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2 years ago

7

Lucy had 1/3 of an hour to make a sandwich and change her clothes to get ready for her piano lesson. If she spends the same amou

nt of time doing each thing, how much time will she spend doing each?

1 answer:

LekaFEV [45]2 years ago

3 0

Answer:

ok

Step-by-step explanation:

i believe its 1/3 divided by 3 if im not wrong

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Mariulka [41]

The numbers given are length-15 width-10 and height-2

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3 years ago

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Y = 6
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3 years ago

An instructor made a frequency table of the scores his students got on a test score frequency 30-under 40 1 40-under 50 4 50-und

RideAnS [48]

First, you add up the total number of students because we would base our percentage one this.

Total number of students = 1+4+5+10+20+10+5
Total number of students = 55

Now, let's count how many of them got a score of more than 70. For this, you would only count the students belonging to 70-under 80, 80-under 90 and 90-under 100.

Students who got more than 70 = 20+ 10 + 5 = 35

Therefore the percentage is equal to:
Percentage = 35/55 * 100 = 63.64%

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3 years ago

Write an exponential function in the form y=ab^xy=ab x that goes through points (0, 20)(0,20) and (6, 1280)(6,1280).

Phoenix [80]

Answer:

$y=20(2)^x$

Step-by-step explanation:

We want to write an exponential function that goes through the points (0, 20) and (6, 1280).

The standard exponential function is given by:

$y=ab^x$

The point (0, 20) tells us that <em>y</em> = 20 when <em>x</em> = 0. Hence:

$20=a(b)^0$

Simplify:

$20=a(1)\Rightarrow a=20$

So, our exponential function is now:

$y=20(b)^x$

Next, the point (6, 1280) tells us that <em>y</em> = 1280 when <em>x</em> = 6. Thus:

$1280=20(b)^6$

Solve for <em>b</em>. Divide both sides by 20:

$64=b^6$

Therefore:

$b=\sqrt[6]{64}=2$

Hence, our function is:

$y=20(2)^x$

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2 years ago

Which is prime????????

Simora [160]

Answer: 11, 3, and 17

so C E and F

Step-by-step explanation:

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2 years ago

Read 2 more answers