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DedPeter [7]
2 years ago
14

Harriet has a square piece of paper. She folds it in half again to form a second rectangle (the high is not a square). The perim

eter of the second rectangle is 30cm. What is the area of the original piece of paper?
Mathematics
2 answers:
dlinn [17]2 years ago
8 0

Answer:

The area of the original piece of paper is 60cm

mafiozo [28]2 years ago
6 0

Answer:

the answer is 60

hope it helps :D

Step-by-step explanation:

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48% or 48/100 only in percents and fractions
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The volume of a sphere is 5,000pi m3. What is the surface area of the sphere to the nearest square meter?
tia_tia [17]
Surface area of a sphere = <span>4π<span>r2</span></span>
 the volume of a sphere= <span><span>43</span>π<span>r3</span></span>
 so <span>5000π=<span>4/3</span><span>πr3
</span></span><span>> r^3 = 5000 x 3 / 4 =>
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</span>taking cube root on both sides
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hope it helps
5 0
2 years ago
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Frank had hip replacement surgery and was given a prescription with instructions to take a 200 milligram (mg) tablet three times
IgorC [24]

Answer:

12,600mg per 21 days

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200mg three times a day → (200mg)(3) = 600mg per a day

21 days → (21)(600mg) = 12,600mg per 21 days

5 0
2 years ago
After doing some work in the house, Bob and Carol want to put a concrete patio on the side of the house to keep people from trac
Irina-Kira [14]

Answer:

Volume= 2.92cubic yard

Step-by-step explanation:

Converting to ft

23ft9inches= 23+(9/12)=23.75ft

10ft 1 in= 10 +(1/12)= 10.083ft

4 inches= (4/12)=0.333ft

Volume= L×W×H

Volume= 23.75 × 10.083×0.33= 79.02ft^3

Converting to cubic yard

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4 0
2 years ago
Luis has saved $6. he doubles the amount he saves each week.does this represent an exponential function?complete:
Ilya [14]

Answer:

This 6(2)^{n-1} represent an exponential function, because his savings increase by a constant factor of 2.

Step-by-step explanation:

It is given that,

Luis has saved $6 and he doubles the amount each week.

So, the amount saved in the next week = 6×2 = 12

This gives the amount saved in the third week = 12×2 = 24

So, we get the sequence 6, 12, 24, 48,.....

It can be written as, 6×2⁰, 6×2¹, 6×2², 6×2³,.....

So, the sequence in the exponential form 6(2)^{n-1}, where 'n' is a natural number.

Also, 6, 12, 24, 48,.....

The numbers are increasing by the factor = \frac{12}{6}=\frac{24}{12}=....=2

Hence, we get,

This 6(2)^{n-1} represent an exponential function, because his savings increase by a constant factor of 2.

8 0
2 years ago
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