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olga nikolaevna [1]

2 years ago

13

Helpppp? :(((((((((((

1 answer:

skad [1K]2 years ago

5 0

Answer C
When the temperature of water decreases, the hydrogen bonds are formed and release a considerable amount of energy. Water has the highest specific heat capacity of any liquid. Specific heat is defined as the amount of heat one gram of a substance must absorb or lose to change its temperature by one degree Celsius

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Help can you please solve this.

saveliy_v [14]

Answer:

x= -2

Step-by-step explanation:

7x+26+5x=2

7x+5x=12x

12x=2-26

12x= -24

(divide both sides by 12)

x= -2

5 0

3 years ago

Read 2 more answers

In the stock market an amazon stock share rose 4 and 1/2 points on Wednesday rose 3 and 3/8 points on Thursday and fell 2 and 1/

Vika [28.1K]

Answer:

In the three days the Amazon stock share rose by $5\frac{5}{8}$

Step-by-step explanation:

Given:

Amazon stock share

rose 4 and 1/2 points on Wednesday

rose 3 and 3/8 points on Thursday

fell 2 and 1/4 points on Friday

To find the overall change.

Solution:

<em>The change in share on Wednesday is given as = $+4\frac{1}{2}$ </em>

<em>The change in share on Thursday is given as = $+3\frac{3}{8}$ </em>

<em>The change in share on Friday is given as = $-2\frac{1}{4}$ </em>

Thus, the over all change is given by:

$4\frac{1}{2}+3\frac{3}{8}-2\frac{1}{4}$

<em>In order to combine mixed numbers, we will work the whole numbers and the fractions separately.</em>

⇒ $(4+3-2)+(\frac{1}{2}+\frac{3}{8}-\frac{1}{4})$

⇒ $5+(\frac{1}{2}+\frac{3}{8}-\frac{1}{4})$

To combine fractions, we will take least common denominator.

<em>The L.C.D. 2,4 and 8 = 8 as it is the least common multiple for all the denominators</em>

So, we multiply the numerators with the corresponding numbers to make the denominators common.

⇒ $5+(\frac{1\times 4}{2\times 4}+\frac{3}{8}-\frac{1\times 2}{4\times 2})$

⇒ $5+(\frac{4}{8}+\frac{3}{8}-\frac{2}{8})$

Combining the numerators.

⇒ $5+\frac{4+3-2}{8}$

⇒ $5+\frac{5}{8}$

⇒ $5\frac{5}{8}$

The overall change for the three days can be given as : $+5\frac{5}{8}$

This means the share rose by $5\frac{5}{8}$

5 0

2 years ago

The number of bacteria in a petri dish is 50,000 (on day 0) if the amount is doubling each day by when will the number of bacter

Drupady [299]

Answer:

f(x) = 50000*2^x
3 days

Step-by-step explanation:

<u>Given:</u>

Initial amount of bacteria = 50000
Growth rate = 2 times a day

<u>Required equation:</u>

f(x) = 50000*2^x

<u>Solve for x:</u>

400000 = 50000*2^x
2^x = 400000/50000
2^x = 8
2^x = 2^3
x = 3

After 3 days bacteria numbers will reach 400000

5 0

2 years ago

Please help! (URGENT)

aksik [14]

It’s 180-135 which equals 45 so it is 45 degrees for X

6 0

2 years ago

Find the value of x.

viktelen [127]

A is the closest, hope this helped

6 0

3 years ago