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Ivanshal [37]
3 years ago
14

Combine like terms to create an equivalent expression. 3.4 − 2.8d + 2.8d − 1.3

Mathematics
1 answer:
love history [14]3 years ago
8 0

Answer: the answer is: 5.6d+2.1 thats the final answer to that question.



Step-by-step explanation:

this is how you would combine like terms; you would match whatever #'s or letters together that is how you combine like terms. 

for this one you would do it like this... 2.8d+2.8d-3.4-1.3 (this is how you would combine them) to solve it you would add 2.8d and 2.8d and would minus 3.4 and 1.3.  i didn't solve it yet for you. if you would like me to solve it, let me know. but i explained it to you already on how to solve it. 

hope that helps! 

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Mrs.Cranston bought five bottles of water for $0.90 each and 8 pounds of meat. She paid a total of $26.90 for these items, not i
Morgarella [4.7K]
Water = 5 bottles * $0.90 = $4.50
meat = 8 pounds * x amount.

Total = water + meat prices = $26.90
26.90 = $4.50 + 8x
22.40 = 8x
2.8 = x

The price per pound of meat is $2.80.
6 0
3 years ago
Please help! Thank youuuu!
ExtremeBDS [4]
F(x) = 3x² + 6x - 1

The graph is a parabola open upward (a= 3>0) with a minimum.

Calculate the vertex:

x = -b/2a → x = -6/(2.3) = -1. Then the axis of symmetry is x = - 1
Now to calculate the minimum, plugin the value of x:

y = 3x² + 6x - 1

y = 3(-1)² + 6(-1) -1

y= 3 - 6 -1 and y = - 4,

Ten the vertex (minimum) is at (-1,- 4)


4 0
3 years ago
Four people are carpeting a house. Heidi carpets 1/6 of the house, Lisa carpets 16% of the house, Martina carpets 0.2 of the hou
Lina20 [59]
Heidi : 1/6 = 0.166
Lisa : 16% = 0.160
Martina : 0.200
Jaydie : 0.180

least to greatest : Lisa, Heidi, Jaydie, Martina
6 0
3 years ago
Solve the simultaneous equations using elimination method.<br>4x – 3y = 1<br>x + 3y =​
babymother [125]

Answer:

x=\frac{1}{5}

y = -\frac{1}{15}

Step-by-step explanation:

4x - 3y = 1

x + 3y = 0

Req To Solve With Elimination:

Make Them Equal:

-> 4x - 3y = 1

-> 4x + 4 . 3y = 0

Simplify:

->  4x - 3y = 1

-> 4x + 12y = 0

-> 4x - 4x - 3y - 12y = 1

-> -3y - 12y = 1

-> -15y = 1

-> y = -\frac{1}{15}

-> x+3(-\frac{1}{15} )=0

-> x -\frac{1}{5}=0\\

-> x=\frac{1}{5}

<em><u>Please Mark As Brainliest</u></em>

8 0
3 years ago
Read 2 more answers
Please help this is due in 10 minutes!!!
Mandarinka [93]

Answer:

3053.63 un³

Step-by-step explanation:

Hello!

The diameter is 18, so the radius is half of the diameter, or 9.

Using the volume of a sphere formula: \frac43\pi r^3

Solve:

  • \frac43\pi r^3
  • \frac43\pi *9^3
  • \frac43*729\pi
  • 972\pi
  • 3,053.6280592893 ≈ 3,053.63

The volume is 3053.63 un³.

7 0
2 years ago
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