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Mkey [24]
3 years ago
9

Simplify. (5x2+2x−5)−(3x2+3x+1)

Mathematics
2 answers:
vovikov84 [41]3 years ago
5 0

Answer:

2x^2 - x - 6

Step-by-step explanation:

5x^2 - 3x^2 = 2x^2

2x - 3x = -x

-5 - 1 = -6

( ^ for exponents)

guapka [62]3 years ago
4 0

Answer:

x² - x - 6

Step-by-step explanation:

Step 1: Write expression

(5x² + 2x - 5) - (3x² + 3x + 1)

Step 2: Distribute negative

5x² + 2x - 5 - 3x² - 3x - 1

Step 3: Combine like terms (x²)

2x² + 2x - 5 - 3x - 1

Step 4: Combine like terms (x)

x² - x - 5 - 1

Step 5: Combine like terms (constants)

x² - x - 6

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svetoff [14.1K]

Answer:

5+9+10+10+5+2+5+2

Step-by-step explanation:

48÷8=6

6 is median of given data

5 0
2 years ago
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PLEASE HELP 4 QUESTIONS 90 POINTS
kondor19780726 [428]

1.  n^2 -8n +16 = 25

Subtract 25 from both sides

n^2 - 8n + 16 - 25 = 0

Simplify

n^2 - 8n - 9 =0

Factor

(n-9)(n+1) = 0

Solve for n

n-9 = 0, n = 9

n+1 = 0, n = -1

Solution: 9,-1


2. C = b^2/25

Multiply both sides by 25:

25c = b^2

Take square root of both sides

b = +/-√25c

Simplify:

b = 5√C, -5√C


3. d = 16t^2 +12t

subtract d from both side:

16t^2 + 12t -d =0

Use quadratic formula to solve:

t = (3 +/-√(9-4d))/8


4. 5w^2 +10w =40

Subtract 40 from both side:

5w^2 + 10w -40 = 0

Factor:

5(w-2)(w+4)=0

Divide both sides by 5:

(w-2)(w+4)=0

Solve for w:

w-2 = 0, w = 2

w+4=0, w = -4

Solution: 2,-4



4 0
3 years ago
Read 2 more answers
Helppppppp please:( and thank you
Shtirlitz [24]

Answer:

180-140=50 180-90-50= 40 m=40

3 0
2 years ago
Line segment SU is a diameter of circle v
lyudmila [28]

Answer:


Step-by-step explanation:

Based on the figure given:Angle S is equal to 34 degrees.The triangle is inscribed in a circle, we can assume that the triangle is a right triangle. Thus, the measure of angle U is180 - 90 - 34 = 56 degrees. This is equivalent to the measure of the arc opposite the angle. Therefore, the measure of arc ST is also 56 degrees.



7 0
3 years ago
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Y = 4x - 3<br> (Solving for slope)
olasank [31]

Answer:

Slope = 4

Step-by-step explanation:

This is an equation of a line in the format y = mx + b

Lets match the two equations vertically to see which term is which

y = mx + b

y = 4x - 3

m is the slope, and it matches with the term "4"

That means that 4 is the slope

Parts of y = mx + b

  • y : output
  • m : slope
  • x : input
  • b : y - intercept

-Chetan K

5 0
2 years ago
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