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2 years ago

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Mathematics

2 answers:

Ghella [55]2 years ago

8 0

Answer:

on no

Step-by-step explanation:

Nikolay [14]2 years ago

7 0

Answer:

uh okay I'm just stumbling upon questions like this

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4×-12=32-7× in need of a answer thanks

Virty [35]

4x-12=32-7x
4x+7x=32+12
11x=44
x=4

7 0

3 years ago

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What is (5.03x -8.03) - (3.5x +6.2)?

Kryger [21]

Answer:

1.53x−14.23

Step-by-step explanation:

simplify:

5.03x−8.03−(3.5x+6.2)

Distribute the Negative Sign:

=5.03x−8.03−1(3.5x+6.2)

=5.03x−8.03−1(3.5x)+(−1)(6.2)

=5.03x−8.03−3.5x−6.2

Combine Like Terms:

=5.03x−8.03+−3.5x−6.2

=(5.03x−3.5x)+(−8.03−6.2)

=1.53x−14.23

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2 years ago

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What is the recommended heart rate for a 20 year old person?

dlinn [17]

Answer:

The average maximum heart rate for a 20 year old is 200 bpm

The target heart rate is 100-170 beats per minute (bpm).

I Hope this helps and I hope everything is okay!

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3 years ago

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You purchased a rare painting for $150 that is increasing in value by 3% annually. How many years will it take until it is doubl

Ahat [919]

Answer:

23 years.

Step-by-step explanation:

It is given that the initial price of painting is $150 and its values increasing by 3% annually.

We need to find how many years will it take until it is doubled in value.

The value of painting after t years is given by

$y=150(1+0.03)^t$

$y=150(1.03)^t$

The value of painting after double is 300. Substitute y=300.

$300=150(1.03)^t$

Divide both sides by 150.

$2=(1.03)^t$

Taking log both sides.

$\log 2=\log (1.03)^t$

$\log 2=t\log (1.03)$

$t=\dfrac{\log 2}{\log (1.03)}$

$t=23.44977$

$t\approx 23$

Therefore, the required number of years is 23.

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2 years ago

Please help !!!! I appreciate if anyone help.

RoseWind [281]

Answer:

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2 years ago