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Valentin [98]
3 years ago
5

8r+9r-11r+7r what is the answer I have to turn it in today!!

Mathematics
2 answers:
cestrela7 [59]3 years ago
8 0

Answer:

=13r

Step-by-step explanation:

All you have to do is sum and subtract where the sign applies

8r+9r-11r+7r

=17r-4r

=13r

Drupady [299]3 years ago
7 0

Answer:

13r

Step-by-step explanation:

8+9=17-11=6+7=13

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The Naturally Made Bath and Body store pays $550 a month for rent and utilities. The average cost for its products to be manufac
skelet666 [1.2K]
To determine the equation to represent this situation, we can use 2.5x to show the amount of profit per product, and a y intercept value of -550 to show the cost for rent. Now, we have the equation y=2.5x-550.

The break even point is when the profits balance out the expenses, so in this case, y should equal 0.

0=2.5x-550

Add 550 to both sides...

550=2.5x

Divide both sides by 2.5...

x=220

So, our answer is 220 products.
3 0
3 years ago
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Evaluate expression 15/x for x=3
irga5000 [103]

Answer:

x=5

Step-by-step explanation:

15÷5=3

that is the right answer

4 0
2 years ago
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Please solve the underlined question thank you!
notsponge [240]

Answer:

Step-by-step explanation:

4

Take out a 2 to begin with.

2(25x^2 - 36)    This is the difference of squares (inside the brackets). Factor.

2*(5x - 6)(5x + 6)

5 0
3 years ago
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An athlete runs 8 miles in 50 minutes on a treadmill. At this rate how long will it take the athlete to run 9 miles? Your answer
zvonat [6]
56.25 minutes

Explanation: to find how long it takes to run one mile, divide 50 minutes by 8 miles.
50/8 = 6.25
Then you can multiply 6.25 by 9 to find the answer.
9 x 6.25 = 56.25 minutes
4 0
3 years ago
A rectangle is 20 meters long and 20 meters wide. If the length is increased by 10% and the width is decreased by 10%, what is t
Solnce55 [7]

Consider that the initial length and width of the rectangle are given as,

\begin{gathered} l=20 \\ b=20 \end{gathered}

After the length is increased by 10%, the new length (L) of the rectangle is calculated as,

\begin{gathered} L=(1+\frac{10}{100})\cdot l \\ L=(\frac{110}{100})\cdot20 \\ L=22 \end{gathered}

After the width is decreased by 10%, the new width (B) of the rectangle is calculated as,

\begin{gathered} B=(1-\frac{10}{100})\cdot b \\ B=(\frac{90}{100})\cdot20 \\ B=18 \end{gathered}

Then the area (A) of the new rectangle is calculated as,

\begin{gathered} A=L\times B \\ A=22\times18 \\ A=396 \end{gathered}

Thus, the new area of the rectangle is 396 square meters.

7 0
1 year ago
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