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
stira [4]
3 years ago
7

Take your time please.​

Mathematics
1 answer:
N76 [4]3 years ago
4 0
A=2
b=8
c=20

Axis of symmetry= -b/2a
So,
-8/(2*2) = -8/4 = -2

Axis of symmetry is x=-2
You might be interested in
Find the coefficient of correlation between and X and Y if covariance between X and Y is 15 and the variance of X and Y are resp
IRINA_888 [86]

Answer:

0.95

Step-by-step explanation:

Correlation \ coefficient \   (r) = \dfrac{covaraince \  between \ X \ and \ Y }{SD_X \times SD_Y }

Correlation \ coefficient \   (r) = \dfrac{15 }{10^{1/2} \times 25^{1/2} }

Correlation \ coefficient \   (r) = \dfrac{15 }{3.162 \times 5 }

Correlation \ coefficient \   (r) = \dfrac{15 }{15.81 }

Correlation \ coefficient \   (r) \simeq 0.95

5 0
3 years ago
Solve a<br> a-20=b<br> a=<br><br><br><br> plzz help
saveliy_v [14]
In order to have the variable by itself you have to add 20 to both sides. So your answer would be a=b+20. I hope this helps love! :)
7 0
4 years ago
A zookeeper predicted the weight of a new baby elephant to be 270 pounds when it was born. The elephant actually weighed 302 pou
Kamila [148]
The answer is 10 or 11%
5 0
4 years ago
Read 2 more answers
Simplify 7^6√7^2<br> A.)7^3<br> B.)7^4<br> C.)7^8<br> D.)7^12
Alexandra [31]
I’m pretty sure it’s 7^7
6 0
3 years ago
Read 2 more answers
The cost to have tile installed varies directly with the size of the room ta
geniusboy [140]

Answer:

32,000 or 345,600

Step-by-step explanation:

if you have 100 x 320  will make 32,000 if you times the 1080 with the 320 it will be 345,600 now add them together isss 377,600 btw np

7 0
3 years ago
Other questions:
  • -4=g+1<br> A. g=-4<br> B. g=4<br> C. g=-5<br> D. g=-3
    9·2 answers
  • number from 1 to 99 is written on a card making a pack of 99 cards. What is the probability of randomly selecting a card where t
    12·1 answer
  • Which equation can be used
    12·1 answer
  • Translate to an inequality using the variable x. A number is less than 2​, or greater than 6 and less than or equal to 9.
    13·1 answer
  • You may remember that the area of a triangle is A=12B⋅H, where B is the base of the triangle and H is the height. Suppose that t
    15·1 answer
  • Need Help With Functions. Screenshot attatched
    7·1 answer
  • I WILL MARK BRAINLIEST
    11·1 answer
  • Cuanto es 3,848 dividido 8?
    9·1 answer
  • If 3.2x10^4 is the length of a park in meters and 2.5x10^6 is the width in meters, what is the area of the park if it is in the
    12·1 answer
  • Please HELP ME I need help on this final question
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!