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ira [324]
3 years ago
6

Somebody help me please

Mathematics
2 answers:
DIA [1.3K]3 years ago
7 0

Answer:

  • sum of no and 12 is 12+x
  • difference b/w 12 and a no is 12-x
  • 12 groups of some no is 12x
  • some no of people split into 12 rows is x/12

Hope this helps!

natima [27]3 years ago
6 0

Answer:

b

c

a

d

Step-by-step explanation:

sum=addition

difference=subtraction

groups=hints multiplication

split into=division

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Which of the following is the equation of a line perpendicular to the line, , passing through the point (3,9)?
julsineya [31]
Y = -3/2x + 4...slope is -3/2
A perpendicular line will have a negative reciprocal slope. All that means is " flip " the slope and change the sign. So that means the slope we will need is 2/3...see how I flipped the slope and changed the sign.
Now we use y = mx + b....slope(m) = 2/3....(3,9)...x = 3 and y = 9.
Time to sub...we r looking for b, the y intercept.

9 = 2/3(3) + b
9 = 2 + b
9 - 2 = b
7 = b 

so the perpendicular equation is : y = 2/3x + 7...but we need it in Ax + By = C form....
y = 2/3x + 7....multiply by common denominator of 3 to get rid of fractions
3y = 2x + 21...subtract 2x from both sides
-2x + 3y = 21....<== ur answer...normally, I would have multiplied this by -1 to make x positive...but that is not an answer choice
5 0
3 years ago
Given the domain (-4, 0,5), what is the range for the relation y = -2x +
mote1985 [20]

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y =f(x) =   - 2x + 4

_________________________________

f( - 4) =  - 2( - 4) + 4

f( - 4) = 8 + 4

f( - 4) = 12

_________________________________

f(0) =  - 2(0) + 4

f(0) = 0 + 4

f(0) = 4

_________________________________

f(5) =  - 2(5) + 4

f(5) =  - 10 + 4

f(5) =  - 6

_________________________________

Range = { 12 , 4 , -6 }

Thus the correct answer is (( A )) .

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4 0
3 years ago
Help would be greatly appreciated!
hammer [34]

Answer:

c

Step-by-step explanation:

4 0
3 years ago
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I need help with number 4
krek1111 [17]
If I'm correct you, add the two prices together, getting the price of $429.99
6 0
4 years ago
A triangle has one angle that measures 23 degrees, one angle that measures 47 degrees, and one angle that measures 110 degrees.
blsea [12.9K]

Answer:

B) Scalene Triangle

Step-by-step explanation:

This must be a scalene triangle because:

If it were a right triangle, there would be a right angle so A is out

If it were an equilateral triangle, all 3 angles would be equal to each other so C is out

If it were an isosceles triangle, 2 angles would be equal to each other so D is out

A scalene triangle consists of angles that add up to 180 degrees, but none of them are equal to each other. Therefore B is right.

4 0
3 years ago
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