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3 years ago

Can someone, anyone, help me?

Mathematics

2 answers:

Thepotemich [5.8K]3 years ago

6 0

(5-0)^2+(3-3)^2

25+0

The square root of 25 is 5

The distance is 5.

Anna35 [415]3 years ago

6 0

(5-0)^2+(3-3)^2

25+0

The square root of 25 is 5

The distance is 5.

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Nico completes 1/8 of his math problems in 2/5 of an hour.At tis rate how many of his math problems will he he finish in 1 hour

Whitepunk [10]

Answer:

it is 1/8÷2/5= 5/16

Step-by-step explanation:

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3 years ago

A test has 20 questions worth 100 points. The test consists of true/false questionsworth 3 points each and multiple choice quest

Artist 52 [7]

X for number of true/false questions and y for number of multiple choice questions:

3x+11y=100
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3 years ago

According to a report in USAToday (February 1, 2012), more and more parents are helping their young adult children get homes. Su

julia-pushkina [17]

Given Information:

Young adults who received help from parents = 8

Total number of young adults = 40

Confidence level = 95%

Required Information:

Margin of error = ?

95% confidence interval = ?

Answer:

Margin of error = 0.124

95% Confidence Interval = (0.076, 0.324)

Step-by-step explanation:

The proportion of young adults who purchased a home in Kentucky and received help from their parents is given by

$p = 8/40\\p = 0.20\\p = 20 \% \\$

The margin of error is given by

$MoE = z\cdot \sqrt{\frac{p(1-p)}{n} }$

Where p is the proportion of young adults who purchased a home in Kentucky and received help from their parents and n is the total number of young adults.

The z-score corresponding to 95% confidence level is 1.96

$MoE = 1.96\cdot \sqrt{\frac{0.20(1-0.20)}{40} }\\MoE = 1.96\cdot 0.063\\MoE = 0.124$

Whereas the confidence interval is given by

$CI = p \pm MoE\\CI = 0.20 \pm 0.124\\CI = 0.20 - 0.124 \: and \: 0.20 + 0.124\\CI = 0.076 \: and \:0.324\\$

Therefore, we are 95% Confident that the young adults who purchased a home in Kentucky and received help from their parents is within the Interval of (0.076, 0.324)

8 0

3 years ago

I dont understand this

Slav-nsk [51]

Hello,

Answer D. y²=2e^x+14
Indeed

yy'=e^x
=>y²/2=e^x+C
if x=0 and y=4==>16/2=e^0+c==>8-1=c==>c=7

y²/2=2e^+14

3 0

3 years ago

65p-19(8w÷2) p=33 w=2

telo118 [61]

Given the below expression;