Step-by-step explanation:
after I answered the other one(s), you should be really able to do this yourself.
it is precisely the same method and formula just with different numbers.
what's the problem now ?
y = -16x² + 247x + 141
we assume, the ground is at 0 ft.
so, we need to solve
0 = -16x² + 247 x + 141
the general solution for such quadratic equations is
x = (-b ± sqrt(b² - 4ac))/(2a)
in our case
a = -16
b = 247
c = 141
x = (-247 ± sqrt(247² - 4×-16×141))/(2×-16) =
= (-247 ± sqrt(61009 + 9024))/-32 =
= (-247 ± sqrt(70033))/-32
x1 = (-247 + 264.6374879...)/-32 = -0.551171497... s
x2 = (-247 - 264.6374879...)/-32 = 15.9886715... s
again, the negative solution for time did not make any sense, so, x2 is our solution.
the rocket will hit the ground after about 15.99 seconds.
Answer:
Therefore 
Step-by-step explanation:
i) from the figure shown pumpkins and lettuce seem to make up half of the of the garden
ii) the other half of the garden seems to be tomatoes and cucumber.
iii) tomatoes seems to be 3 times that of cucumber.
iv) therefore we can say that tomatoes would make up three fourths of half of the garden which would equal to three eights of the garden.
60/15=4 meaning 25% of the dogs are purebreed
Answer:
<em><u>X=-8 B if i can get brainliest that would be great</u></em>
Step-by-step explanation:
Step 1: Simplify both sides of the equation.
4(2x+1)=6x−12
(4)(2x)+(4)(1)=6x+−12(Distribute)
8x+4=6x+−12
8x+4=6x−12
Step 2: Subtract 6x from both sides.
8x+4−6x=6x−12−6x
2x+4=−12
Step 3: Subtract 4 from both sides.
2x+4−4=−12−4
2x=−16
Step 4: Divide both sides by 2.
2x/2=−16/2
x=−8
Answer:
x=−8
