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deff fn [24]
4 years ago
15

Need help!!!!!!!!!!!!Please

Mathematics
1 answer:
Vikentia [17]4 years ago
4 0
Plz help I’m getting timed
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Can anyone help me with this. It asks to solve and check your answer.
Katarina [22]
4m -21 = 3(5m - 1) 
4m - 21 = 15m - 3
15m - 4m = -21 + 3
11m = -18
m = -18/11

To check: 
LHS → 4 (-18/11)  -21 = - 303/11
RHS → 3( 5(-18/11) - 1) = -303/11
LHS = RHS (The answer is right)
8 0
3 years ago
Which function is nonlinear?
Pavlova-9 [17]

Answer:

Option C. is nonlinear.

There is no specified degree in option C's equation, so it is impossible for it to be a linear equation.

6 0
2 years ago
Y=5x-13<br> 3x+5y=19 <br> Solve the system of equations by substitution.<br> The solution is
kodGreya [7K]
I was gonna answer but I’m not sure and I don’t want u to get it wrong so I’m just not gonna tell u sorry
5 0
3 years ago
Read 2 more answers
Label the sides in relation to the identified angle.<br><br> PLEASE HELP ILL GIVE BRAINLY
sesenic [268]
F= hypotenuse
E= opposite
G= adjacent

4 0
3 years ago
Which expression can be used to find the surface area of the following square pyramid
andreyandreev [35.5K]

Answer:

36+15+15+15+15

Step-by-step explanation:

For the surface area we need to add up all the areas in the pyramid:

  • area of the base
  • area of the triangle sides (there are 4 triangles)

Area of the base:

the base is a square, and the area of a square is given by:

a_{base}=l^2

where l is the length of the side: l=6, thus:

a_{base}=(6)^2\\a_{base}=36

Area of the triangles:

one triangle has the area given by the formula:

a_{triangle}=\frac{b*h}{2}

where b is the base of the triangle: b=6

and h is the height of the triangle: h=5, thus we have the following:

a_{triangle}=\frac{6*5}{2} \\\\a_{triangle}=\frac{30}{2} \\\\a_{triangle}=15

the expression that represents the surface area of the pyramid is:

a_{base}+area_{triangle}+area_{triangle}+area_{triangle}+area_{triangle}

substituting our values:

36+15+15+15+15

which is option B

7 0
4 years ago
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