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
Elden [556K]
2 years ago
11

Select the correct answer. Which statement is true about this equation? -9(x + 3) + 12 = -3(2x + 5) − 3x A. The equation has one

solution, x = 1. B. The equation has one solution, x = 0. C. The equation has no solution. D. The equation has infinitely many solutions.
Mathematics
2 answers:
horrorfan [7]2 years ago
8 0

Answer:

its D

Step-by-step explanation:

-9(x + 3) + 12 = -3(2x + 5) − 3x

-9x-27+25 = -6x-15-3x

-9x-15 = -9x - 15

same on both sides

so x has infinitely many solutions

lara31 [8.8K]2 years ago
6 0

Answer:

D. The equation has infinitely many solutions.

Step-by-step explanation:

You might be interested in
4% of what days is 56 days
leva [86]
The answer would be 14 because 4x__=56 ? 4 x14 =56
6 0
3 years ago
2. What is the sum of two numbers that are additive inverses?​
Stells [14]

Answer:

what are the choices

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
NASA launches a rocket at t = 0 seconds. Its height, in meters above sea-level, as a function of time is given by h ( t ) = − 4.
Aleks [24]

Answer:

A.) 24.08 seconds

B.) 825.42 metres

Step-by-step explanation:

function of time is given as

h ( t ) = − 4.9 t 2 + 118 t + 115 .

Where a = -4.9, b = 118, c = 115

Let's assume that the trajectory of the rocket is a perfect parabola.

The time t the rocket will reach its maximum height will be at the symmetry of the parabola.

t = -b/2a

Substitute b and a into the formula

t = -118/-2(4.9)

t = 118/9.8

t = 12.041 seconds

Since NASA launches the rocket at t = 0 seconds, the time it will splash down into the ocean will be 2t.

2t = 2 × 12.041 = 24.08 seconds

Therefore, the rocket splashes down after 24.08 seconds.

B.) At maximum height, time t = 12.041s

Substitute t for 12.041 in the function

h ( t ) = − 4.9 t 2 + 118 t + 115

h(t) = -4.9(12.041)^2 + 118(12.041) + 115

h(t) = -4.9(144.98) + 118(12.041) + 115

h(t) = -710.402 + 1420.82 + 115

h(t) = 825.42 metres

Therefore, the rocket get to the peak at 825.42 metres

6 0
3 years ago
Solve for x and select your answer from the multiple choices.​
Alchen [17]

Answer:

x=3

Step-by-step explanation:

3x+5=14

   -5  -5

3x=9

/3  /3

x=3

3 0
3 years ago
Read 2 more answers
Help me answer this please!!! i will mark you brainliest
goldfiish [28.3K]

Answer:

363 ft.

Step-by-step explanation:

To calculate the base side which is b we use the trigonometric identity called cosine.

cos \theta=\frac{base}{hypotenuse} \\\\cos25 = \frac{b}{400}\\\\b=400*cos 25\\b=400*0.906\\b=362.5\ ft

Since we the answer to the nearest whole number it would be b = 363 ft.

4 0
3 years ago
Other questions:
  • Find the probability distribution for the following function:
    10·1 answer
  • Two lines or equations are described in each part. Decide whether each system has one solution, no solution, or infinitely many
    9·2 answers
  • An asteroid is 10^{8} miles away from earth, and it is traveling at a speed of 10^{5} miles per day.
    8·1 answer
  • A computer uses the function f(h)= 50h + 75 to calculate the total repair bill, f(h), for h number of hours worked. Find h if f(
    8·1 answer
  • According to a random sample taken at 12​ A.M., body temperatures of healthy adults have a​ bell-shaped distribution with a mean
    14·1 answer
  • Last year, Jane opened an investment account with $8200. At the end of the year, the amount in the account had increased by 23.5
    9·2 answers
  • Need help asap (giving brainliest)
    10·2 answers
  • College administrators noticed that students who had higher high school GPAs tend to have higher college GPAs. The data in the t
    8·1 answer
  • Find value of X in the isosceles triangle shown below
    15·1 answer
  • Find the value of 0 round to the nearest whole degree
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!