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Nutka1998 [239]
3 years ago
5

Please Help me. . . . . .

Mathematics
2 answers:
ololo11 [35]3 years ago
8 0

Answer:

D

Step-by-step explanation:

f(x)-g(x)=x²+2x-5+3x²+4x-1  combine like terms

4x²+6x-6

avanturin [10]3 years ago
6 0

Answer:

D

Step-by-step explanation:

x^2+2x-5-(-3x^2-4x+1)

x^2+2x-5+3x^2+4x-1

4x^2+6x-6

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Find the scale factor of the small triangle to the large triangle.
Korvikt [17]

Answer:

scale factor is: 2.25

Step-by-step explanation:

3 0
3 years ago
Find the total surface area of this object.
Bumek [7]

Answer:

548

Step-by-step explanation:

area for the two triangles are 68

and for the two bigger rectangles is 320

and for the small rectangle 180

then add it all up and get 548

5 0
3 years ago
Which expression is equivalent to −10x−10+2x+9?
DENIUS [597]

Answer:

-8x - 1

General Formulas and Concepts:

<u>Algebra I</u>

  • Terms/Coefficients

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

-10x - 10 + 2x + 9

<u>Step 2: Simplify</u>

  1. Combine like terms (x):                                                                                        -8x - 10 + 9
  2. Combine like term:                                                                                              -8x - 1
4 0
3 years ago
Read 2 more answers
Marc is building a rectangular wooden frame for his canvas. If the canvas is 7 feet long by 5 feet wide, what is the perimeter o
Assoli18 [71]

Answer:

24 feet

Step-by-step explanation:

Use the perimeter formula, P = 2l + 2w, where l is the length and w is the width.

Plug in the values, and solve:

P = 2l + 2w

P = 2(7) + 2(5)

P = 14 + 10

P = 24

So, the perimeter of the canvas is 24 feet

8 0
3 years ago
Please help with this pls.
allochka39001 [22]

Answer:

x = 9

(5x9) - 1° = 45 - 1 or 44°

Step-by-step explanation:

the little square indicates the angle is a right angle, measuring 90°

therefore, you can solve for 'x' by creating this equation:

46 + 5x-1 = 90

45 + 5x = 90

5x = 45

x = 9

5 0
2 years ago
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