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steposvetlana [31]
3 years ago
12

To add or subtract fractions with different denominators, first find equivalent fractions with a _____ denominator.

Mathematics
2 answers:
frosja888 [35]3 years ago
7 0
Common denominator is your answer.
IRINA_888 [86]3 years ago
4 0
Common denominator or LCM (least common multiple)
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Could anybody give me some help? I'm a little confused .-. <3
nika2105 [10]
What your teacher wants is for you to isolate y in the given equation. In other words, get y all by itself. 

To do this, you'll do two basic steps:
Step 1) Subtract 2x from both sides
Step 2) Divide both sides by 3

Let's do that and we get...
2x+3y = 1470
2x+3y-2x = 1470-2x ... apply step 1
3y = 1470-2x
3y = -2x+1470
3y/3 = (-2x+1470)/3 ... apply step 2 
y = (-2x)/3 + 1470/3
y = (-2/3)x + 490

After isolating y, we get y = (-2/3)x + 490
To get this into function notation, we simply replace y with f(x) to get the final answer f(x) = (-2/3)x+490 which is the same as writing f(x) = -\frac{2}{3}x+490

This graph represents all of the ordered pairs (x,y) that make the original equation true. For example, the point (x,y) = (0,490) is on the line where x = 0 and y = 490. This point is when 0 sandwiches are sold and 490 wraps are sold yielding a profit of $1470. Another point on this line is (x,y) = (3,488). Now 3 sandwiches have been sold along with 488 wraps leading to the same profit of $1470. Any ordered pair point you pick on the line should lead you to the same profit. 
3 0
3 years ago
The difference of a number and 8 is 46 less the number. Find the number ​
ahrayia [7]

Answer:

unsolvable

Step-by-step explanation:

n-8=46-n

n=(46-n)+8

n=54-n

5 0
3 years ago
Read 2 more answers
Can someone please give me an equation in slope-intercept form for this graph?
Scilla [17]

Answer:

substitute y = mx +b = (2/3)x -2

Step-by-step explanation:

slope intercert form looks like this

y = mx + b

m is the slope

b is the y intercept

The line intercepts the y at -2

To find slope, pick 2 points to find the slope

m = (y2 - y1)/(x2-x1)

i select point 1 (0,-2) and point 2 (3,0)

m = (0-(-2))/(3-0) = (2)/3

substitute y = mx +b = (2/3)x -2

4 0
3 years ago
Astronomers classified the planets into six sizes with five atmosphere types and four average temperature ranges. How many diffe
Phoenix [80]
Fire, ice, and inhabitants
4 0
3 years ago
HELP ASAP!!! 74 POINTS AND BRAINLIEST!!!!
Mice21 [21]

Answer:

the first one goes in the botten and the 2nd one goes into top 3rd goes into bottem.

Step-by-step explanation:

6 0
3 years ago
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