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3 years ago

9

3) Write the inequality that

1 answer:

masha68 [24]3 years ago

3 0

Answer:

See below

Step-by-step explanation:

Owing represent a negative balance.

<u>So the inequality for this case is:</u>

- 26.00 > - 147.00

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It have 72 chicken and 4ó3 dogs how many are they in altogether

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72 chicken and 4ó3 dogs come to 535 animals altogether.

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4 years ago

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Ray does chores every day for a small allowance.he earns 1.50 a day for washing the dishes and x dollar a day taking out trash

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Step-by-step explanation:

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3 years ago

The equation below represents Function A and the graph represents Function B:

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Slope of Function B = 2 x Slope of Function A.

Step-by-step explanation:

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A person on tour has dollar 360 for his daily expenses. If he extends his tour for 4 days, he has to cut down his daily expenses

mash [69]

Answer:

The original duration of the tour = 20 days

Step-by-step explanation:

Solution:

Total expenses for the tour = $360

Let the original tour duration be for $x$ days.

So, for $x$ days the total expense = $360

<em>Thus the daily expense in dollars can be given by</em> = $\frac{360}{x}$

Tour extension and effect on daily expenses.

The tour is extended by 4 days.

<em>Tour duration now</em> = $(x+4)$ days

On extension, his daily expense is cut by $3

<em>New daily expense in dollars </em>= $(\frac{360}{x}-3)$

Total expense in dollars can now be given as: $(x+4)(\frac{360}{x}-3)$

Simplifying by using distribution (FOIL).

$(x.\frac{360}{x})+(x(-3)+(4.\frac{360}{x})+(4(-3))$

$360-3x+\frac{1440}{x}-12$

$348-3x+\frac{1440}{x}$

We know total expense remains the same which is = $360.

So, we have the equation as:

$348-3x+\frac{1440}{x}=360$

Multiplying each term with $x$ to remove fractions.

$348x-3x^2+1440=360x$

Subtracting $348x$ both sides

$348x-348x-3x^2+1440=360x-348x$

$-3x^2+1440=12x$

Dividing each term with -3.

$\frac{-3x^2}{-3}+\frac{1440}{-3}=\frac{12x}{-3}$

$x^2-480=-4x$

Adding $4x$ both sides.

$x^2+4x-480=-4x+4x$

$x^2+4x-480=0$

Solving using quadratic formula.

For a quadratic equation: $ax^2+bx+c=0$

$x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

Plugging in values from the equation we got.

$x=\frac{-4\pm\sqrt{(4)^2-4(1)(-480)}}{2(1)}$

$x=\frac{-4\pm\sqrt{16+1920}}{2}$

$x=\frac{-4\pm\sqrt{1936}}{2}$

$x=\frac{-4\pm44}{2}$

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$x=\frac{40}{2}$ and $x=\frac{-48}{2}$

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Since number of days cannot be negative, so we take $x=20$ as the solution for the equation.

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3 years ago

Solve the equation for y.<br> 3x + jy= 7

ozzi

Answer:

$y=\frac{7-3x}{j}$

Step-by-step explanation:

First, subtract 3x. This leaves you with jy=7-3x. Then, divide by j, leaving you with $y=\frac{7-3x}{j}$ .

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3 years ago