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
kirill115 [55]
3 years ago
9

Does anyone know how to do this

Mathematics
1 answer:
Snowcat [4.5K]3 years ago
6 0
<h2>X = 9</h2><h3></h3><h3>All of the equations are equal since it is an equilateral triangle.</h3><h3>So, just pick two equations and solve them.</h3><h3 /><h3>3x - 1 = 2(x + 4)</h3><h3>distribute</h3><h3>3x - 1 = 2x + 8</h3><h3>add 1 to both sides</h3><h3>3x = 2x + 9</h3><h3>subtract 2x from both sides</h3><h3>x = 9</h3><h3 /><h3>DOUBLE-CHECK (If you want to)</h3><h3>4x ÷ 2 + 8 = 3x - 1</h3><h3>subtract 8 from both sides</h3><h3>4x ÷ 2 = 3x - 9</h3><h3>simplify</h3><h3>2x = 3x - 9</h3><h3>subtract 3x from both sides</h3><h3>-x = -9</h3><h3>divide both sides by -1</h3><h3>x = 9</h3><h3 /><h3>TRIPLE-CHECK (If you want to)</h3><h3>4x ÷ 2 + 8 = 2(x + 4)</h3><h3>simplify</h3><h3>2x + 8 = 2x + 8 (It's already equal)</h3>
You might be interested in
the store is having a promotion. for every 8 glasses you buy, you get 3 free plates. Malcolm got 9 free plates. how many glasses
Tresset [83]
He got 24 glasses bc 3 plates is 8 glasses so 9 will be 24

5 0
3 years ago
Read 2 more answers
Simplify completely 5х^3 + 10х^2 + 15х / 5x pleasseeeee HURRRRYYY
devlian [24]

Answer:   5x^{3} +x^{2} +3

Step-by-step explanation:

3 0
4 years ago
scientists are studying the temperature on a distant planet. they find that the surface temperature at one location is 45° celsi
tia_tia [17]

Answer:

T=45-5H

Step-by-step explanation:

4 0
3 years ago
What is a artafart and a Earth quack?
bekas [8.4K]
Aftershocks occur after the most major part of an earth quake happens. Earthquakes occur at fault lines near the tectonic border. They occur because of the sudden movement for staying rigid while they were edging closer and closer. So the sudden movement releases a large amount of tension buried deep below the earth creating or resulting in an earthquake.
3 0
3 years ago
Translate each verbal expression into an algebraic expression. Then simplify the expression.
mylen [45]

Answer:

6x x 9= 54x

Step-by-step explanation:

product=multiplication so six the product of six and a number means to multiply and then multiply it by 9. to solve just multiply both numbers.

5 0
3 years ago
Other questions:
  • to cover her rectangular screened porch with outdoor carpet, kendra needs at least 67.1 square feet of carpet. the length of ken
    11·1 answer
  • 1. For which angle is secant undefined?
    13·2 answers
  • How do you solve this
    5·1 answer
  • Andrea has 3 hours to spend training for an upcoming race. She completes her training by running full speed the distance of the
    11·1 answer
  • PLZ HELP only got 30 minutes left will brainliest. What is the rate of change of the function? –2 --1/2 1/2 2
    7·2 answers
  • Megan has $45.12 in her purse. She spends $7.89 for lunch and $21.25 for a pair of
    13·1 answer
  • What is the vertex of the parabola? Assume p &gt; 0.​
    15·1 answer
  • Jose's ball is stuck on the roof of his home, which is 8 feet high. He wants to use a ladder to climb up and get his ball. If he
    13·1 answer
  • PLS HELP ILL GIVE BRAINLEIST HELP PLSSSSS HURRRRRRYYYY
    10·1 answer
  • If a bagel is 45 cents how many can I get for $20
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!