What is 7-(a-b)-4+(3a-2b)
2 answers:
Answer:
Step-by-step explanation:
Distributive property:
↓
A(B+C)=AB+AC
<em>Remove parenthesis first.</em>
<em>7-(a-b)-4+3a-2b</em>
<em>(-a-b)=-a+b</em>
<em>7-a+b-4+3a-2b</em>
<em>Simplify, to find the answer.</em>
<em>7-a+b-4+3a-2b</em>
<em>Group like terms: </em>
<em> ↓</em>
<em>-a+3a+b-2b+7-4</em>
<em>Add numbers from left to right.</em>
<em>-a+3a=2a</em>
<em>2a+b-2b+7-4</em>
<em>b-2b=-b</em>
<em>2a-b+7-4</em>
<em>Adding and subtracting numbers from left to right.</em>
<em>7-4=3</em>
<em>2a+3-b</em>
<em>, which is our answer.</em>
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Answer:
$511.5
Step-by-step explanation:
Given: Selling price of bike at Danny´s shop is $550
Bike is sold 7% less at competitor´s shop.
Lets find the discounted amount at Danny´s competitor shop.
∴
Now, finding the cost of bike at Danny´s competitor.
Cost of bike at Danny´competitor=
Cost of bike at Danny´s competitor=
∴ Cost of bike at Danny´s competitor is $511.5.
Answer:
<em>x = 437.3 ft</em>
Step-by-step explanation:
<u>Right Triangles</u>
In right triangles, where one of its internal angles measures 90°, the trigonometric ratios are satisfied.
We have completed the figure below with the missing internal angle A that measures A = 90° - 29° = 61° because the lines marked with an arrow are parallel.
Given the internal angle A, we can relate the unknown side of length x with the known side length of 500 ft, the hypotenuse of the triangle. We use the sine ratio:
Solving for x:
Calculating:
x = 437.3 ft
