I need help(practice quiz)

Mathematics

2 answers:

Lisa [10]2 years ago

8 0

Answer:

5 out of 11 thats the answer or as 5/11

jekas [21]2 years ago

6 0

Answer:

1/5

Step-by-step explanation:

total green is 5 so divide 1 by 5

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The aircraft A330 flies at an average speed of 400 miles per hchor. The expression, 400t gives the distance traveled by the airc

Olenka [21]

The expression:

$d(t)=400t$

gives the distance traveled by the aircraft in t hours, so, for t = 6:

$\begin{gathered} t=6 \\ d(6)=400(6) \\ d(6)=\frac{2400mi}{h} \end{gathered}$

6 0

1 year ago

The ratio of the volume of two solids is 1331:729. What is the ratio of the surface area

katovenus [111]

Volume ratio = 1331/729 which is the cube of the linear scale factor.
To find the linear scale factor, let find the cubic root of the numerator & the denominator:

∛1331 = ∛11³ = 11

& ∛729 = ∛9³ = 9

So the linear scale is 11/9 ==> then the ratio of their surface area will be:

11²/9² ==> 121/81.
Note, if you have a linear scale, then the surface will be the square othis scale & the volume will be the cube of the linear scale

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3 years ago

What is 66% of $444? (Round to the nearest whole number)

mezya [45]

$444-66%= $150.96= $151

8 0

2 years ago

9. Determine if x + 1 is a factor of x ^ 4 - 4x ^ 2 - 4x - 1 Justify your answer.

Elden [556K]

Answer:

Step-by-step explanation:

x + 1 is not a factor of the polynomial because the remainder is 2 and not 0

5 0

2 years ago

Natalie has $5000 and decides to put her money in the bank in an account that has a 10% interest rate that is compounded continu

kakasveta [241]

Step-by-step explanation:

Natalie has $5000

She decides to put her money in the bank in an account that has a 10% interest rate that is compounded continuously.

Part a) What type of exponential model is Natalie’s situation?

Answer:

As Natalie's situation implies

continuous compounding. So, instead of computing interest on a finite number of time periods, for instance monthly or yearly, continuous compounding computes interest assuming constant compounding over an infinite number of periods.

So, it requires the more generalized version of the principal calculation formula such as:

$P\left(t\right)=P_0\times \left[1+\left(i\:/\:n\right)\right]^{\left(n\:\times \:\:t\right)}$