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Natali5045456 [20]
3 years ago
13

(HELP 10 POINTS) Find the difference. Write your answer in standard form.

Mathematics
2 answers:
Lesechka [4]3 years ago
7 0

-5x² -4x +8  

remove parentheses and collect terms.

 (-2x² +3) -(3x² +4x -5)

 = -2x² +3 -3x² -4x +5

 = (-2-3)x² -4x +(3 +5)

 = -5x² -4x +8

makkiz [27]3 years ago
4 0

9514 1404 393

Answer:

  -5x² -4x +8

Step-by-step explanation:

Eliminate parentheses and collect terms.

  (-2x² +3) -(3x² +4x -5)

  = -2x² +3 -3x² -4x +5

  = (-2-3)x² -4x +(3 +5)

  = -5x² -4x +8

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A club is making posters to raise money. The printer charges a base fee of $270 and $2 per poster for supplies. A person sells e
sesenic [268]

<u>Answer:</u>

He must sell 190 posters make a profit of $300.

<u>Explanation: </u>

Given:

Base fee= $270  

Fee for supplies= $2

Cost of poster=$5

To find:

The number of posters to be sold to get a profit of $300=?

Solution:

Let the number of posters sold be n.

Now, we know that,

profit = selling price – cost price

$ 300 = $ 5 for each poster – ( $ 270 base fee + $ 2 for each poster)

300 = 5 x n – (270 + 2 x n)  

300 = 5n – 270 – 2n  

5n – 2n = 300 + 270  

3n = 570  

n=\frac{570}{3}

n = 190

6 0
3 years ago
For t=2 , 14t−3t is equal to ____? and 3t−14t is equal to ____?
const2013 [10]

Answer:

14t-3t=22

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  2. where there is t multiply by 2
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2 years ago
How do you find surface area ? i don't remember. also new friends :) ?
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Answer:

be my bestie

Step-by-step: The surface area is the number of square units that fit into the square. As shown in the picture, the surface area of this square is 16 total square units. With a rectangle and square we can also get the surface area by multiplying width (W) x length (L).tep explanation:

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The answer is b.
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HELP ME PLZZ I AM GIVING 40 POINTS
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Answer:

D. 4/25

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