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wolverine [178]
3 years ago
5

Help Evaluate when x=3.1 2x + 1.5x

Mathematics
1 answer:
nexus9112 [7]3 years ago
5 0

Answer:

10.85

Step-by-step explanation:

2x + 1.5x  x=3.1

simply plugg in <em>3.1 for X</em>

2 multiplied by 3.1 + 1.5 multiplied by 3.1 and you get

6.2 + 4.65 which = 10.85

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Soloha48 [4]

Answer:

area of the figure: 29.92 m²

formula's:

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solving steps:

area of rectangle + area of sector

5.5 * 4 + 30/360 * π(5.5)²

22 + 7.919

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8 0
2 years ago
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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

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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

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3 0
4 years ago
Which type of triangle has special proportions
MrRissso [65]

Answer: right triangle

Step-by-step explanation:

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3 years ago
Porter uses 2 pints of stain on each table that he makes. How many tables can he paint with
Nitella [24]
<h3>Answer:  4 tables</h3>

Explanatioin

1 table needs 2 pints

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iragen [17]

Answer:

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Step-by-step explanation:

It is given that,Tom’s total payment for his loan was $14,256 he paid it off at making 48 monthly payments

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we have,

Total payment = $14256

Number of monthly  payments = 48

Monthly payments = 14256/48 = 297

Therefore Tom's monthly payments  of his loan = $ 297

6 0
3 years ago
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