Answer:
A) (17 ; 550)
B) $17/item
C) 550
Step-by-step explanation:
First we must calculate the intersection point of the two lines. Since in that point <em>y</em> has the same value in both equations, we can obtain <em>x </em>by equalling the two equations and then using that value for obtaining <em>y</em>:
So the value of <em>x</em> in the intersection point is 17. We now use this value with either one of the equations to obtain <em>y</em><em>. </em>Let's use the supply equation:
So the intersection point is (17 ; 550)
Supply and demand are in equilibrium when the amount of items on supply are the same as the ones on demand. That is the point were the two lines intersect, which means the selling price is the <em>x</em> coordinate and the amount of items is the <em>y</em> coordinate, so that is a selling price of <em>$17/item</em> with a number of items of <em>550</em>.
If you recall soh-cah-toa, tangent is equal to the opposite length divided by the adjacent length so it is true.
If there is 15% off and the sales tax rate is 8.25%. Then the price of the car will be $ 8,189.11.
<h3>What is the percentage?</h3>
The amount of something is expressed as if it is a part of the total which is a hundred. The ratio can be expressed as a fraction of 100. The word percent means per 100. It is represented by the symbol ‘%’.
A car originally priced at $8,900 is on sale at 15% off. If the sales tax rate is 8.25%.
The cost after 15% off will be
→ 0.85 × $8,900
→ $ 7,565
Then the final cost after the sale tax of 8.25% will be
Cost = $ 7,565 × 1.0825
Cost = $ 8,189.11
More about the percentage link is given below.
brainly.com/question/8011401
#SPJ1
Y=1/2x-3 or whatever the y intercept is idk
<h3>
Answer: 113.04 cubic feet</h3>
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Work Shown:
The formula to use to find the volume of a sphere is
V = (4/3)*pi*r^3
In this case, r = 3 is the radius. We'll use the approximation pi = 3.14
This means,
V = (4/3)*pi*r^3
V = (4/3)*3.14*3^3 .... plug in r = 3; pi = 3.14
V = 113.04 ..................use your calculator
The units are in cubic feet. Think of a 1 ft by 1 ft by 1 ft cube block. A sphere can be sub-divided into smaller cubes to get an approximation.
