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2 years ago

11

Simplify 9 x 5/9 in 4 mins

2 answers:

Triss [41]2 years ago

6 0

Answer:

5

Step-by-step explanation:

9 x 5/9

9/1 * 5/9

Rewriting

9/9 * 5/1

1 * 5/1

5

mamaluj [8]2 years ago

3 0

Answer:

20;-

Step-by-step explanation:

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After the 4th half life how much of the sample is left if the mass is 100g.

vazorg [7]

Answer:

$\huge\boxed{\sf 6.25 \ g}$

Step-by-step explanation:

After every Half life , Half of the mass is left.

After 1st Half life = 100 g / 2 = 50 g

After 2nd Half life = 50 / 2 = 25 g

After 3rd Half life = 25 / 2 = 12.5 g

After 4th Half life = 12.5 / 2 = 6.25 g

$\rule[225]{225}{2}$

Hope this helped!

<h3>~AH1807</h3>

6 0

2 years ago

Anika [276]

Step-by-step explanation:

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36-16= 20 The males for Print

80-36= 44 The total females

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4 0

3 years ago

all of the calandars at the bookstore are on sale this weekend for $5.75. if joanne bought $149.50 worth of calanders this weeke

MissTica

She bought 26 calandras
I divided 149.50 by 5.75

8 0

3 years ago

Read 2 more answers

Thomas weighs 168 lb how many kilograms does Thomas weigh

Norma-Jean [14]

Answer:

76.2048 Kilograms

Step-by-step explanation:

You would multiply 168 by 0.4536

168 x 0.4536 = 76.2048

4 0

2 years ago

A ladder leans against a 22-feet-tall apple tree. The base of the ladder forms a 42° angle with the ground. Approximately how ta

igomit [66]

(D) 33 feet

<u>Explanation:</u>

Given:

Height of the tree, h = 22 feet

angle, θ = 42°

Length of the ladder, l = ?

We know:

sin θ = Perpendicular / hypotenuse

So,

Sin θ = height of the tree / length of the ladder

$sin 42^0 = \frac{22}{l} \\\\0.67 = \frac{22}{l} \\\\l = 32.84 feet$

l = 32.84 feet ≈ 33 feet

Therefore, the length of the ladder be to reach the top of the apple tree is 33 feet.

6 0

2 years ago