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katovenus [111]

3 years ago

13

Abigail has 17 chocolates left.As she offers her friend a chocolate she realises there are now only 2 of her favourite truffles

left. What is the probability that her friend will choose one of her favourites if she chooses a chocolate at random

1 answer:

Flura [38]3 years ago

7 0

Answer:

there will be a 2/17 chance that she will get her favorite truffle.

Brainliest??

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A potato gun is a device made out of plastic pipe that launches a potato using compressed air. They can be great fun, and even e

snow_tiger [21]

Answer:

The potato is 224 feet in the air after 2.75 second on the way up and after 5 seconds on the way back down.

Step-by-step explanation:

Given : A potato launched by a particular potato gun has a height described by $h ( t ) =-16 t^2+124 t+4$ .

To find : When is the potato 224 feet in the air?

Solution :

When the potato is 224 feet in the air i.e. $h(t)=224$

Substitute in the equation $h ( t ) =-16 t^2+124 t+4$ ,

$224=-16 t^2+124 t+4$

$16t^2-124 t+220=0$

$4t^2-31t+55=0$

Applying quadratic formula, $x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

Here, a=4, b=-31 and c=55

$t=\frac{-(-31)\pm\sqrt{(-31)^2-4(4)(55)}}{2(4)}$

$t=\frac{31\pm\sqrt{81}}{8}$

$t=\frac{31\pm9}{8}$

$t=\frac{31+9}{8},\frac{31-9}{8}$

$t=5,2.75$

The potato is 224 feet in the air after 2.75 second on the way up and after 5 seconds on the way back down.

5 0

3 years ago

PLEASE HELP! Use triangle ROE to find the following. Leave the answer in fraction form (no decimal answer) SHOW WORK

xeze [42]

Answer:

tanθ = $\frac{8}{15}$

Step-by-step explanation:

By applying tangent rule in the given right triangle ROE,

tanθ = $\frac{\text{Opposite side}}{\text{Adjacent side}}$

tanθ = $\frac{RO}{OE}$

tanθ = $\frac{8}{15}$

Therefore, answer will be tanθ = $\frac{8}{15}$

5 0

3 years ago

Please help me finish this ;w;

Citrus2011 [14]

Answer:

1) 40
2) C. 22.5

Step-by-step explanation:

<h3>Q1</h3>

<u>The ratios of corresponding sides of similar figures are equal:</u>

x / 25 = 24 / 15
x / 25 = 8 / 5
x = 25*8/5
x = 40

<h3>Q2</h3>

<u>Short sides are x and 15, long sides are 36 and 24. The ratios are same:</u>

x / 15 = 36 / 24
x / 15 = 3/2
x = 15*3/2
x = 22.5

Correct choice is C

3 0

2 years ago

Please help me please

olga nikolaevna [1]

Answer:

BF = 30

Step-by-step explanation:

Since B and F are midpoints then BF is parallel to CE and half it's size

BF = 0.5 × CE = 0.5 × 60 = 30

3 0

3 years ago

Which equation represents a line that passes through the point (−2, 6) and is parallel to the line whose equation is 3x − 4y = 6

mart [117]

Method 1: Realize that the desired equation will look exactly the same as the given equation 3x − 4y = 6, except that the constant will be different.

Thus, the equation of the new line is 3(-2) − 4(6) = C, where C comes out to 30.

Then the new line is 3x - 4y = 30.

8 0

3 years ago