2 years ago

Little Johnny earns 15% Commission on the car he sold. If the car was $4,700,

Mathematics

1 answer:

sergij07 [2.7K]2 years ago

8 0

Answer:

Pretty sure it is 5,405

Step-by-step explanation:

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What are the x-coordinates of the solutions to this system of equations? x2 + y2 = 100 y = x + 2

kiruha [24]

Answer:

x = - 8, x = 6

Step-by-step explanation:

Given the 2 equations

x² + y² = 100 → (1)

y = x + 2 → (2)

Substitute y = x + 2 into (1)

x² + (x + 2)² = 100

x² + x² + 4x + 4 = 100

2x² + 4x + 4 = 100 ( subtract 100 from both sides )

2x² + 4x - 96 = 0 ( divide through by 2 )

x² + 2x - 48 = 0 ← in standard form

(x + 8)(x - 6) = 0 ← in factored form

Equate each factor to zero and solve for x

x + 8 = 0 ⇒ x = - 8

x - 6 = 0 ⇒ x = 6

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2 years ago

u(x) = x5 – x4 + x2 and v(x) = –x2, which expression is equivalent to (StartFraction u Over v EndFraction) (x)?

EastWind [94]

Answer:

Step-by-step explanation:

Bello,

$\dfrac{u(x)}{v(x)}=\dfrac{x^5-x^4+x^2}{-x^2}=-x^3+x^2+1$

thanks

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2 years ago

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Volume of a box is 125 in.³ how tall is the box ?

lora16 [44]

Answer:

i dont know much detail about this question but it could be 1. simplest answer

Step-by-step explanation:

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2 years ago

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62 1/2 % as a decimal <br>OR<br>125/2 as a decimal

Vaselesa [24]

62.5 is your answer in decimal

3 0

2 years ago

Cade and Tyce both tried to find the missing side of the right triangle. A right triangle is shown. The legs are labeled 6 and 9

Talja [164]

Step-by-step explanation:

Two legs of the right triangle are 6 and 9. We can find its third side as follows :

$a^2+b^2=c^2$

The above is called Pythagoras theorem and it is applicable for a right angled triangle.

a,b and c are base, perpendicular and hypotenuse respectively

c is the third side

So,

$c^2=6^2+9^2\\\\c=\sqrt{117} \\\\c=10.816\approx 10.82$

Hence, Cade and Tyce both are correct. The length of the missing side is 10.82

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2 years ago

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