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3 years ago

THIS IS VERY IMPORTANT I WILL GIVE BRAINLIEST TO THE PERSON WHO DOES ALL 4 QUESTIONS FOR ME.

Mathematics

1 answer:

devlian [24]3 years ago

6 0

Answer:

6. 130/130.5

7. C, 14 pink roses and 26 red roses

8. A, 18 model cars and 27 model airplanes

9. $359.10

Step-by-step explanation:

Number 6 involves two potential answers because although 30% of 435 is 130.5 you cannot have half of a person at a baseball game.

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How long will it take the ball to reach the ground

SSSSS [86.1K]

When the ball reaches the ground, its height is 0.
We set the height function equal to zero and solve for t, the time.

h = -16t^2 + 250

-16t^2 + 250 = 0

16t^2 - 250 = 0

$(4t + \sqrt{250})(4t - \sqrt{250}) = 0$

$4t + \sqrt{250} = 0$ or $4t - \sqrt{250} = 0$

$4t = -\sqrt{250}$ or $4t = \sqrt{250}$

$t = -\dfrac{\sqrt{250}}{4}$ or $t = \dfrac{\sqrt{250}}{4}$

We discard the negative solution since time must be positive.
The positive solution is

$t = \dfrac{\sqrt{250}}{4} \approx 4.0$

Answer: 4.0 seconds

8 0

3 years ago

Joe brought 17 packs of cola to a party, and each pack had 8 cans. Teresa brought 6 cans of juice. How many cans did they bring

KATRIN_1 [288]

Answer:

Hello!!

If Joe brought 17 packs of cola to a party, and each pack had 8 cans. Teresa brought 6 cans of juice. They brought 142 cans in all.

Step-by-step explanation:

$17$ × $8=136$

$136+6=142$

Hope this helps!!

6 0

3 years ago

Read 2 more answers

Definicion de Funcion Polinomica

ladessa [460]

Answer:

Ejemplos de funciones polinómicas son: , la cual es de grado 3, ya que el exponente mayor es 3. , que es una función polinómica de grado 2, o sea cuadrática, cuya gráfica es una parábola. ... Muchas veces a partir de la gráfica de un polinomio se puede deducir la ecuación de la función.

Step-by-step explanation:

6 0

3 years ago

4. Suppose that Peculiar Purples and Outrageous Oranges are two different and unusual types of bacteria. Both types multiply thr

Viktor [21]

Answer:

Peculiar purples would be more abundant

Step-by-step explanation:

Given that eculiar Purples and Outrageous Oranges are two different and unusual types of bacteria. Both types multiply through a mechanism in which each single bacterial cell splits into four. Time taken for one split is 12 m for I one and 10 minutes for 2nd

The function representing would be

i) $P=P_0 (4)^{t/12}$ for I bacteria where t is no of minutes from start.