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3 years ago

Darwin’s age is 6 years greater than twice Fiona’s age.

1 answer:

7 0

Hi there.

I converted this problem into an algebraic equation & searched it up. Here's the equation:

6 + 2x = 50

I've come to find that x = 22.

Fiona is 22 years old. You can take my word for it or use the equation :)

Hope this helps!!

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shutvik [7]

I did this in london! Its B. 4 For londons answers! by mate!

4 0

3 years ago

A cube made of an unknown material has a height of 9 cm. The mass of this cube is 3.645 grams. What is the density of this cube?

ehidna [41]

Answer:

$density = \frac{mass}{volume}$

mass = 3.645 g

volume = 9×9×9

= 729 cm³

density = 3.645/729

= 0.005 gcm^-3

Step-by-step explanation:

the volume is 729 cm³ cause the given height is 9cm and it is a cube. cube has equal sides so their lengths are the same.

volume = length × height × width

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3 years ago

David went to a fast-food shop for a meal in a late evening. Only steak, pork chop and grilled chicken were available for main c

Doss [256]

six

Step-by-step explanation:

the reason is this: let steak be (s), pork be (p), grilled chicken be (gc), tea be (t), and coffee be (c)

now, we want to find the total number of outcomes, and this cannot be determined by a simple roll of the dice. you have to count the sample space required for EVERY outcome, and it has to lie within the conditions. so, assuming David only takes 1 main course and 1 drink, he would be down to six option, which are :

1. s & t

2. s & c

3. p & t

4. p & c

5. gc & t

6. gc & c

5 0

3 years ago

Tan30°+cos30°÷tan30°×cos30°

jonny [76]

Answer:

{1/√3+1/2} ÷{1/√3× 1/2}

(2+√3)/2√3÷(1/2√3)
2+√3+1 /2√3
(2+1 )+√3 /2√3
3 +√3 /2√3

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3 years ago

A group of students was randomly divided into two subgroups. One subgroup took a test in the morning, and the other took the sam

BARSIC [14]

Answer:C

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3 years ago