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3 years ago

2/5 + 1/4 what is the answer

Mathematics

2 answers:

zmey [24]3 years ago

8 0

3/9...hope that helps...just line them up and add them

Gennadij [26K]3 years ago

4 0

The answer is 13/20. Get a common denominator so multiply 2*4 & 5*4= 8/20. Then 1*5 & 4*5= 5/20. The add 8/20 + 5/20 and get 13/20.

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A high-altitude spherical weather balloon expands as it rises, due to the drop in atmospheric pressure. Suppose that the radius

lord [1]

The increase of the radius is a linear increase since we have the constant rate of 0.07 inches per second

The equation for a linear growth/decay is given by the form $y=mx+c$ where $m$ is the rate of increase and $c$ is the value of $y$ when $x=0$

We have
$m = 0.07$
$c=36$ when $t=0$

So the equation is $r=0.07t+36$

The length of the radius when $t=400$ seconds is
$r=0.07(400)+36$
$r=64$ inches

7 0

3 years ago

Log(x)²=(logx)², find the value of x

Gnesinka [82]

Answer:

x = 7.39

Step-by-step explanation:

log(x)²=(logx)², find the value of x

log x² = log x * log x

2log x = log x * log x

2 = log x

Take the exponent pf both sides

e² = e^logx

e² = x

x = e²

x = 7.39

6 0

3 years ago

Solve for x.. 3(x-8) = 29.7

mr Goodwill [35]

Answer:

x = 17.9

Step-by-step explanation:

$3x-24=29.7\\ Distribution Property\\\\3x=53.7\\\\Adding 24 to both sides\\\\x=17.9\\Divide by 3 to both sides\\\\Hope this helps:)\\$

6 0

3 years ago

Read 2 more answers

Hey, can I get some help with this?

algol [13]

Answer:

1.23E7

Step-by-step explanation:

4 0

3 years ago

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Nastasia [14]

Answer:

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Step-by-step explanation:

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3 years ago