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2 years ago

14

Express each of the following decimals as fraction form

1 answer:

shtirl [24]2 years ago

5 0

Answer:

I don't get your question,

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What is the sum of the series? ∑ i=1 5 4i Enter your answer in the box.

nekit [7.7K]

We have that

the expressions is <span>∑ i=1 to 5 (4i)
for i=1-----------> (4*1)=4
</span>for i=2-----------> (4*2)=8
for i=3-----------> (4*3)=12
for i=4-----------> (4*4)=16
for i=5-----------> (4*5)=20
∑ i=1 to 5 (4i)=[4+8+12+16+20]=60

the answer is 60

7 0

3 years ago

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Explain how you know each fraction is equivalent .49

Lady bird [3.3K]

You have to cross multiply
1/2=2/4
(1*4)=(2*2)
4=4

4 0

3 years ago

Tax rate 3.9% what is the tax on $42 round to nearest hundredth<br> I really need to know??

AfilCa [17]

Answer:

the answer to this is 43.638 boi

Step-by-step explanation:

3 0

3 years ago

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A ball is dropped from the top of the Empire State building to theground below. The height, y, of the ball above the ground (in

Rasek [7]

Answer:

A) $v(t)=v_{0}+at$ ,

B) The aceleration is constant due to $a=g=-9.8\frac{m}{s^{2} }$

C) t=8,81s

$86,33\frac{m}{s}*\frac{feet}{0.3048m}=283,23\frac{feet}{s}\\86,33\frac{m}{s}*\frac{3600s}{1h}*\frac{mile}{1609,34m}=193,11\frac{mile}{h}$

Step-by-step explanation:

Be y as the heigh (y) of the roof of the empire state (381m)

A) $v=v_{0}+a.t$ to $v_{0}=0$ then v=-a.t, so ( $a=-9.8\frac{m}{s^{2} }$ ) ; acceleration of gravity

since the acceleration is down the falling speed is negative

B) The aceleration is constant due to $a=g=-9.8\frac{m}{s^{2} }$

C) $y=y_{0}+v_{0}t+\frac{1}{2}at^{2}$

$0=381+0.t+\frac{1}{2}(-9.8)t^{2}$

$-9.8t^{2}=-762\\t^{2}=77,75\\t=\sqrt{77,75} =8,81s$

$86,33\frac{m}{s}*\frac{feet}{0.3048m}=283,23\frac{feet}{s}\\86,33\frac{m}{s}*\frac{3600s}{1h}*\frac{mile}{1609,34m}=193,11\frac{mile}{h}$

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3 years ago

i have 16 red skittles, 15 green skittles, 10 yellow skittles, 11 purple skittles, and 11 orange skittles. What fraction of my s

Ainat [17]

16/63 is the answer

7 0

3 years ago

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