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
murzikaleks [220]
3 years ago
7

Help help i need help with this

Mathematics
1 answer:
aliina [53]3 years ago
5 0

Answer:

1) 8 2) -33/9

Step-by-step explanation:

1) (1/2)x = -1/2 + 9/2

(1/2)x = 4 x = 8

2) distributing 3/2, 9x/2 - 15/2 = -24

9x/2 = -24 + 15/2

9x/2 = -33/2

9x = -66/2

9x = -33

x = -33/9

You might be interested in
A circle has a diameter of 21 meters. What is the circumference of the circle? Use 22/7 for ∏.
bogdanovich [222]

Answer:

66

Step-by-step explanation:

The diameter of the circle is 21. The formula for circumference is pie*radius*2. We don't have the radius but the diameter is just double the radius so just don't multiply by 2. 21 x 22 = 462. 46s divided by 7 is 66. Enjoy your answer :D

3 0
2 years ago
SNOG pls help me with my homework
Nataliya [291]

Answer: I think it would costs $34.50 for 7.5 lbs of walnut

Step-by-step explanation: <u><em>I HOPE THIS HELPS :)</em></u>

8 0
3 years ago
Marcos is making three tile pictures.​
Mazyrski [523]

Answer: 360

Step-by-step explanation:

310 + 50 = 360

8 0
3 years ago
Read 2 more answers
Plz help ASAP 20 points 5. In circle A, the length of arc BC is 20π units.
Verdich [7]

Answer: i think the answer is B or C sorry

Step-by-step explanation:

have a nice day

5 0
3 years ago
Solve the equation x+3/x-4 = x-5/x+4
Serga [27]

Answer:

\large\boxed{x=\dfrac{1}{2}}

Step-by-step explanation:

\dfrac{x+3}{x-4}=\dfrac{x-5}{x+4}\\\\\text{Domain:}\ x-4\neq0\ \wedge\ x+4\neq0\\\\x\neq4\ \wedge\ x\neq-4\\\\D:x\in\mathbb{R}-\{-4,\ 4\}

\dfrac{x+3}{x-4}=\dfrac{x-5}{x+4}\qquad\text{cross multiply}\\\\(x+3)(x+4)=(x-4)(x-5)\qquad\text{use FOIL}\ (a+b)(c+d)=ac+ad+bc+bd\\\\(x)(x)+(x)(4)+(3)(x)+(3)(4)=(x)(x)+(x)(-5)+(-4)(x)+(-4)(-5)\\\\x^2+4x+3x+12=x^2-5x-4x+20\qquad\text{combine like terms}\\\\x^2+(4x+3x)+12=x^2+(-5x-4x)+20\\\\x^2+7x+12=x^2-9x+20\qquad\text{subtract}\ x^2\ \text{from both sides}\\\\7x+12=-9x+20\qquad\text{subtract 12 from both sides}\\\\7x=-9x+8\qquad\text{add}\ 9x\ \text{to both sides}\\\\16x=8\qquad\text{divide both sides by 16}\\\\x=\dfrac{8}{16}\\\\x=\dfrac{8:8}{16:8}\\\\x=\dfrac{1}{2}\in D

7 0
3 years ago
Other questions:
  • The formula F=9/5(k-273.15)+32 converts a temperature from kelvin K to degrees Fahrenheit F.
    13·2 answers
  • Please help me... ASAP
    9·1 answer
  • You are situated 300 feet from the base of Tower Glitz Plaza watching an external elevator descend down the side of the building
    11·1 answer
  • I need help with this questions
    15·1 answer
  • Jake paid $13.50 for admission to the county fair
    7·1 answer
  • Which lists all the multiples of 6 that are less than 20?
    12·2 answers
  • What is the measure of the missing angle?
    11·2 answers
  • A landscape designer has to construct a rectangular flower bed with a perimeter of 100 feet and the maximum possible area. What
    6·1 answer
  • PLEASE HELP!!!! The problem is in the photo below.
    5·1 answer
  • Which description does this model and equation represent? A)Area of a square as the sides increase by 1 unit
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!