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Svetllana [295]
3 years ago
13

Please help me and please show your work (1thanks reward)

Mathematics
1 answer:
larisa86 [58]3 years ago
8 0
Fn= (5x+3)+(7x-9)
i have made it simpler
solve it
and u will get the answer

You might be interested in
The equation for the circle below is the x2 + y2=81. what is the length of the circles radius
larisa [96]

Answer:

9

Step-by-step explanation:

Compare your x2 + y2=81 to the following:

                       x^2 + y^2 = 81

The " ^ " symbol indicates exponentiation.

Now compare  x^2 + y^2 = 81 to

                         x^2 + y^2 = r^2.  

This is the standard equation of a circle of radius r centered at the origin, (0,0).  You can see for yourself that 81 must equal r^2.


Taking the square root of 81, we get plus or minus 9.

But the radius must be positive, so we reject the -9 and take +9.

The radius is 9.

8 0
3 years ago
Read 2 more answers
Graph -5x + 2 > 3y and 3x-4y <3
Sladkaya [172]

Answer:

Below!

Step-by-step explanation:

Solve for  y.

Rewrite in slope-intercept form.

Use the slope-intercept form to find the slope and y-intercept.

Any line can be graphed using two points. Select two  x  values, and plug them into the equation to find the corresponding  y  values.

Graph the line using the slope and the y-intercept, or the points.

4 0
3 years ago
Hi! Does any one know how to do proportions? If so can you please help me out with these 2 problems? please show work on how you
Nataly [62]
Answers:

1.) 18 lemons
2.) 80 minutes

Explanation:

Porportions are a lot like fractions. For the first question, you can make the fraction 6/8, or 3/4 simplified. This means that for every 8 cups of water, you need 6 lemons.

Then, to find the amount of lemons you need if you have 24 cups of water, you need to think about what×8= 24. If we divide 24 by 8, we get 3, so if we multiply our fraction by 3/3, we should get the answer.

If we do 6/8 × 3/3, we get 18/24. This means that we need 18 lemons if we were to use 24 cups of water.

For the next question, our fraction 15/60, for 15 cakes baked in 60 minutes. Now we need to divide 20 cakes by 15.

This question is a little different from the first one because there will be a decimal involved. If we do 20/15, we get 1⅓. This means that this time, we will multiply 15/60 by (1⅓)/(1⅓).

If we multiply 60 by 1⅓, we get 80, which is the number of minutes needed to bake 20 cakes.

Hope this helps :)
6 0
3 years ago
Solve for x: 3(x + 1) = −2(x − 1) − 4.
alina1380 [7]
3x + 3= -2x + 2-4
3x+2x =-2 -3
5x= -5
X= -5
7 0
3 years ago
Evaluate 6a-b^2/2 + (b/a)^2 if a = 2 and b = 4.<br><br> 2<br> 6<br> 10.25<br> 36
rodikova [14]

\frac{6a -  {b}^{2} }{2}  +  \binom{b}{a}  ^{2}

a=2 b=4

\frac{6(2) -  {4}^{2} }{2}  +    \binom{4}{2}^{2}

\frac{12 - 16}{2}  +  \frac{16}{4}

\frac{ - 4}{2}  + 4

- 2 + 4 = 2

answer is option a 2

please mark this answer as brainlist

4 0
3 years ago
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