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ser-zykov [4K]
2 years ago
5

Paul, colin and brian are waiters. One night the restaurant earns tips totalling £71. 10. They share the tips in the ratio 2:3:4

. How much more does colin get over paul?.
SAT
1 answer:
egoroff_w [7]2 years ago
6 0
1. Huwa fupi - hadithi fupi nyingi huhitaji kuunganishwa pamoja kuunda kitabu kimoja. 220
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All of the following are examples of physical changes except.
zaharov [31]

Answer:

Thermal conductivity is not a path function.

8 0
3 years ago
What are some adaptations polar bears have developed for survival in the tundra? (Site 1)
NemiM [27]

Answer:

a white appearance.thifk layers of fat and fur.a small surface area to volume ratio. greasy coat that sheds water after swimming

Explanation:

1.as camouflage from prey on the snow and ice.2.for insulation against the cold.3. to minimize heat loss.4.go help reduce heat loss

5 0
3 years ago
A student pushes a 51. 5 kilogram bookshelf across a smooth floor with a net force of 67 n.
topjm [15]

Assuming a student pushes a 51. 5 kilogram bookshelf across a smooth floor with a net force of 67 n the acceleration is 1.30m/s².

<h3>Acceleration</h3>

Using this formula

Acceleration= Net force/Mass of bookshelf

Where:

Mass of bookshelf =51.5 kilogram

Net force =67 Newton

Let plug in the formula

Acceleration=67n/51.5 kilogram

Acceleration=1.30 m/s²

Inconclusion the acceleration is 1.30m/s².

Learn more about acceleration here:brainly.com/question/25793230

7 0
3 years ago
If 5b=6a+16 and 9a=7b-20, then what is the value of 3a-2b?<br> A) -8<br> B) -4<br> C) 4<br> D) 8
vovangra [49]
B) -4
5b=6a+16
9a=7b-20
b=(6/5)a+(16/5)
9a=7((6/5)a+(16/5))-20
9a=(42/5)a+12/5
(3/5)a=12/5
a=4
5b=6(4)+16
5b=24+16
5b=40
b=8
3(4)-2(8)
12-16=-4
6 0
4 years ago
Classify each of the following as a pure substance, homogeneous mixture, solution, or colloid.
Alexus [3.1K]

Acetic acid and ether are pure substance because they can not be further broken down.

<h3>What is a homogeneous mixture?</h3>

A homogenous mixture consists only of single phase. A solution is comprised of a solute and a solvent while a colloid is a false solution.

The following is a classification of each of the items;

1- Acetic acid - pure substance

2- Ether - pure substance

3- Vinegar - homogeneous mixture

4- Gravy - colloid

5- Beef stew - colloid

6- Seltzer water - solution

7- Salad - colloid

Learn more about homogenous mixture:brainly.com/question/24898889

#SPJ1

Mising parts;

Classify each of the following as a pure substance, homogeneous mixture, solution, or colloid.

1- Acetic acid

2- Ether

3- Vinegar

4- Gravy

5- Beef stew

6- Seltzer water

7- Salad

3 0
2 years ago
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