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4 years ago

A summer carnival charges a $2 admission fee and $0.50 for each ride. If Tamara has $10 to spend, how many rides can she go on?

2 answers:

7 0

Well First of all let's set up an equation for this problem.
It starts off by charging $2 which is our y intercept
and for every ride it's .50 cents so that would be our slope.
This problem can be put into
y=mx+b
or as called slope intercept form
mx= .50 because is the rate of change and b=2 because it's what we start y=10 because it's what Tamara budget is
so the equation would be
10=.50x+2
all we have to do now is solve for x
x would be 16
So Tamara can go on 16 rides with $10

Naily [24]4 years ago

3 0

10-2=8
8×2=16
She can go on 16 rides

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3 years ago

Smallville High School scored more than 30 points in their last football game entirely from safeties and field goals. (In

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Inequalities help us to compare two unequal expressions. The inequality for this scenario in standard form is 2x + 3y > 30.

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Inequalities help us to compare two unequal expressions. Also, it helps us to compare the non-equal expressions so that an equation can be formed.

It is mostly denoted by the symbol <, >, ≤, and ≥.

Let the safety counts be represented by x, while the field goal count is represented by y.

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Part B: The inequality in slope-intercept form.

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2 years ago

Suppose a railroad rail is 4 kilometers and it expands on a hot day by 12 centimeters in length. Approximately how many meters w

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15.49 metres

Step-by-step explanation:

Given in the question that,

the railroad rail is 4 km before expansion.

To find,

the meters the centre of the rail rise above the ground on hot day.

When the railroad expands, it would approximate the forming of an isosceles triangle at the centre of the rail,

with base 4km

and

each isosceles side leg of the triangle is given by

(4 + 12x10^-5) / 2 = 4.00012 / 2 = 2.00006 kilometers

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Taking one half of the isosceles triangle, we have a right triangle with base

base = 4 / 2 = 2 km

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By using the Pythagoras theorem, find the height of the right triangle as formed above.

hypo² = base² + height²

2.00006² - 2² = height²

height = √(2.00006² - 2²)

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= 0.01549 x 10^3 m

= 15.49m

Thus, the centre of the rail will rise 15.49 metres above the ground.

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4 years ago