3 years ago

Will give brainliest

Mathematics

1 answer:

serg [7]3 years ago

7 0

Answer:

Step-by-step explanation:

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Find the area of the isosceles trapezoid shown below. 9 cm 6 cm 4.5 cm

katrin [286]

Answer:

area = 40.5 cm^2

Step-by-step explanation:

A quick calculation tells me it is none of them

Area = 6*(9 + 4.5) / 2

Area = 3*13.5

Area = 40.5

5 0

3 years ago

How do i solve this system. x = 2/3 y= x^2+20

pychu [463]

Step-by-step explanation:

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3 years ago

PLEASE HELP!!! I WILL RATE YOU BRAINLIEST

snow_tiger [21]

Answer: (d)- 1.76 kg

Step-by-step explanation:

Given

The first laptop mass was 11 kg

The rate of mass decreases by 4.7% per year

In 1982, it was

$\Rightarrow 11-11\times 4.7\%=11-11\times 0.047\\\Rightarrow 11(1-0.047)\ kg$

In 1983, it was

$\Rightarrow 11(1-0.047)-11(1-0.047)\times 0.047=11(1-0.047)^2$

In 2019 i.e. after 38 years, it is

$\Rightarrow 11(1-0.047)^38=11\times 0.953^{38}=1.76\ kg$

4 0

3 years ago

What is the solution to the equation below?round your answer to two decimal places 3e^2x+ 12 =42

VashaNatasha [74]

E^2x=(42-12)/3, that is easy
Then, the magic!
Ln(e^2x)=Ln[(42-12)/3]
2x.Ln(e)=Ln[(42-12)/3]. "Ln(e)=1"
X={Ln[(42-12)/3]}/2
Good luck!
M.

5 0

3 years ago

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2(x + 7) + 3x = 12 What is the first step in solving this equation for x? A) 2x + 14 + 3x = 12 Eliminate B) 2x + 7 + 3x = 12 C)

zhuklara [117]

The first step to solve is A

4 0

4 years ago

Read 2 more answers