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blsea [12.9K]
3 years ago
13

(m+3n) ^2 please help me solve this question, I really need it

Mathematics
1 answer:
Charra [1.4K]3 years ago
7 0

Answer:

=m2+6mn+9n2

Step-by-step explanation:

=(m+3n)(m+3n)

=(m)(m)+(m)(3n)+(3n)(m)+(3n)(3n)

=m2+3mn+3mn+9n2

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Help me please I’ll give brainliest
Lady bird [3.3K]

Answer:

x=124

Step-by-step explanation:

Hope this helps

the whole is 180

180-48 is 132

132-8 = 124

4 0
2 years ago
Read 2 more answers
What is the y-intercept of the equation of the line that is perpendicular to the line y =
igor_vitrenko [27]

Answer:

y=-5/3x+20

Step-by-step explanation:

Let the equation of the required line be represented as \[y=mx+c\]

This line is perpendicular to the line \[y=\frac{3}{5}x+10\]

\[=>m*\frac{3}{5}=-1\]

\[=>m=\frac{-5}{3}\]

So the equation of the required line becomes \[y=\frac{-5}{3}x+c\]

This line passes through the point (15.-5)

\[-5=\frac{-5}{3}*15+c\]

\[=>c=20\]

So the equation of the required line is \[y=\frac{-5}{3}x+20\]

Among the given options, option 4 is the correct one.

3 0
2 years ago
What is the unit rate of 88 students for 4 classes
Nat2105 [25]
So, We Have A Rate That We Need To Simplify. We Have:
88 students for every 4 classes
So, We Need To Simplify This Rate. In Order To Do This, We Need To Change Is To A Fraction. It Is:
88 students
---------------
  4 classes

Now, We Have To Simplify. We Can Do That By Remembering How To Simplify Fractions.

So,
88 ÷ 2 =  44   ÷ 2  =   22 students
---            ---               ---------------
 4  ÷ 2 =   2    ÷ 2  =           1

So, The Unit Rate For 88 Students For 4 Classes Is:
22 Students For One Class

5 0
3 years ago
I need help with thisss
Yanka [14]
I believe the answer is 18, because 5x3=15, so we can only assume that N is 6x3=18.
5 0
3 years ago
Read 2 more answers
At a ski resort, the cost of renting ski equipment for x days can be represented by the function
Andrews [41]

Answer:

  • C(h(x)=14x-7)

Step-by-step explanation:

h(x)=44x+8-(30x+15)

=44x+8-30x-15

=44x-30x+8-15

=14x-7

7 0
3 years ago
Read 2 more answers
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