3 years ago

Which of the following equations is non-linear?

1 answer:

7 0

D--because it has y^2 in the equation and to isolate y you have to take the square root, the graph is going to be curved rather than linear.

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If 24 men complete a work in 10 days , then 12 men can complete the same work in

DerKrebs [107]

The answer would be 20 days all you have to do is multiply 10 by 2

4 0

2 years ago

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There are a total of 115 first graders, 225 second graders, and 140 third graders, who are going on a field trip. If a bus holds

alina1380 [7]

Total number of students: 115 + 225 + 140 = 480 Number of buses needed: 480 ÷ 80 = b
b = 6

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3 years ago

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Given ABC find the values of x and y. In your final answer, include all of your calculations.

kow [346]

So with this, we will be using proportions. To solve for x, our proportion will be $\frac{x}{6} =\frac{6}{x-9}$

Firstly, cross-multiply: $x^2-9x=36$

Next, subtract 36 on both sides: $x^2-9x-36=0$

Next, replace -9x with 3x-12x $x^2+3x-12x-36=0$

Next, factor x^2+3x and -12x-36 separately: $x(x+3)-12(x+3)=0$ . After, rewrite it as $(x-12)(x+3)=0$

Next, solve for x separately in the two parentheses:

$x-12=0\\ x=12$

$x+3=0\\ x=-3$

Since we can't have a negative length, x = 12.

To solve for y, our proportion will be $\frac{y}{9} =\frac{12}{y}$

Firstly, cross-multiply: $y^2=108$

Next, just square root each side, and your answer will be (rounded to hundredths) $y=10.39$

In short, x = 12 and y = 10.39.

5 0

3 years ago

Find the volume of each figure. 10 in 12 in 6.9 in

cluponka [151]

Answer:

828 in^3

Step-by-step explanation:

10*12*6.9 = 69*12 = 828 in^3

4 0

3 years ago

Pls help pls ill give u a braniest if you help me

alexandr1967 [171]

Answer:

Step-by-step explanation:

y = (x + 1)/x

xy = x + 1

xy - x = 1

x(y - 1) = 1

x = 1/(y - 1)

Interswitch variables

f^-1(x) = 1/(x - 1)

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3 years ago