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2 years ago

9

The temperature of a city changed by -12°C over a 2-week period the temperature change by the same amount each week write an exp

ression to show the average change in the temperature of the city each week

1 answer:

Flauer [41]2 years ago

4 0

Every week the temperature went down -6ºC

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What is the value of x in: 4x+3y=12 and 2x-3y=-30 *

NNADVOKAT [17]

Answer:

The value would be

Step-by-step explanation:

What is the value of x in: 4x+3y=12 and 2x-3y=-30 *

4x + 3y

The answer is x = 2 - 3y = 4

3y = 30

So 2x + 3y = 12 is

X = 3 - 3y/4

2x - 3y = 30

X = 15 + 3y/2

Hope it help : ) Please Rate it for me!

Have a Great Day and Winter Break!

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2 years ago

A ship is carrying gold bars and silver bars in the ratio 13:17. The ship's load

andreyandreev [35.5K]

Using proportions, considering the weight of each bar and the ratio, it is found that the ship is carrying 52 gold bars.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

Each bar weighs 5 kg, and the total weight is of 600 kg, hence the number of bars is given by:

n = 600/5 = 120.

The proportion of gold bars is given by:

p = 13/(13 + 17) = 13/30

Hence, out of 120 bars, the number of gold bars is given by:

nG = 120 x 13/30 = 4 x 13 = 52.

More can be learned about proportions at brainly.com/question/24372153

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4 0

1 year ago

How many ounces of water are equal to 6/8 cups of water

MatroZZZ [7]

US Cups US Fluid Ounces
6 cup US 48.00 us fl oz
7 cup US 56.00 us fl oz
8 cup US 64.00 us fl oz
9 cup US 72.00 us fl oz

1 Cup = 8 Fluid Ounces

7 0

3 years ago

Brainiest fastest answer no link or bot or I report you I report you if you report me

Elodia [21]

38.79
3053.63
904.78
2544.69
226.19
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1072.33
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268.08
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75.4
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1884.96
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I did this really quick so I hope all the answers are right, and double check them if you have time just in case

4 0

2 years ago

Determine if the expression -8c-9c^4d^2−8c−9c

Leto [7]

Answer:

$-8c-9c^4d^2-8c-9c$ is a polynomial of type binomial and has a degree 6.

Step-by-step explanation:

Given the polynomial expression

$-8c-9c^4d^2-8c-9c$

Group like terms

$=-9c^4d^2-8c-8c-9c$

Add similar elements: -8c-8c-9c=-25c

$=-9c^4d^2-25c$

Thus, the polynomial is in two variables and contains two, unlike terms. Therefore, it is a 'binomial' with two, unlike terms.

Each term has a degree equal to the sum of the exponents on the variables.

The degree of the polynomial is the greatest of those.

25c has a degree 1

$-9c^4d^2$ has a degree 6. (adding the exponents of two variables 'c' and 'd').

Thus,

$-8c-9c^4d^2-8c-9c$ is a polynomial of type binomial and has a degree 6.

4 0

2 years ago