1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
exis [7]
2 years ago
8

Which expressions are equivalent to 3(4h + 2k)?

Mathematics
1 answer:
faltersainse [42]2 years ago
5 0

Answer:

A

Step-by-step explanation:

If we distribute the 3 to the equation in the parenthesis, we end up with this

12h + 6k

Now, let's do the same thing for the other two equations

3(2k + 4h) = 6k + 12h

You can rearrange this equation to look like 12h+ 6k, making it the exact same as 3(4h + 2k).

So A is equivalent

How about B?

3(4h + 2h) = 12h + 6h = 18h

18h does not equal 12h + 6k, so B is not equivalent

You might be interested in
5/9 x 4 <br><br> PLS SHOW YOUR WORK IT HELPS ME A LOT!! :) TY
Gala2k [10]

Answer:

20 over 36

You cant put into mixed fraction

7 0
2 years ago
Read 2 more answers
Choose all the equations for which x=2 is a solution
saul85 [17]

Answer:

Option A and Option E

Step-by-step explanation:

Option A.

x + 3 = 5

(x + 3) - 3 = 5 - 3

x = 2

Option B.

x + 2 = 8

(x + 2) - 2 = 8 - 2

x = 6

Option C.

x + 1 = 1

(x + 1) - 1 = 1 - 1

x = 0

Option D.

x - 2 = 4

(x - 2) + 2 = 4 - 2

x = 2

Option E.

x - 7 = -5

(x - 7) + 7 = -5 + 7

x = 2

Therefore, Option (A) and Option (E) are the correct options.

5 0
3 years ago
What is the sum?<br> x2-9<br> X+3
VashaNatasha [74]
The sum is x2 - 9x + 3
4 0
3 years ago
Point I is on line segmentHJ‾HJ . Given HI=x,HI=x, IJ=2x+9,IJ=2x+9, and HJ=4x, HJ=4x, determine the numerical length of IJ‾.IJ .
Shalnov [3]

Answer:

IJ= 27

Step-by-step explanation:

HI+IJ=HJ

x+2x+9=4x

combine like terms

x=9

IJ=2(9)+9

18+9=27

IJ=27

4 0
3 years ago
The line l is tangent to the circle with equation x^2 + y^2=10 at the point P.
babunello [35]

Given:

The equation of a circle is

x^2+y^2=10

A tangent line l to the circle touches the circle at point P(1,3).

To find:

The equation of the line l.

Solution:

Slope formula: If a line passes through two points, then the slope of the line is

m=\dfrac{y_2-y_1}{x_2-x_1}

Endpoints of the radius are O(0,0) and P(1,3). So, the slope of radius is

m_1=\dfrac{3-0}{1-0}

m_1=\dfrac{3}{1}

m=3

We know that the radius of a circle is always perpendicular to the tangent at the point of tangency.

Product of slopes of two perpendicular lines is always -1.

Let the slope of tangent line l is m. Then, the product of slopes of line l and radius is -1.

m\times m_1=-1

m\times 3=-1

m=-\dfrac{1}{3}

The slope of line l is -\dfrac{1}{3} and it passs through the point P(1,3). So, the equation of line l is

y-y_1=m(x-x_1)

y-3=-\dfrac{1}{3}(x-1)

y-3=-\dfrac{1}{3}(x)+\dfrac{1}{3}

Adding 3 on both sides, we get

y=-\dfrac{1}{3}x+\dfrac{1}{3}+3

y=-\dfrac{1}{3}x+\dfrac{1+9}{3}

y=-\dfrac{1}{3}x+\dfrac{10}{3}

Therefore, the equation of line l is y=-\dfrac{1}{3}x+\dfrac{10}{3}.

4 0
2 years ago
Other questions:
  • Classify the following triangle. Check all that apply.
    13·2 answers
  • a motorboat maintained a constant speed of 18 miles per hour relative to the water and going 35 miles upstream and then return.
    11·2 answers
  • HELP HELP !! 5(-3x - 2) - (x - 3) = -4(4x + 5) + 13
    6·1 answer
  • Two less than three-fifths a number less or equal to forty-one
    8·2 answers
  • Explain how to write the number that is 0.02 less than 1.423
    13·1 answer
  • Elise goes to an exercise class every Wednesday night. 45% of the students in the class are men. If there are 20 students in the
    15·1 answer
  • Find the range of f(x) = –x + 4 for the domain {–3, –2, –1, 1}.
    15·1 answer
  • In a school with 2,000 students, 250 are athletes. Of those athletes, 120 lift weights in addition to participating in their pri
    13·1 answer
  • Identify the value of c in the following quadratic function f (x) = -2x^2+ 3x – 4
    7·2 answers
  • What is the speed of a bike that travels 360 meters in 80 seconds
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!