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sleet_krkn [62]
2 years ago
11

Add or Subtract to simplify

Mathematics
1 answer:
exis [7]2 years ago
5 0

Answer:

-5x^5 + 2x^3 - 6x should be your answer

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Anais bought 3½ yards of ribbon. She had 2 feet 10 inches of ribbon left after trimming some curtains. How many inches of ribbon
vredina [299]

Answer:

mathematics questions and then you solve your questions

6 0
3 years ago
4x – 3y=8<br> 2. 5x – 2y = -11
AlladinOne [14]

Answer:

x = -7

y =  - 12

Step-by-step explanation:

The given system is:

4x-3y=8

5x-2y=-11

We make x the subject in the top equation to get:

x =  \frac{3}{4}y + 2

Plug this expression for x in the bottom equation to get

5( \frac{3}{4}y + 2) - 2y=  - 11

We expand to obtain

\frac{15}{4} y + 10 - 2y =  - 11

Multiply through by 4

15y + 40 - 8y =  - 44

Group similar terms

15y - 8y =  - 44 - 40

7y =  - 84

y =  -  \frac{84}{7}  =-12

This means

x =  -12\times  \frac{3}{4}  + 2

x =  - 7

6 0
3 years ago
Translate the following sentence into an algebraic equation: 3 times "r" less than
victus00 [196]

Answer:

 

Step-by-step explanation:

5 0
3 years ago
A snack bar sells popcorn in cone-shaped containers. one container has a diameter of 8 inches and a height of 10 inches. how man
uysha [10]
We know that the volume of a cone is given by the following relation:  
V = (pi * r^2 * h)/3 
 where r is radius and h is height of the cone
  In our case, radius is diameter divide by 2: 
 V = (pi * (8/2)^2 * 10) / 3 = 167.55 cubic inches 
 So the container holds 167.55 cubic inches
7 0
3 years ago
Read 2 more answers
Suppose that you know that angle T and angle S are supplementary, and that m angle T = 8 · (m angle S). Complete the explanation
Ira Lisetskai [31]

Answer:

well, a supplementary angle is two angles that sum up to 180 degrees. If one angle is 8, then the other angle would be found by using 180-8=? Or ?+8=180. Because of this, the other angle would equal 172

Step-by-step explanation:

6 0
2 years ago
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