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dedylja [7]
3 years ago
12

Simplify the following expression: 2x − 2y + 5z − 2x − y + 3z

Mathematics
2 answers:
marusya05 [52]3 years ago
8 0

Answer:

-3y+8z

Step-by-step explanation:

julia-pushkina [17]3 years ago
4 0

Answer:2x - 2y + 8z

Step-by-step explanation:

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PLEASE HELP ASAP WILL GIVE BRAINLIEST! :) <br><br><br>sorry for the quality.​
ss7ja [257]

Answer:

y=3x—1

Step-by-step explanation:

The line contains point (2,5)

so if we put x=2 in the equation, that'll give us y=5

only option that contains point (2,5) is:

y = 3x  - 1 \\ (5) = 3(2) - 1 \\ 5 = 5 \: true

3 0
3 years ago
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Li’s brother used the work shown to determine that he must grow at most 6 inches to be able to ride the roller coaster. Is this
miv72 [106K]
No, the work is correct, but the interpretation is not. “6 is less than or equal to h<span>” means that h is greater than or equal to 6. He must grow at least 6 inches, not at most 6 inches.</span>
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4 years ago
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Photo is above. Show work thank you. Questions at bottom.
Lynna [10]

Answer:

surface are: 300 cm2

volume: 450cm3

Step-by-step explanation:

Hi, to answer this question we have to apply the next formulas:

Surface area of a box = 2wl + 2hw + 2 lh

Where w is the width of the box, l is the length of the box, and h is the height of the box.

The top sides and bottom have only length and width, since there is no top side, the surface area is equal to the outer 5 surfaces.

S = wl + 2hw + 2 lh

Replacing with the values given:

S = (15x10)+ 2(3x10)+ 2(15x3)

S = 150+60+90=300 cm2

For the volume we simply apply:

Volume of a rectangular prism: length x width x height

V = 15x10x3 = 450cm3

Feel free to ask for more if needed or if you did not understand something.  

5 0
3 years ago
Dave arrives to a meeting 5 minutes early, and he leaves as soon as the meeting ends, 75 minutes after he got there.
vladimir1956 [14]

Answer:

The meeting was 70 minutes long

Step-by-step explanation:

x+5=75

subtract 5 from both sides

x=70

4 0
1 year ago
What is the end behavior of the graph shown below
jasenka [17]

Answer:

  D

Step-by-step explanation:

The end behavior is found by following the arrows on the graph. Here, the right end of the curve tends to infinity in both x- and y-directions.

The left end of the curve tends to negative infinity as the value of x approaches 0 from above.

These observations are summarized in the attachment.

3 0
3 years ago
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