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3 years ago

What are the coefficients in the expression 5x3 + 14x2 - 2x + 6?

Mathematics

2 answers:

Lostsunrise [7]3 years ago

6 0

Answer: 5,14 and -2

Step-by-step explanation:

The coefficient is the number next to the variable.

So this case the coefficients are 5,14 and -2

azamat3 years ago

6 0

Answer:

Step-by-step explanation:

15+28-2x+6

49-2x=

x=-49/2

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What is the measure of KPN? A. 35° B. 50° C. 60° D.65° E. 70°

luda_lava [24]

Answer:

Option (B)

Step-by-step explanation:

From the picture attached,

NL and KM are the two lines intersecting at a point P.

Therefore, ∠KPN ≅ LPM [Vertical angles]

In ΔPLM,

m∠LPM + m∠PML + m∠PLM = 180° [Property of a triangle]

m∠LPM + 70° + 60° = 180°

m∠LPM + 130° = 180°

m∠LPM = 180° - 130°

m∠LPM = 50°

Therefore, m∠KPN = 50° [vertical angles]

Option (B) will be the correct option.

3 0

3 years ago

If angle ABC equals 130, what would the vertical angle equal to?

Mariulka [41]

Answer:

400

Step-by-step explanation:

400

7 0

3 years ago

Solve the system of linear equations by substitution.

SVEN [57.7K]

Answer:

Answer:

x= 29/11 or y= 25/11

Step-by-step explanation:

2x - y= 3 ...........equation 1

x + 5y= 14 ............equation 2

Make x the subject of the formula in equation 2

x= 14 - 5y ..............equation 3

Substitute x=14 - 5y in equation 1

2(14- 5y) - y=3

28 - 10y - y=3

Collect like terms

-10y - y=3 - 28

-11y= -25

divide both sides by coefficient of y

-11y/-11 = -25/-11

y= 25/11

Substitute y= 25/11 in equation 3

x=14 - 5(25/11)

x= 14 - 125/11

x= 29/11

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

30. Write an equation in point-slope form for the line through the given point with the given slope. (-7,9); m=4/5

tamaranim1 [39]

Equation in point-slope form is $y-9=4/5(x+7)$

Option C is correct.

Step-by-step explanation:

We need to Write an equation in point-slope form for the line through the given point with the given slope. (-7,9); m=4/5

The formula used for point-slope form is:

$y-y_1=m(x-x_1)$

We are given slope m = 4/5

Point (-7,9) where x₁ = -7 and y₁ = 9

Putting values in the formula:

$y-y_1=m(x-x_1)\\y-9=4/5(x-(-7))\\y-9=4/5(x+7)$

So, equation in point-slope form is $y-9=4/5(x+7)$

Option C is correct.

Keywords: Equation of line using Slope

Learn more about Equation of line using Slope at:

#learnwithBrainly

3 0

4 years ago

Write 0.007342 in scientific notation

Blababa [14]

7.342*10^-3

is the scientific notation for 0.007342

3 0

3 years ago

Read 2 more answers