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natima [27]
2 years ago
5

Describe how you would use a yardstick to measure a length of a rug

Mathematics
1 answer:
Free_Kalibri [48]2 years ago
6 0
<span>If you didn't know the precise measurements, you could lay the stick on the rug and measure how many of those yardsticks fit onto that rug. Then you could take that yardstick to a store and find a new one by applying the same type of measuring and you would find things that are the same size. You would use the stick for reference.</span>
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What is the slope of a line that is perpendicular to 4x-8y=64
tino4ka555 [31]

Answer

Slope: -2

Step-by-step explanation:

Perpendicular slope is the negative reciprocal of the original slope.

The original slope was 1/2. Flip it. 2/1=2. Now change the sign to -2.

4 0
3 years ago
Match the input values on the left ( X ) with the output values on the right ( Y ). y = 2 x + 7 1 . 9 3 2 . 13 4 3 . 15 1 4 . 11
KIM [24]

Answer:

wow let me try

Step-by-step explanation:it is a 90% sure

3 0
2 years ago
You buy magazines for $5 and books for $10. You spent a total of $100. Let x represent the number of magazines and y represent t
bagirrra123 [75]
The answer would be 10x+5y=100
8 0
2 years ago
The half-life of caffeine in a healthy adult is 4.8 hours. Jeremiah drinks 18 ounces of caffeinated
statuscvo [17]

We want to see how long will take a healthy adult to reduce the caffeine in his body to a 60%. We will find that the answer is 3.55 hours.

We know that the half-life of caffeine is 4.8 hours, this means that for a given initial quantity of coffee A, after 4.8 hours that quantity reduces to A/2.

So we can define the proportion of coffee that Jeremiah has in his body as:

P(t) = 1*e^{k*t}

Such that:

P(4.8 h) = 0.5 = 1*e^{k*4.8}

Then, if we apply the natural logarithm we get:

Ln(0.5) = Ln(e^{k*4.8})

Ln(0.5) = k*4.8

Ln(0.5)/4.8 = k = -0.144

Then the equation is:

P(t) = 1*e^{-0.144*t}

Now we want to find the time such that the caffeine in his body is the 60% of what he drank that morning, then we must solve:

P(t) = 0.6 =  1*e^{-0.144*t}

Again, we use the natural logarithm:

Ln(0.6) = Ln(e^{-0.144*t})

Ln(0.6) = -0.144*t

Ln(0.6)/-0.144 = t = 3.55

So after 3.55 hours only the 60% of the coffee that he drank that morning will still be in his body.

If you want to learn more, you can read:

brainly.com/question/19599469

7 0
2 years ago
20 POINTS TO ANYONE! HURRYYYY HURRY HURRY
Oksi-84 [34.3K]

Answer:

a

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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