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Vlad [161]
3 years ago
5

Add and Subtract Fractions with unlike denominators

Mathematics
2 answers:
Alex17521 [72]3 years ago
7 0

Answer:

2 1/6

Step-by-step explanation:

2/3+2/4=8/12+6/12=14/12=1 2/12=1 1/6

1 1/6+1=2 1/6

Rom4ik [11]3 years ago
6 0

Answer:

21 hes got the right answer

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Write an equation that is parallel to y = 3x and passes through (-4 , -3)
Anit [1.1K]
The slopes of two parallel lines must be identical.

We have slope m=3, so the slope for the parallel line be the same.

Now, to find an equation that also passes through the given point, we use slope-point form, y-y_1=m(x-x_1), where our point (-4,-3) is substituted for (x_1,y_1).

y+3=3(x+4)

Now, we convert to slope-intercept form as such.

y=3x+12-3\\y=3x+9

And we are done. :) We can verify graphically that these are indeed parallel lines. See attached.

8 0
3 years ago
(3x+4)^3=2197 solve this equation
Burka [1]
(3x + 4)³ = 2197

Taking the cube root in this case is easier, although we can do it the extended way which is complicated.

\sqrt[3]{(3x+4)^3} = \sqrt[3]{2197}
3x + 4 = 13

Now solve normally.

subtract 4
3x + 4 = 13
       -4    -4

3x = 9
Divide by 3 to isolate 3

\frac{3x}{3}  =  \frac{9}{3}
3 and 3 cancels out

x = 3
7 0
3 years ago
Read 2 more answers
It math bad at it please help:);-)
abruzzese [7]

Answer:

It is -1/7 x (6p-1)

Step-by-step explanation:

Btw download photomath on your phone it helps alot

6 0
3 years ago
Find the range of f in given ordered pair f(X)=8x-9,D={4,5,6}. plz. help fasttt plspls<br>​
Phantasy [73]

Answer:

f(2) = -2 + 12 = 10 so the ordered pair is (-2, 10).

6 0
3 years ago
HELP ME PLEASE!! Urgently needed!!!
elixir [45]
The equation for the first part would be 4.50p+40=112.
This is because he earns 40 dollars in wages which doesn't change but the number of shoes he commissions, which would be 4.50 per pair. varies based on how many he commissions.

The answer to your second part would be 16.
To find the number, you subtract 40 from each side which gets you 4.50 = 72. From there you just divide which gets you 16.

Another easy way to do it would just be substituting until you find the right number like on a calculator but if you don't have a calculator on hand (let's say for a test), than the first way would be more effective.
4 0
3 years ago
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