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jok3333 [9.3K]
4 years ago
10

Lefties The author had difficulty finding the percentage of people who write with their left hand. If we want to estimate that p

ercentage based on survey results, how many people must we survey in order to be 99% confident that we are within two percentage points of the population percentage? Assume that we know nothing about the percentage of the population that writes with the left hand.
Mathematics
1 answer:
Zigmanuir [339]4 years ago
8 0
I am a lefty, and I know for a fact that 40% off the population write with there left
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Pls help me on this​
lions [1.4K]

Answer:

A. $3

Step-by-step explanation:

20 × 15% =

20 × 15/100 =

20 × 3/20 = 60/20 = 3

3 0
3 years ago
Read 2 more answers
Larry has taken out a $600 loan with a 12 percent interest rate to buy a laptop computer. He needs to repay the loan by the end
Ipatiy [6.2K]
The is the concept of financial mathematics, given that Larry has a loan of $600 which has an interest rate of 12%, which is payable within 2 years. This mode of payment is called the simple interest mode of payment. This is because the he has been given a fixed periodic amount of payment. In compound interest, the amount payable is not fixed.
3 0
3 years ago
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Please help solve correctly. NO links or files. Correct answers only if not report. I will even give an additional 10 if correct
mezya [45]

Answer:

144.51326 cm^{2}

Step-by-step explanation:

A = 2πrh + 2πr^{2}

d = 4

r = 4/2 = 2 cm

h = 9.5cm

A = 2π(2)(9.5) + 2π(2)^{2}  = 144.51326 cm^{2}

Don't know if you need to round it or not

5 0
3 years ago
jasmine had 12 chips. she gave some to ms. maxwell. now jasmine has18 chips. how many chips did she give to ms. maxwell?
Ne4ueva [31]
That question doesn't make sense. 

3 0
4 years ago
Given m<6=142 find the measure of each missing angle,give your reasoning
Elan Coil [88]

Answer/Step-by-step explanation:

a. m<1 and m<6 are vertical angles, hence they are congruent.

Therefore, m<1 = m<6 = 142°

b. <2 and <6 form a linear pair.

Therefore, m<2 + m<6 = 180°

m<2 = 180° - 142° = 38°

c. <2 and <3 are interior angles of the same side of the transversal line, thus, they are supplementary.

Therefore:

m<2 + m<3 = 180°

m<3 = 180° - 38° = 142°

d. m<4 = m<2 = 38° (corresponding angles lying on the same side of the transversal line are equal)

e. m<5 = m<2 = 38° (vertical angles are equal)

f. m<7 = m<4 = 38° (vertical angles are equal)

g. m<8 = m<3 = 142° (vertical angles are equal)

8 0
3 years ago
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