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3 years ago

7

Get the algebraic expressions in the following cases using variables constants and arthmetic a subtract 1)Subtract 25 from the s

um of a and b 2)square of x is subtracted from square of y

1 answer:

Troyanec [42]3 years ago

5 0

Answer:

1.) (a + b) - 25

2.) sqrt(y) - sqrt(x)

Step-by-step explanation:

when they use the word 'from,' you know that it will be the second term, also dont forget your parentheses

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The symphonic choir and the jazz choir are recording songs for an album. The album can be no more than 72 minutes long. The jazz

zimovet [89]

Answer:

The symphonic choir can record a maximum of 14 songs.

Step-by-step explanation:

We know that the album cannot be more than 72 minutes long, and the jazz choir records a total of $7 (3min) = 21$ song minutes.

If we call $c$ the number of songs the symphonic choir records , and each song is 3.5 minute long, then the song minutes for the symphonic choir are $3.5c$ ; therefore, we have the inequality

$3.5c+21\leq 72$ <em> (this says the song minutes for jazz choir plus song minutes for symphonic choice cannot exceed 72 minutes )</em>

We solve this inequality by subtracting 21 from both sides and then dividing by 3.5:

$3.5c\leq 51$

$c\leq \frac{51}{3.5}$

$c\leq 14.47$

The maximum integer value $c$ can take is 14; therefore, the maximum number of songs the symphonic choir can record is 14 songs.

3 0

3 years ago

Ramon plays a game which his older sister he first gains 5 points then loses 8 points and finally gains 10 points what is his fi

vladimir1956 [14]

Answer:

7 points

Step-by-step explanation:

started out w/ 5 points, then loses 8

5 - 8 = -3

gains 10 points

-3 + 10 = 7

3 0

2 years ago

5x−y=14 in slope intercept form <br> y=_

frozen [14]

Simple, rewrite this equation, in y=mx+b form.

Move over the 5x, making it look like, -y=-5x+14

Then, just simply divide by the negative one in front of the y.

y=5x-14.

3 0

2 years ago

Read 2 more answers

What is the value of x?

Murrr4er [49]

Answer:

x=80 degrees

Step-by-step explanation:

5 0

3 years ago

4,357.25 rounded two decimal places

Amiraneli [1.4K]

Answer:

$4357.25$

Step-by-step explanation:

Given the following question:

$4357.25$
$4357.250$
$0$
$=4357.25$

The following number is already rounded two decimal places which means the answer is "4357.25."

In case you meant one decimal place....

$4357.25$
$5=5$
$=4357.3$

Hope this helps.

3 0

2 years ago