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3 years ago

Austin left for school at 7:35 am he arrived at school 15 minutes later what time did Austin arrive at school

Mathematics

2 answers:

Shtirlitz [24]3 years ago

4 0

750.........................

Marina CMI [18]3 years ago

4 0

7:25 am
hope it helps

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What is the value, after 7 years, of a Ford Mustang that originally cost $ 25,000.00 if t depreciates at a rate of 8% per year?

kiruha [24]

Answer:

For this case we have an exponential function of the form:

Where,

A: original cost

b: rate of change

x: number of years

Therefore, replacing values we have:

Answer:

the value, after 7 years, of a 2014 Ford Mustang is:

y=13946

8 0

4 years ago

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Three fair quarters are tossed, and a tail appears on at least one of them. What is the probability that at least one head appea

nirvana33 [79]

Answer:

Probability that at least one head appears is $\frac{6}{7}$

Step-by-step explanation:

Given : Three fair quarters are tossed, and a tail appears on at least one of them.

To find : What is the probability that at least one head appears?

Solution :

When three fair quarters are tossed the sample form is

$\{HHH,HHT,HTH,HTT,THH,THT,TTH,TTT\}$

According to question,

In a sample space a tail appears on at least one of them.

i.e. Total outcomes is $\{HHT,HTH,HTT,THH,THT,TTH,TTT\}=7$

Favorable outcome is getting at least one head appears

i.e. Favorable outcome is $\{HHT,HTH,HTT,THH,THT,TTH\}=6$

Probability that at least one head appears is

$\text{Probability}=\frac{\text{Favorable outcome }}{\text{Total outcome}}$

$\text{Probability}=\frac{6}{7}$

Therefore, Probability that at least one head appears is $\frac{6}{7}$

3 0

4 years ago

Which of these choices show a pair of equivalent expressions? A.7^5/7 and (√ 7)^5 B.6^7/2 and (√ 6)^7 C.(4√ 81)^7 and 81^7/4 D.5

OverLord2011 [107]

We will use the following law of indices (or 'index law') to check each pair of expression

$x^{ \frac{m}{n}} = ( \sqrt[n]{x} )^{m}$

With fractional power, the denominator is the root and the numerator is the power of the term. When the denominator is 2, we usually only write the normal square symbol (√). Denominator other than 2, we usually write the value of the root, for example, the cubic root ∛

Option A - Incorrect
$7^{ \frac{5}{7}}$ should equal to $( \sqrt[7]{7} )^{5}$

Option B - Correct
$6^{ \frac{7}{2} }$ does equal to $( \sqrt{6}) ^{7}$

Option C - Incorrect
$4( \sqrt{81} )^{7}$ should equal to $(4)( 81^{ \frac{7}{2} } )$

Option D - Incorrect
$5^{ \frac{2}{3} }$ should equal to $( \sqrt[3]{5} )^{2}$

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3 years ago

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Sharonda is plotting quadrilateral PQRS on the graph below. She will plot the fourth and

lana [24]

Answer:

11 units

Step-by-step explanation:

Length of side PS can be calculated using the distance formula, $d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$