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
Vinvika [58]
3 years ago
6

Use complete the square to solve 5x²-7x-3=0​

Mathematics
2 answers:
gulaghasi [49]3 years ago
5 0

Step-by-step explanation:

to take out -(7/5)^2 out u have to multiply with 5 which is out of the bracket.

hope it's helps

Yuki888 [10]3 years ago
3 0

Step-by-step explanation:

ax2 + bx + c = 0

x12 = (-b ± √D) / 2a , D = b2 - 4ac .

5x2 + 7x + 3 = 0

a = 5 , b = 7 , c = 3

D = 49 - 60 = - 11 , x1 = (-7 - i √11) / 10

x2 = (-7 + i √11) / 10

You might be interested in
Two similar cones have radii of 9 and 1, respectively. what is the ratio of their volumes?
wel

Answer:it’s C

729:1

You cube both nine and one to get that

3 0
4 years ago
PLEASE HELP. WILL GIVE BRAINLIEST FOR CORRECT ANSWER
lozanna [386]
Are of shaded region = area of circle - area of segment
= \pi {r}^{2}  - ((\alpha  \div 360) \times \pi \times  {r}^{2} )
= \pi {r}^{2} (1 -  \alpha  \div 360)
r = 8.35 \\  \alpha  = 100
= 158.1666....
rounding \: up
area \: of \: shaded \: region \:  = 158.2 \: \: square ft
6 0
3 years ago
David and Amrita had an equal number of marbles. After Amrita gave 50 marbles to David, he had 5 times as many marbles as her. F
ZanzabumX [31]

Answer:

Step-by-step explanation:

a = d before Anna gives away 50 marbles.

 

5 (a-50) = a +50 after Anna gives away 50 marbles.

 

5a - 250 = a + 50

 

4a = 300

 

a = 75

 

Anna has 75 marbles at the beginning and so did David.

 

Together they have 150 marbles.

:)

7 0
3 years ago
Read 2 more answers
Express your answer as a monomial...<br>(6a^2b)(-7a^4b^7)
Arte-miy333 [17]
I hope this helps you


6. (-7).a^2+4.b^1+7

-42.a^6.b^8
3 0
3 years ago
Sonny has $5 to buy pencils and rulers. Pencils are 8 cent each. Rulers are 30 cent each. She says “I will buy 15 pencils. Then
ANEK [815]

Answer:

12 Rulers and 17 Pencils

Step-by-step explanation:

15 x 8 = cents spend

15 x 8 = 120

$5-120cents ($1.2) = $3.8 (380 cents)

380/30= 12 rulers with 20 cent remaining

20/8= 2 pencils with 4 cent remaining

now add!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

12 ruler +2 pencils +15 pencils=

12 Rulers and 17 Pencils

4 0
3 years ago
Other questions:
  • 5ry-c=q solve for r​
    11·1 answer
  • 583,896 word form.what is it pls
    9·1 answer
  • Find the value of x.
    14·1 answer
  • Find the additive inverse (opposite) of 18/23
    8·1 answer
  • You put $500 in a savings account which earns compound interest at a rate of 0.2% per month. If you don't make any deposits or w
    8·1 answer
  • Multiply each equation by a number that produces opposite
    7·1 answer
  • The volume lf a wood with 8m long , 6m wide and 10m height​
    8·2 answers
  • Find the value of the expression when b= 9 c= 5 and d=10 ............ ½d + c² - b
    5·1 answer
  • Help with this please
    11·1 answer
  • State whether each pair of expressions are equivalent. Show your work.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!