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Akimi4 [234]
4 years ago
9

Solve S = 2ab + 2bc + 2ac for b

Mathematics
2 answers:
fgiga [73]4 years ago
7 0
 <span>A = 2ab + 2ac + 2bc 
A = 2b(a + c) + 2ac 
2b(a + c) = A - 2ac 
b = (A - 2ac) / [2(a + c)]</span>
saveliy_v [14]4 years ago
7 0
Take b as a common factor
s=b (2a + 2c) +2 ac


s-2ac=b (2a+2c)
b=(s-2ac)/(2a+2c)
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Ok if you can figure this out right your legend
Zigmanuir [339]

-20 + -3

-10 + -13

-15 + -8

-5 + -18

I hope this helps!

8 0
3 years ago
What are the x and y- intercepts for the line 4(y+3)=−2(x+6)?<br><br> Please give an actual answer.
kow [346]
Hello!

X and Y intercepts are found when graphing an equation. You know the X and Y intercepts by when a point crosses the X axis, and for the Y intercept, when a point crosses the Y axis.

First off we must simplify the equation.

4y + 12 = -2x - 12

Here is the photo of the graph attached.

By looking at the graph we can see the answer is...

X intercept = (-12,0)
Y intercept = (0,-6)

6 0
4 years ago
Find the average of the following set of numbers 18,29,6,33,14,26
lubasha [3.4K]

Answer:

Mode = 22 Median = 22.66* Range = 20

Step-by-step explanation:

So there is actually 3 different types of averages. The most common answer will be the median, thats the one where you add up all the numbers, then subtract by the number of numbers.

4 0
3 years ago
Read 2 more answers
Anything helps :) um bbut yeah okay please help
Rom4ik [11]

Answer:

PM = 26.1

Step-by-step explanation:

If they are both similar shapes, each side must be scaled up to the same factor. To find the missing side length, you must know that the side lengths are multiplied by the exact same number. Knowing this, you can set the ratio of the side lengths equal to each other and then cross-multiply to find the missing side length.

\frac{IJ}{MN} =  \frac{LI}{PM}                     <----- Ratio

\frac{15}{49} = \frac{8}{x}                           <----- Insert side lengths

15x = 392                     <----- Cross multiply

x = 26.1                        <----- Divide both sides by 15

7 0
2 years ago
What does 3/4 x 24 = ?
IrinaK [193]

Well, 1/4 of 24 gets us 6 (since 24 = 6 x 4), so <em>3/4 </em>should get us 6 × 3 = 18.

4 0
4 years ago
Read 2 more answers
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