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2 years ago

Y=x+5 and y=3x-3 I need to get this in a ordered pair

Mathematics

1 answer:

koban [17]2 years ago

4 0

9514 1404 393

Answer:

(x, y) = (4, 9)

Step-by-step explanation:

Perhaps the ordered pair you want is the one that satisfies both equations.

We can find that by equating the expressions for y:

x +5 = 3x -3

8 = 2x . . . . . . . . add 3-x to both sides

4 = x . . . . . . . . . divide by 2

y = 4+5 = 9

The ordered pair is (x, y) = (4, 9).

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Pamela took a total of 27 quizzes over the course of 9 weeks. After attending 10 weeks of school this quarter, how many quizzes

shepuryov [24]

Answer:

Step-by-step explanation:

27 diviend by 9 = 3 so 27 +3 = 30.

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2 years ago

A 16 foot ladder rests against the side of a house and the base of the ladder is 4 feet away. How high above the ground is the t

PtichkaEL [24]

Answer:

15.5 ft

Step-by-step explanation:

The geometry of the problem can be modeled by a right triangle with hypotenuse 16 ft and one side length of 4 ft. If x represents the height of the ladder on the building, then the Pythagorean theorem tells us ...

x^2 + (4 ft)^2 = (16 ft)^2

x^2 = 240 ft^2 . . . . . . subtract 16 ft^2

x ≈ 15.5 ft . . . . . . . . . . take the square root

The top of the ladder is about 15.5 ft above the ground.

8 0

2 years ago

Please help!! thank you.

Zina [86]

(A) Product of $-2x^{3}+x-5$ and $x^{3}-3x-4$ is:

$(-2x^{3}+x-5)(x^{3}-3x-4)$

$=-2x^{3}(x^{3}-3x-4)+x(x^{3}-3x-4)-5(x^{3}-3x-4)$

$=(-2x^{3})(x^{3})+(-2x^{3})(-3x)+(-2x^{3})(-4)+x(x^{3})+(x)(-3x)+(x)(-4)+(-5)(x^{3})+(-5)(-3x)+(-5)(-4)$

$=-2x^{6}+6x^{4}+8x^{3}+x^{4}-3x^{2}-4x-5x^{3}+15x+20$

$=-2x^{6}+6x^{4}+x^{4}+ 8x^{3}-5x^{3}-3x^{2}-4x+15x+20$

$=-2x^{6}+7x^{4}+3x^{3}-3x^{2}+11x+20$

(B) Yes.

Product of $-2x^{3}+x-5$ and $x^{3}-3x-4$ = Product of $x^{3}-3x-4$ and $-2x^{3}+x-5$ because multiplication is commutative.

Commutative Property of multiplication says that a.b = b.a.

Thus, multiplication is same irrespective of the order of two numbers.

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3 years ago

Ji-yoon's bill at the restaurant was $45.10. She left a tip of 18%.

Aleks [24]

Answer is $8.118.....

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2 years ago

Find the volume of a cylinder with a height of 16ft and diameter of 7 feet. Write answer in pie

finlep [7]

Answer:

Step-by-step explanation:

volume of cylinder=V=πr^2h

given diameter=7 feet

radius=7/2 ft

height=16ft

v=π×7/2×7/2×16

=12.25×16×π

=196π

hope this helps

plzz mark me brainliest

5 0

2 years ago