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
Setler79 [48]
3 years ago
12

Find the solutions of the quadratic equation x2 + 7x + 10 = 0.

Mathematics
1 answer:
Katyanochek1 [597]3 years ago
7 0

Answer:

Step-by-step explanation:

x² + 7x + 10 = 0

x = [-7 ± √(7² - 4·1·10)]/(2·1) = [-7 ± √9[/2 = [-7 ± 3]/2 = -2, -5

You might be interested in
35% of the original price of a phone is £78 what was the original price ?
Yakvenalex [24]

Answer:

222.86

Step-by-step explanation:

<h2><u>in order to solve this question you can create an equation :</u></h2>

35% * x = 78

where x is the original amount

in order to get x , you have to say :

78/ 35% = x

hence x = 222.8571...

to 2dp = 222.86

4 0
3 years ago
Read 2 more answers
Which shapes appear to have perpendicular sides
a_sh-v [17]
A square, rectangle, rhombus (I think)
5 0
3 years ago
Read 2 more answers
The diagram represents a 12cm by 4cm what is the area? ​
olga_2 [115]
Well, to calculate the area, we would simply do length times width and we would get our area.
Area = Length * Width
Area = 12cm * 4cm
Area = 48cm squared.
So, in conclusion, the area is 48 cm squared.
6 0
2 years ago
Please help someone anyone please help
Brrunno [24]

Answer:

if 135 calories represents 1/4 then a whole cup is 540 calories so two cups is 540 times 2 which is 1080

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Which two numbers add up to be 8 and multiply to be -84
Kisachek [45]
Righ, so negative times positive=negative
negative+positive=positive
thereofr
positive>negative

factor -84 where the negative is smaller ex -12 and 13, not -14 and 10 so

-2 and 42 nope
fast forward
-6 and 14 yes
-6+14=8
so the numbers are -6 and 14
6 0
3 years ago
Other questions:
  • Can I have some help with this? <br>5b+4+10=2
    5·2 answers
  • The quotient of two numbers subtracted from 20
    13·1 answer
  • 5 times marys age is the same as 28 less than 7 times her age. Find her age
    12·2 answers
  • The measure of angle θ is 3pi/2 . The measure of its reference angle is /, and tan θ is .
    14·1 answer
  • Find the solutions to the following linear-quadratic systems algebraically. Select the order pair that is one of the correct sol
    8·1 answer
  • In a right triangle, the acute angles measure x + 15 and 2x degrees. What is the measure of the smallest angle of the triangle?
    14·2 answers
  • What is 2 2/5 as a decimal?
    12·2 answers
  • Heyo, algebra is giving me a headache, help me with this pls?
    8·2 answers
  • 2. If the diameter of a circle is 2V10, what is the area<br> of the circle.
    10·1 answer
  • 2x^2-3x-5 help plzzzzzzzzzzzzzzzzzzzzzzzzzzz
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!