following way: 3x-7y+7=0 add to both side expression (-3x-7) => 3x-3x-7y+7-7=-3x-7 => divide both side with (-7) => y= (-3x-7)/ (-7) => finally we get y=3/7 x + 1 ( in our case coefficient of direction k=3/7 and the cut which line is made3 on the y axis l=1). Its display in the decartes coordinate system is given in one of the already given answers.  

3 0
3 years ago
7. Mrs. Golden pulls names from the jar to determine who will be the class leader. There are 13
Artist 52 [7]

Answer:

9:22

Step-by-step explanation:

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22 is the total

3 0
3 years ago
A submarine was twenty feet below the surface of the water and
Korolek [52]

Answer:

c 52.5 feet below

Step-by-step explanation:

6 0
3 years ago
What is the least common multiple of 28 and 8
nordsb [41]
LEAST COMMON MULTIPLE is 56

hope this helped☺

6 0
3 years ago
Read 2 more answers
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