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3 years ago

Which expression is a trinomial of degree 1?6 + x – y3x – y

Mathematics

2 answers:

beks73 [17]3 years ago

5 0

A. 6 + x – y is the correct answer
Hope this helps. Please make me brainliest

VikaD [51]3 years ago

3 0

The correct answer is 6+x-y.

This is because the other answer choice is a binomial and not a trinomial (which contains three terms). A term is always separated by - or + signs.

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A purchaser paid $1,539.13 for a computer system that originally cost $1,215.91. If the markup was 21% of the $1,539.13 selling

liubo4ka [24]

Answer:

$1272.008264

Step-by-step explanation:

If the mark-up was 21%, then the final price is 121% of the original price. Simply divide $1,539.13 by 1.21 to get the original price of $1272.008264

7 0

3 years ago

Witch expression represents a number 5 times the difference of 6 and 2

nikklg [1K]

Answer:

i think it is 20

Step-by-step explanation:

6-2=4

4×5=20

6 0

3 years ago

Write the inequality shown by the graph

Lostsunrise [7]

Answer:

Step-by-step explanation:

equation of the line graphed

(y-4)/(2-4) = (x+6)/(0+6)

(y-4)/(-2) = (x+6)/6

y-4 = (x+6)/-3

y = (x+6)/-3 +4

y = (x+6-12)/-3

y = -1/3x + 2

so the answer is A

4 0

3 years ago

A cylinder with a radius of 1 cm and a height of 21 cm has the same volume as a cone with a height of 7 cm. What is the radius o

Maru [420]

Volume of the cylinder = πr²h = π(1)² (21) = 21π cm³

Volume of the cone = 1/3 π r² h

21π = 1/3 π (r)² (7)

r³ = 21π ÷ (7/3 π)

r² = 9

r = 3

Answer : Radius = 3

3 0

3 years ago

Given in the figure below, find the values of X and Z.

sweet-ann [11.9K]

Answer:

$\boxed{x=9}\\\boxed{z=76}$

Step-by-step explanation:

Hello There!

Geometry

The angles shown represented by the expressions (11x + 5) and (5x+59) are vertical angles

Vertical angles are congruent so we can use this equation to solve for x

Basic Algebra

11x + 5 = 5x + 59

step 1 subtract 5x from each side

5x - 5x cancels out

11x - 5x = 6x

now we have 6x + 5 = 59

step 2 subtract each side by 5

5 - 5 cancels out

59 - 5 = 54

now we have 54 = 6x

step 3 divide each side by 6

6x/6=x

54/6=9

we're left with x = 9

now we want to plug in 9 into x for one of the expression

11(9) + 5

11 * 9 = 99

99 + 5 = 104

so we can conclude that the measure of the angle labeled ( 11x + 5 ) is 104 degrees

Now we need to find z

Geometry

The angle with a measure of 104 and angle Z are supplementary angles meaning that the sum of the two is 180

So to find z we subtract the known angle (104) from 180

180 - 104 = 76

so we can conclude that z = 76

5 0

2 years ago