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ki77a [65]
2 years ago
15

Simplify the expression -3(x+3)+4x

Mathematics
2 answers:
Korolek [52]2 years ago
8 0

Answer:

x - 9

Step-by-step explanation:

In this case, "simplify" directs that you 1) carry out the indicated multiplication and 2) combine like terms.

-3(x+3)+4x = -3x - 9 + 4x = x - 9

m_a_m_a [10]2 years ago
7 0

Answer: x-9


Step-by-step explanation: To get rid of the parentheses you must distribute or multiply the -3 to all the numbers inside the parentheses.

-3(x+3)+4x

-3x-9+4x

Then we combine like terms which will give us our answer.

-3x-9+4x

x-9

Since this is an expression and not an equation there will <em>not </em>be a result. We are only simplifying the expression.

So the final answer is

<em><u>x-9 Hope this helps!</u></em>

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4 0
3 years ago
Determine the slope of the line that passes through the given points. (8, 1) and (8, -4)
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This would be undefined
8 0
2 years ago
An equilateral triangle has an altitude of 15 m. What is the perimeter of the triangle?
kondor19780726 [428]
Equilateral triangle mean every sides and angles are equal 
so the measure of angles is 60 degrees 
 given that has an altitude of 15 m so this mean that 

sin 60 = altitude / hypotenuse 

sqrt3 /2 = 15/hyp.

hyp. = 15/(sqrt3 /2)

hyp. = 30/sqrt3 = 30sqrt3 / 3 = 10sqrt3

so in this way ve got that a side length is equal 10sqrt3 and the perimeter 

P = 3*10sqrt3 

P = 30sqrt3 m  so the 3rd choice is right,correct sure 

hope helped 


3 0
3 years ago
Read 2 more answers
PLZ HELP ASAP TANGENTS OF CIRCLES
bezimeni [28]
First, we are given that the inscribed angle of arc CB which is angle D is equal to 65°. This is half of the measure of the arc which is equal to the measure of the central angle, ∠O. 
 
    m∠O = 2 (65°) = 130°

Also, the measure of the angles where the tangent lines and the radii meet are equal to 90°. The sum of the measures of the angle of a quadrilateral ACOB is equal to 360°. 

     m∠O + m∠C + m∠B + m∠A = 360°

Substituting the known values,
     130° + 90° + 90° + m∠A = 360°

The value of m∠A is equal to 50°.

<em>Answer: 50°</em>
7 0
3 years ago
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