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Dmitry_Shevchenko [17]

2 years ago

15

Emily collected $950 selling Girl Scout cookies all day Saturday. Emily's troop collected 10 times as much as she did. How much

money did Emily's troop raise

2 answers:

LuckyWell [14K]2 years ago

6 0

Since the troop made 10 times her then you multiply 950 by 10 and that will give you 9510

Fynjy0 [20]2 years ago

5 0

Answer:

950,00

Step-by-step explanation:

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A new drug on the market is known to cure 30% of patients with cervical cancer. If a group of 18 patients is randomly selected,

Dima020 [189]

Answer:

Probability cured of cervical cancer = 18C0 (0.30)⁰(0.70)¹⁸ + 18C1(0.30)(0.70)¹⁷

Step-by-step explanation:

Given:

Patients cured = 30% = 0.30

Number of patients (n) = 18

Probability cured of cervical cancer = P(X≤1)

Probability cured of cervical cancer = P(X=0) + P(X=1)

Probability cured of cervical cancer = 18C0 (0.30)⁰(0.70)¹⁸ + 18C1(0.30)(0.70)¹⁷

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1 year ago

The projectile motion of an object can be modeled using s(t) = gt2 + v0t + s0, where g is the acceleration due to gravity, t is

NeX [460]

S(t) = -4.9t^2 + 19.6t + 24.5

when it reaches the ground s(t) = 0

so we have -4.9t^2 + 19.6t + 24.5 = 0

solve this for t:-

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(t + 1)(t - 5) = 0

so required time t = 5 seconds

answer 5 seconds

5 0

2 years ago

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Julian is using a biking app that compares his position to a simulated biker traveling Julian's target speed. When Julian is beh

Gwar [14]

Answer:

11 km/hr.

Step-by-step explanation:

Given information:

Simulated speed = 20/km/h

Time = 15 mins = 1/4 hr = 0.25 hr

Distance Covered as per simulated speed = $20\times \frac{1}{4}=5km$

Position of Julian according to the app = $-2\frac{1}{4}=-2.25$ .

Actual distance covered by the bike is

$Distance= 5 - 2.25 = 2.75km$

Formula for speed:

$\text{Average Speed}=\frac{Distance}{Time}$

$\text{Average Speed}=\frac{2.75}{0.25}$

$\text{Average Speed}=11$

Therefore, the average speed of Julian is 11 km/hr.

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2 years ago

A store makes a profit of $18 on a blanket after a markup of 30%. What is the selling price of the blanket?

Sidana [21]

$23.40 because 18•0.3=5.4 and 18+5.4=23.4.

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2 years ago

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The parabola y=x^2y=x 2 y, equals, x, start superscript, 2, end superscript is reflected across the xxx-axis and then scaled ver

kramer

ANSWER

The equation of the new parabola is

$y = - 5 {x}^{2}$

EXPLANATION

The given parabola has equation:

$y = {x}^{2}$

If this parabola is reflected in the x-axis, its equation becomes :

$y = - {x}^{2}$

When this parabola is scaled vertically by a factor of 5, the equation becomes,

$y = - 5 {x}^{2}$

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2 years ago