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irinina [24]
3 years ago
10

Can someone help me

Mathematics
1 answer:
Alexxandr [17]3 years ago
6 0

Answer:

i) 0.1056

ii) 0.105

iii) 0.1

iv) 0.1056

Step-by-step explanation:

0.36, to the power of 2 (0.36×0.36) is 0.1296

0.1296-0.03×0.8=0.1056

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Amanda got 4/5 of the questions on the math quiz correct. Joe got 75% of the questions on the math quiz right. Who got more ques
Elden [556K]

Amanda got more questions correct.

<u>Step-by-step explanation:</u>

Given:

Amanda got  \frac{4}{5}  of the questions correct.

Joe got 75% or \frac{75}{100} of the questions correct.

To Find:

Individual with maximum number of correct question.

Solution:

Now we have to convert fraction and percent into a decimal number, so that we can compare it.

\frac{4}{5} = 0.8

\frac{75}{100} = 0.75,

Thus from the above obtained decimal details we can conclude that Amanda got more questions correct.

4 0
3 years ago
206 is what percent of 618
luda_lava [24]
33.33%

Do 206/618 which is 0.3333333..

Move the decimal two places to the right.

7 0
3 years ago
Read 2 more answers
Circumference C=25 units.
Allisa [31]

The answer is 50. I have the same question and it makes no sense. The r= and the d= are supposed to have answers, but I’m not sure how you get them

8 0
3 years ago
Suppose the claim size of an auto collision insurance, X, is uniformly distributed on the interval $1,000 to $10,000. What is th
timurjin [86]

Answer:

35.35%

Step-by-step explanation:

If there were no deductibles, the expected claim payment would be:

E(X) = \frac{10,000 +1,000}{2} \\E(X) =\$5,500

If the collision insurance claim is under $2,000, then the insurer would not pay anything, but if X > $2,000, then the insurer would pay X - $2,000. The new expected value is:

E_2(X)=\frac{2,000-1,000}{10,000-1,000} *0+\frac{10,000-2,000}{10,000-1,000}*\frac{(2,000-2,000)+(10,000-2,000)}{2} \\E_2(X)=\frac{8}{9}*\frac{0+8,000}{2}\\ E_2(X)=\$3,555.56

The percentage reduction on the claim payment is:

P=(1-\frac{E_2(X)}{E(X)})*100 \\P=(1-\frac{3,555.56}{5,500})*100\\P=35.35\%

There was a 35.35% reduction.

8 0
3 years ago
A little help would be nice
Katena32 [7]

Answer:

13). -2x³ + x² + 1   14). x + 10y - 10z   15). -2x³ + x² + 1

Step-by-step explanation:

13). (x³ - x² + 4) - (3x³ - 2x² + 3)

= x³ - x² + 4 - 3x³ + 2x² - 3

= x³ - 3x³ - x² + 2x² - 3 + 4

= -2x³ + x² + 1

14). (3x + 4y - 3z) - (2x - 6y + 7z)

= 3x + 4y - 3z - 2x + 6y - 7z

= 3x - 2x + 4y + 6y - 3x - 7z

= x + 10y - 10z

15). (x³ - x² + 4) - (3x³ - 2x² + 3)

= x³ - x² + 4 - 3x³ + 2x² - 3

= x³ - 3x³ - x² + 2x² + 4 - 3

= -2x³ + x² + 1

3 0
3 years ago
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