3 years ago

3x + 7x= Combine like terms

Mathematics

1 answer:

Gnoma [55]3 years ago

5 0

Answer:

10x

Step-by-step explanation:

3x + 7x

= 10x

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What is the sum of the given polynomials in standard form?

Aneli [31]

Answer:

D. -x2 + 2x -3

Step-by-step explanation:

the first step is we open all the brackets then it will be :

x2 - 3x - 2x2 + 5x - 3

= x2 - 2x2 - 3x + 5x - 3

= -x2 + 2x -3

4 0

3 years ago

What is the solution of the following equation? 2x-5+3x=35

harina [27]

2x - 5 + 3x = 35 

simplify 

5x - 5 = 35 

add 5 to both sides 

5x - 5 + 5 = 35 + 5 

simplify 

5x = 40 

divide both sides by 5 

5x/5 = 40/5 

simplify 

x = 8 

 

5 0

3 years ago

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Can anyone please help me find the length of X?

Alex_Xolod [135]

Solution:

Note that:

2(Perimeter of smaller triangle) = Perimeter of larger triangle

Using the perimeter of the smaller triangle, solve for x.

2(Perimeter of smaller triangle) = Perimeter of larger triangle
=> 2(3.5 + x + h) = 7 + 4 + 2h
=> 7 + 2x + 2h = 7 + 4 + 2h
=> 2x = 4
=> x = 2

The length of x is 2 units.

8 0

2 years ago

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lesantik [10]

$\bf \begin{array}{ccll} oz&calories\\ \cline{1-2} 6&90\\ 64&x \end{array}\implies \cfrac{6}{64}=\cfrac{90}{x}\implies \cfrac{3}{32}=\cfrac{90}{x}\implies 3x=2880 \\\\\\ x=\cfrac{2880}{3}\implies x=960$

3 0

3 years ago

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Y = 4x – 10 y = 2 What is the solution to the system of equations?

ruslelena [56]

Y=4x-10
y=2
2=4x-10
12=4x
x=3
y=2

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3 years ago

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