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3 years ago

What is this number rounded to the nearest penny $2.759

Mathematics

1 answer:

Alinara [238K]3 years ago

3 0

$2.76 because 9 rounds up to 6 so it is 2.76. brainliest would be much appreciated because I am trying to rank up!!!!!

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To do this you first have to set this up vertically.
First you multiply through with the 2 (44×2=88). Then next, you have to multiply through with the 1 (44×1=44) But since this is the second line, you have to add the 0 to the end (440).
Now you simply add 88+440=528.

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3 years ago

What does 5 + 5 equal

bixtya [17]

Answer:

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Step-by-step explanation:

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4 years ago

in an election between two candidates one got 55% of the total valid votes 20% votes were invalid if the total number of votes w

timurjin [86]

Answer:

25%- 1875 Votes

7500 x 0.55 = 4125 (first candite valid votes)

7500 x 0.20 = 1500 (invalid)

first candite valid votes (55) + invalid votes (20) = 75% of total votes

first candite valid votes (4125) + invalid votes (1500 ) = 5625 of total votes

100 (total percent of votes) - 75 (total percent of votes) = 25% Votes Left

7500 (total number of votes) - 5625 (total number of votes) = 1875 Votes Left

7500 x 0.25 = 1875 (valid votes for the other candite)

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3 years ago

Triangle ABC is similar to triangle DEF.

amid [387]

Answer:

1.5

Step-by-step explanation:

12 / 8 = 1.5

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2 years ago

A theater has a seating capacity of 750 and charges $3 for children, s5 for students, and $7 for adults. At a certain screening

-BARSIC- [3]

Answer:

Between 150 and 450

Step-by-step explanation:

We are going to find the number by resolving a system of linear equations.

First we write the system equations :

$C+S+A=750$

Where C : children, S : students and A : adults

The equation represents the ''full attendance''

The second equation :

$3C+5S+7A=3450$

This equation represents the totaled receipts.

The system :

$C+S+A=750\\3C+5S+7A=3450$

has the following associated matrix :

$\left[\begin{array}{cccc}1&1&1&750\\3&5&7&3450\end{array}\right]$

By performing elementary matrix operations we find that the matrix is equivalent to

$\left[\begin{array}{cccc}1&0&-1&150\\0&1&2&600\\\end{array}\right]$

The new system :

$C-A=150\\S+2A=600$

Working with the equations :

$C = 150 + A\\S = 600-2A$

Our solution vector is :

$\left[\begin{array}{c}C&S&A\end{array}\right] =\left[\begin{array}{c}150+A&600-2A&A\end{array}\right]$

For example :

If 0 adults attended ⇒ A = 0

$C = 150 + 0 \\C = 150\\S = 600 - 2A\\S = 600$

This verify the totaled receipts equation :

150($3)+600($5) = $ 3450

A ≥ 0 ⇒ If A = 0 ⇒ C = 150

C = 150 is the minimum children attendance

From the equation :

$S = 600 -2A$

S ≥0

600 - 2A ≥ 0

600 ≥ 2A

300≥ A

A is restricted to the interval [ 0, 300]

When A = 0 ⇒ C = 150

When A = 300 ⇒C = 150 + A = 150 + 300 = 450

Children ∈ [ 150,450]

With C being an integer number (including 0)

Also S and A are integer numbers (including 0)

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3 years ago