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Tomtit [17]
2 years ago
9

Its a 4 diget code need it

Mathematics
2 answers:
Leviafan [203]2 years ago
4 0

Answer:

2222

Step-by-step explanation:

1. 4

2. 6

3. 7.5

4. YX

bija089 [108]2 years ago
4 0

Answer:

2221

Step-by-step explanation:

<h3><u>1st Digit</u></h3>

To find the scale factor, divide one side of the larger shape by the corresponding side of the smaller shape.

⇒ 16 ÷ 4 = 4

Answer = 4

Therefore, 1st digit = 2

--------------------------------------------------------------------------------------------------

<h3><u>2nd Digit</u></h3>

<u />

\dfrac{x}{5}=\dfrac{12}{10}

Cross multiply:

\implies 10x=60

Divide both sides by 10:

\implies x=6

Answer = 6

Therefore, 2nd digit = 2

--------------------------------------------------------------------------------------------------

<h3><u>3rd Digit</u></h3>

\dfrac{5}{3}=\dfrac{12.5}{x}

Cross multiply:

\implies 5x=37.5

Divide both sides by 5:

\implies x=7.5

Answer = 7.5

Therefore, 3rd digit = 2

--------------------------------------------------------------------------------------------------

<h3><u>4th Digit</u></h3>

XY ~ OM

XZ ~ ON

YZ ~ MN

Answer = YZ

Therefore, 4th digit = 1

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a 4.50 g coin of copper absorbed 54 calories of heat. what was the final temperature of the copper if the initial temperature wa
I am Lyosha [343]

The final temperature of copper is 155.43°C.

Step-by-step explanation:

The formula to apply is Q=m*Δt*c where ;

Q=heat energy, m=mass, c=specific heat capacity and Δt= change in temperature

Given that Q=54 calories , m=4.50 g and c=0.092 cal/g°C

In this question find Δt then ,the final temperature.

Δt=Q/m*c

Δt=54/4.50*0.092 =130.43°C

To find final temperature, apply the formula;

Δt=Final temperature - Initial temperature

130.43°C=Final temperature-25°C

130.43°C+25°C=Final temperature

155.43°C

Learn More

Specific Heat Capacity : brainly.com/question/12431744

Keyword : specific heat capacity

#LearnwithBrainly

3 0
4 years ago
Which model below shows 24 ÷ 4 = ? *
Degger [83]

Answer: Hope this helps

Step-by-step explanation: 24 divided by 4 using long division, with explanation and illustration.

5 0
3 years ago
(10 + 3) - (20 ÷ 10)​ 2​ )
Paul [167]

I believe the answer is 9.

5 0
4 years ago
What is the value of the expression below when x = -5 and y = -10 <br> |3x - y| +4
Oksanka [162]

Answer:

-1 is your answer for this mate

7 0
3 years ago
What is the slope of the line that contains these points?
kompoz [17]

Answer:

Slope = - 8

Step-by-step explanation:

Let,

x1 = 8

y1 = 36

x2 = 11

y2 = 12

Formula : -

Slope = ( y2 - y1 ) / ( x2 - x1 )

Slope = ( 12 - 36 ) / ( 11 - 8 )

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Slope = - 8

3 0
3 years ago
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