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gregori [183]
3 years ago
7

Which of these operations should br completed first when solving an equation?

Mathematics
1 answer:
Sever21 [200]3 years ago
6 0

Answer:

Divide

Step-by-step explanation:

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Is 6 2/3 greater or less than 6 12/15
cricket20 [7]

we need to get a common denominator

2/3    2/3 * 5/5 = 10/15

6 2/3 = 6 10/15 < 6 12/15


so 6 2/3 < 6 12 /15

7 0
3 years ago
Solve for x in the hanger below
Eva8 [605]

Answer:

x=3

Step-by-step explanation:

5 0
2 years ago
Determine the value of a so that the line whose equation is ax+y-4=0 is perpendicular to the line containing the points (2,-5) a
soldi70 [24.7K]
First, write the equation of the line containing the points <span>(2,-5) and (-3,2).

We can use 2 point form, or point-slope form.

Let's use </span>point-slope form.

the slope m is \frac{-5-2}{2-(-3)}= \frac{-7}{5}, then use any of the points to write the equation. (ex, pick (2, -5))

y-(-5)=(-7/5)(x-2)

y+5=(-7/5)x+14/5

y= (-7/5)x+14/5 - 5 =(-7/5)x+14/5 - 25/5 =(-7/5)x-11/5


Thus, the lines are 

i) y=-ax+4      and  ii) y=(-7/5)x-11/5

the slopes are the coefficients of x: -a and (-7/5),

the product of the slopes of 2 perpendicular lines is -1, 

so 

(-a)(-7/5)=-1

7/5a=-1

a=-1/(7/5)=-5/7


Answer: -5/7
6 0
3 years ago
17x - 400 = 250 + 30x
ruslelena [56]
-50 i hope this helps.
4 0
2 years ago
Read 2 more answers
What is equivalent to 8a-7-29a-8<br> A. 65a+80<br> B. -21a-15<br> C. 3a<br> D. 37a+15
Reptile [31]

Answer:

B. -21a-15

Step-by-step Explanation:

8a-7-29a-8 \\  \\  = 8a - 29a - 7 - 8 \\  \\  =  - 21a - 15

7 0
3 years ago
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