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viva [34]
2 years ago
12

Perimeter of a triangle (combine like terms)

Mathematics
2 answers:
Jobisdone [24]2 years ago
8 0
Answer:6x+3, very simple if you think about it
patriot [66]2 years ago
5 0

Answer:

6x+3

Step-by-step explanation:

(x+4)+(3x-2)+(2x+1)

=x+4+3x-2+2x+1

=x+4+3x-2+2x+1 --> Here I'm just bolding the variables. This makes it easier to combine like terms in the next line.

=6x+4-2+1

=6x+3

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Mr. Standford’s greenhouse has the dimensions shown. The volume of the greenhouse is 90 cubic yards. Find the missing dimension
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3 0
4 years ago
The perimeter is 40. How much bigger is the longest side than the shortest side?
sesenic [268]

Answer:

10

Step-by-step explanation:

40=2a<u>-3</u>+2a+3a<u>+1</u>

add like terms

  • 40=7a-2

get 'a' by its self

  • 40(+2)=7a<u>-2(+2)</u> [2 cancels out]
  • 42(÷7)=7a(÷7) [7 cancels out]
  • a=6

plug in the answer for Equations

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  • smallest: 2(6)-3= 12-3=9

subtract smallest from biggest

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3 0
4 years ago
Consider WXY and BCD with X= C, WX = BC, and WY = BD. Can it be concluded that WXY = BCD by SAS?
rosijanka [135]

Answer:

nswer:- B. No, because the corresponding congruent angles listed are not the included angles. Given:- ΔWXY and ΔBCD with ∠X ≅∠C, WX ≅ BC, and WY ≅ BD. We can see that ∠X and ∠C are not included angles by the corresponding equal sides.

6 0
3 years ago
Read 2 more answers
Please help b/c i don’t get this.
Montano1993 [528]

Answer:

A. false

B. false

C. true

D. true

E. false

Step-by-step explanation:

7 0
3 years ago
Please help bro im stuck on this for hours, ill give u so much points
castortr0y [4]
Answer:
-2
Explanation:
f = -19.8
17.8 + -19.8 (f) = -2
7 0
2 years ago
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