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
vovangra [49]
3 years ago
15

Multiple choice equation

Mathematics
2 answers:
Nat2105 [25]3 years ago
7 0
★ QUADRATIC EXPRESSION ★

General standard quadratic equation -
ax {}^{2}  + bx + c = 0
x =  \frac{ - b  +  -  \sqrt{b {}^{2}  - 4ac} }{2a}

Comparing the coefficients -

a = 10
b = 3
c = -2

Hence the acquired quadratic is -

10x {}^{2}  + 3x - 2 = 0
or
2 = 3x + 10x {}^{2}
Option B is correct
topjm [15]3 years ago
4 0

Answer: b

Step-by-step explanation:

You might be interested in
Write a recursive formula for an, the nth term of the sequence 3, -4, -11
yKpoI14uk [10]

Answer:

, 12, 48, 192...

a. Write a recursive formula for the nth term of the sequence

Ans: a(n+1) = 4*a(n)

------------------------------

b. Write a general formula for the nth term of the sequence

a(n) = 3*4^(n-1)

--------------

c. Calculate S10 for this sequence

Geometric sequence with a(1) = 3 and r = 4

----?

Step-by-step explanation:

8 0
3 years ago
Which of the following represents the most accurate estimation of 54-16?=
sukhopar [10]

You didn't tell us what the choices are, so there's
nothing to pick from.

The most accurate estimation of  (54 - 16)  is  38 .

5 0
3 years ago
Read 2 more answers
Tyler used 17.04 gallons of gas.Maria used 6.2 times as many gallon of gas as Tyler. How many gallons of gas did Maria use?
slava [35]
Tyler (T)= 17.04 gallons
Maria=6.2(T), Maria= 6.2x17.04=105.65 gallons
6 0
3 years ago
An ant weighs 2 x 10^-3 grams, and a lion weighs 1 x 10^5. The lion's weight is 5 x 10^x times greater than the ant's weight. Wh
julsineya [31]

Answer:

x=7

Step-by-step explanation:

Information provided

Weight of ant=2*10^{-3} grams

Weight of lion=1*10^{5} but units are not provided, assuming this unit is also grams

How many times lion's weight exceed an ant

\frac {1*10^{5}}{2*10^{-3}}=50000000

=5*10^{7}

Therefore, the value of x=7 if the unit for weight of lion is assumed to be same as unit for weight of an ant

4 0
3 years ago
Nick O’ Time, the plumber, charges $30 per hour. His brother Ivan, the plumber’s helper, charges $20 per hour. Nick starts worki
lianna [129]

Answer:

7 hours

They worked together for 7 hours ($350 + $120)

8 0
3 years ago
Other questions:
  • jim is planning a birthday party. he has 9 3/4 cups of flour. how many pound cakes can jim make? write an equation and solve it
    7·1 answer
  • Choose the conditional statement that is equivalent to this sentence : "Tigers have stripes."
    7·2 answers
  • Which expression is equal to 5/9
    7·1 answer
  • Serena uses chalk to draw a straight line on the sidewalk. The line is 12 ft long. She wants to divide the line into sections th
    9·1 answer
  • A recipe used 1/5 cup of sugar for every 2 tablespoons of flour. How many tablespoons of flour are used with 1 cup of sugar?
    9·1 answer
  • What is the area of the shaded region?<br><br><br><br> ? mm2
    6·2 answers
  • Solve for x.<br> 9/x = -6
    15·2 answers
  • (q^4)^z= q^12 find the value of z
    10·1 answer
  • What is the peremeter of this tile 3in 3in 3in 3in I ready
    11·1 answer
  • The diameter of a tire is 2.5 ft. Use this measurement to answer parts a and b. Show all work to receive full credit
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!