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
Tpy6a [65]
3 years ago
9

Answer problems. Really need help

Mathematics
1 answer:
pentagon [3]3 years ago
6 0
1. x^2+6x+5
(x+5)(x+1)
x=-5 and -1
2 and 4 require the quadratic formula which is the picture above. To know what numbers to plug in, you have to know that quadratic equation is as it follows
ax^2+bx+c

You might be interested in
Given that <br> a:b = 4:5 <br> and <br> b:c=3.2 <br> find the ratio a:b:c in its simplest form
alex41 [277]
A:b = 4:5
b:c=3:2
b was 5 then it was 3, so you have to find the common multiple which is 15.
you’d have to times the 4 (a) by 3 since that 5x3 is 15
you’d have to times the 2 (c) by 5 since 5x3 is 15 again.
therefore the answer would be
a:b:c
12:15:10
I hope this makes sense it was kinda hard to explain sorry :)
5 0
3 years ago
Read 2 more answers
4<br> It takes Naomi 4 minutes to run 5 laps.<br> How many laps per minute is that?<br> Ebon
attashe74 [19]

Answer:

1.25 per min

Step-by-step explanation:

divide 5÷4 and you get 1.25 per min

6 0
3 years ago
Assume a recent sociological report states that university students drink 5.70 alcoholic drinks per week on average, with a stan
Triss [41]

Answer:

Mean= 5.70

Standard deviation= 0.132

Step-by-step explanation:

For the distribution of sample mean:

Mean of the sampling distrubution = \mu = 5.70

Standard deviation of the sampling distrubution = sigma/sqrt{n} = 1.7201 /sqrt{170} = 0.132

5 0
3 years ago
What's 2⁄3 written as a fraction with a denominator of 9?
Naya [18.7K]
2/3 = 6/9 <== ur answer
8 0
3 years ago
Read 2 more answers
What is the length of BD Round to one decimal place. Thanks!
Assoli18 [71]

Answer:

2.7

Step-by-step explanation:

ratios help

2.5 : 5.8 :: x : 6.2

2.5/5.8 = x/6.2

solve for x :

x = approx.   2.7

8 0
3 years ago
Read 2 more answers
Other questions:
  • What is the volume of a cube with side 12m? ​
    14·1 answer
  • In triangle ABC, ∠A and ∠B are complementary, where cos A = 0.24. What is the measure, to the nearest degree of, ∠B?
    14·1 answer
  • Select the sentence that explains the error in the given statement.
    9·1 answer
  • Graph the rational function <br> f (x)=- 3x + 1<br> -x+2
    9·2 answers
  • The temperature of a city B (x) last week was lesser than or equal to - 9°C.
    7·1 answer
  • 6-2x=y 14+3x=y plzzz helllllllllllllllp
    10·1 answer
  • 2) Find the unknown sizes.
    11·2 answers
  • PLEASE HELP IM DESPERATE! Which of these is equivalent to the expression s + s + s + s +12 ? ANSWER CHOICES: A. 4s + 3, B. 4(s +
    9·1 answer
  • Solve the equation for x. 2x-3+2y^2=41
    15·2 answers
  • Number
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!