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
mrs_skeptik [129]
3 years ago
7

What are the solutions to x2 + 8x + 7 = 0

Mathematics
2 answers:
Nezavi [6.7K]3 years ago
8 0
x^{2} +8x+7=0
Product=7
sum=8
x^{2} +x+7x+7=0
x(x+1)+7(x+1)=0
(x+7)(x+1)=0
x=-7, -1
3241004551 [841]3 years ago
6 0
X^2 + 8x + 7 = 0
x^2 + 7x + x + 7 = 0
x(x + 7) + 1(x + 7) = 0
(x + 7) (x + 1) = 0

x = -7      or       x = -1
You might be interested in
I REALLY NEED HELP FAST I WILL GIVE BRAINLYEST
svetoff [14.1K]

Answer:

In common scientific notation, any nonzero quantity can be expressed in two parts: sufficient whose absolute value is greater than or equal to 1 but less than 10, and a power of 10 by which the coefficient is multiplied. In some writings, the coefficients are closer to zero by one order of magnitude. In this scheme, any nonzero quantity is expressed in two parts: a coefficient whose absolute value is greater than or equal to 0.1 but less than 1, and a power of 10 by which the coefficient is multiplied. The quantity zero is denoted as 0 unless precision is demanded, in which case the requisite number of significant digits are written out

4 0
3 years ago
A water storage tank is in the shape of a cone with the pointed end down. If the radius is 21 feet and the depth of the tank is
andre [41]

The volume of the water storage tank is the amount of space in it

The volume of the water storage tank is 6468 cubic feet

<h3>How to determine the volume?</h3>

The given parameters are:

Radius (r) = 21 feet

Height (h) = 14 feet

The shape of the water storage tank is a cone.

And the volume of a cone is:

V = 1/3πr^2h

So, we have:

V = 1/3 * 22/7 * 21^2 * 14

This gives

V = 6468

Hence, the volume of the water storage tank is 6468 cubic feet

Read more about volumes at:

brainly.com/question/1972490

4 0
2 years ago
Factorise fully : 6x²-11x-10 ​
steposvetlana [31]

Answer:

After factorization we got,

(6x + 5)(x  - 2)

Step-by-step explanation:

here's the solution: -

=》

6 {x}^{2}  - 7x - 10

=》

6 {x}^{2}  - 12x + 5x - 10

=》

6x(x - 2) + 5(x - 2)

=》

(6x + 5)(x - 2)

7 0
3 years ago
Write this ratio as a fraction in lowest terms.<br> 80 minutes to 30 minutes
JulijaS [17]
The answer is 8/3 thank me
3 0
3 years ago
Subtract 5x - 2 from -3x +4
Solnce55 [7]

Answer:

8x+2

Step-by-step explanation:

Or -8x+2 but i think its 8x+2

4 0
3 years ago
Other questions:
  • The ideal width of a certain conveyor belt for a manufacturing plant is 50 in. an actual conveyor belt can vary from the ideal b
    5·1 answer
  • There were 9068 people at a concert. An equal number of people sat in each of 4 sections. How many people sat in each section?
    7·1 answer
  • Lin and andre biked home from sxhool at a steady pace. Lin biked 1.5km and it took her 5 minutes. Andre biked 2km and it took hi
    7·2 answers
  • Determine the slope from the following order pairs:<br> (5, 7) (6,3)
    12·1 answer
  • a scout meeting lasts 2 hours. if 36 minutes was spent on making dream catchers, what percentage of the meeting is left
    11·1 answer
  • Working alone, shayna can harvest a field in 8 hours. John can harvest the same field in 16 hours. How long would it take them i
    6·1 answer
  • The restrooms for the former Estabrook Hall were known to each be 117 cubic feet in volume. We are tasked with creating a 1:4 sc
    6·1 answer
  • If you answer correct you get brainliest!
    14·2 answers
  • Translate the following statement into an equation and solve for y: "y divided by 27 is-18."​
    11·2 answers
  • Last year Ms. Mensher's son was 50 inches tall. This year he is 57 inches tall.
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!