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
tankabanditka [31]
2 years ago
12

Tìm x biết 1) 2x(x-8)+x-8=0 2) 2x^3-32x=0 3) 5x(x-2021)-x+2021=0

Mathematics
1 answer:
Keith_Richards [23]2 years ago
3 0

Answer:

C) x – 2). 2 ... -2x ≤ 2. ⇔ x ≥ -1. Tập nghiệm S = {x | x ≥ -1}. Bài 2. Gọi x (km) là quãng đường

Step-by-step explanation:

You might be interested in
Graph a line with a slope of 3/4 that contains the point (2,-3).
arsen [322]

Answer:

Step-by-step explanation:

First, plot the point (2, -3) on the graph.  Then, use the slope to pick another point.  The slope is rise over run.  For your slope, the line will go 3 places up and then 4 places to the right.  Using a straight-edge, follow the points and you will get the graph of the line.

6 0
3 years ago
An element with a mass of 890 grams decays by 19.7% per minute. To the nearest tenth of a minute, how long will it be until ther
Schach [20]

Answer:

3 minutes

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
If an angle is three times of its supplement, find the angle​
zavuch27 [327]

Answer:

<h2>135° angle</h2>

Let the angle be x it's supplement = (180-x)

x = 3 (180-x)

⇒x=540−3x

⇒4x=540⇒x=135°

Step-by-step explanation:

Hope it is helpful....

5 0
3 years ago
How do I solve the cube root of -1331
sweet-ann [11.9K]
What number cubed equals -1331?

it is -11 because -11*-11*-11 equals to -1331
7 0
3 years ago
Find angle A using sin-1
ki77a [65]

Answer:

75°

Step-by-step explanation:

firstly, use the pythagoras theorem

Square root(8²-2²) = 7.75

Then, use sine

sine A= 7.75/8

Sine A=0.9688

A= (sine power of -1) x (0.9688)

A=75.63

5 0
3 years ago
Other questions:
  • Please help with all 4 for 12 points it’s really annoying so I need some help
    10·1 answer
  • Write the equation of the line, in point slope form identify x,y as the point (-2,2)
    12·1 answer
  • Was it unusual for this player to hit a home run to right<br><br> ​field?
    10·1 answer
  • Please help me with this
    7·1 answer
  • On the drawing for a house plan, the master bedroom is rectangular and has dimensions of 2.25 inches by 2.5 inches. If the scale
    11·1 answer
  • Triangle J K L is shown. Angle J K L is a right angle. An altitude is drawn from point K to point M on side L J to form a right
    7·1 answer
  • A bookstore is deciding what price it should charge for a certain book. After research, the store finds that if the book's price
    10·1 answer
  • Usually when Elena makes bird food, she mixes 9 cups of seeds with 6 tablespoons of maple syrup. However, today she is short on
    15·1 answer
  • Is negative square root of 1 a irrational number
    9·2 answers
  • Angie earns $9.00 an hour at her job. • She works 15 hours a week. • She receives a 5% raise. How much more money will she earn
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!