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3 years ago

Please help aaa

Mathematics

2 answers:

Setler79 [48]3 years ago

7 0

Answer:

13/14

Step-by-step explanation:

13/35 is the probability of drawing 2 red candies.

2/5 = 14/35 is the probability of drawing 1 red candy.

13 and 14 make 13/14.

Hope This Helps :)

timofeeve [1]3 years ago

5 0

Drawing 2 red candies without replacement is 13/35.

Probability of picking one is 2/5.

We can say that the probability of the first candy being red is 2/5

So the probability of the second candy also being red would be 13/35 divided by 2/5 which = 13/14.

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8.9 x 10^-5 in scientific notation

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4 years ago

3 Shamaya went shopping for school supplies. She bought 2 packages of

allsm [11]

Answer:

a. $17.83

b. $82.17

Step-by-step explanation:

We need to find total cost of all the items.

2 package of pencil for 1.98 each: Total = 1.98 * 2 = 3.96

1 binder for 7.69: Total = 7.69

1 divider for 2.69: Total = 2.69

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We sum all of these to get:

3.96 + 7.69 + 2.69 + 3.49 = $17.83

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3 years ago

Robert is lying on the ground, looking at the top of a flagpole. The angle of elevation to the top of the flagpole is

NeTakaya

Answer:

Height of flagpole = 571 ft

Step-by-step explanation:

Given:

Angle of elevation to the top of the flagpole is 55° .

Distance from the eyes to the base of flagpole = 400 ft.

To find the height of the flagpole.

Solution:

We can draw the situation as a right triangle as shown below.

In triangle ABC.

$BC=400\ ft$

∠C= 55°

To find the length AB (height of the flagpole).

Applying trigonometric ratio :

$\tan\theta=\frac{Opposite\ side}{Adjacent\ side}$

$\tan C=\frac{AB}{BC}$

Plugging in values.

$\tan 55\°=\frac{AB}{400}$

Multiplying both sides by 400.

$400\tan 55\°=\frac{AB}{400}\times 400$

$571.26=AB$

∴ $AB\approx 571\ ft$

Height of flagpole = 571 ft

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Answer:

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