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
Alekssandra [29.7K]
4 years ago
15

Find all points having an x-coordinate of 2 whose distance from the point (-1,-2) is 5

Mathematics
1 answer:
xxTIMURxx [149]4 years ago
3 0
d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\\\
5=\sqrt{(-1-2)^2+(-2-y_1)^2}\\
\sqrt{9+4+4y_1+y_1^2}=5\\
y_1^2+4y_1+13=25\\
y_1^2+4y_1-12=0\\
y_1^2+6y_1-2y_1-12=0\\
y_1(y_1+6)-2(y_1+6)=0\\
(y_1-2)(y_1+6)=0\\
y_1=2 \vee y_1=-6\\\\
\boxed{(2,2),(-6,2)}


You might be interested in
In a triangle ABC, AB=12cm, AC=13cm, BC=5cm. What is tan C?​
pishuonlain [190]

Answer:

Sin(A)=5/13

Cos (A)=12/13

Tan (A)=5/12

Cosec(A)=13/5

Cot (A)=12/5

Sec (A)=13/12

Step-by-step explanation:

8 0
3 years ago
Helpppp pleaseee i need a quick answer
aleksandr82 [10.1K]

Answer:

32 i think

Step-by-step explanation:

its 16 cm, so 2 full rotations would be 16 times 2

which is 32

4 0
3 years ago
Read 2 more answers
my assignment is about multiplication and maybe division. The one of the multiplication problems are this one : Martin has 12 ti
Ghella [55]

Answer:

well how many cards does kal have?? thats the main key to solving the question.

3 0
3 years ago
What percent of 863.6 is 380
Aleks04 [339]
Hello there! To solve types of questions like these, we can write and solve a proportion. We are looking for the percentage of 380 out of 863.6. Let's set up the proportion like this: 380/863.6 = x/100. Cross multiply the values in order to get 38,000 = 863.6x. Now, divide each side by 863.6 to isolate the "x". 38,000/863.6 is 44.00185271 or 44 when rounded to the nearest whole number. 380 is appox. 44% of 863.6.
4 0
3 years ago
Can anyone please help me to do this with steps
lutik1710 [3]

9514 1404 393

Answer:

  x = 45°

Step-by-step explanation:

We presume you want the measure of angle x.

Long arc BAD is intercepted by inscribed angle BCD and by inscribed angle BDE. Hence angle BDE has the same measure as angle BCD.

  x + 70° = 115°

  x = 45° . . . . . . subtract 70°

_____

It doesn't matter where point C is on short arc BD—the measure of angle C is the same regardless. This is still true even if point C moves to be on top of point D, so that angle BCD and angle BDE are indistinguishable.

7 0
3 years ago
Other questions:
  • The slope of the line below is 0.5. Write the equation of the line in point-slope form, using the coordinates of the labeled poi
    6·1 answer
  • Which of the following is an improper integral:
    6·1 answer
  • 14. Solve this system of equations:<br> 4x + 2y = 22<br> 3x – 2y = 13
    5·2 answers
  • If a woman making 25 dollars an hour gets a 10 percent raise how much does she make per hour now
    13·2 answers
  • { 2 x [4 - (6 ÷ 2)]} x 3
    5·1 answer
  • WILL MARK BRAINLIEST
    8·1 answer
  • an airplane model has a scale of 1 to 30. if the model has a length of 14 inches, what is the actual length of the airplane in f
    7·1 answer
  • When you spin a rectangle, what 3D figure do you get? cylinder prism cone sphere
    11·1 answer
  • Help!! Please and thank you
    12·1 answer
  • Brian and Andie were calculating their total money saved to see if they could buy a game to share. Andie notices that she has 24
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!