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Mariana [72]
3 years ago
15

Tom starts lawn mowing business before he can begin he purchases a new lawnmower each weekend he mows the same number of lawns a

nd earns the same amount of money write and equation to show how much money he's earned any week
Mathematics
1 answer:
Anastasy [175]3 years ago
7 0
To be able to give the answer to this item, we are to represent first with any variables the amount he earns each weekend for mowing the same field. Also, we represent the number of weeks he had worked by the variable y. The total amount of money he will have after working for y weeks is,
 
                           T = xy

Since, we are not given with any other information of the other expenses that have to be paid  then we can say that if T is already equal to the price of the new lawnmower then, Tom will be able to purchase it and begin his lawn mowing business in due time. 
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There are two fruit trees located at (3,0) and (–3, 0) in the backyard plan. Maurice wants to use these two fruit trees as the f
Mama L [17]
Maurice wants to create a set of elliptical flower beds. To do this, he first plots the location of the two fruit trees on his graph.

Maurice has to use the equation a^2-b^2=c^2. We know that c=3, and because we need 1 more number to solve for b, I made a=6. 6^2-b^2=3^2. 36-b^2=9. b^2=27. b=5.196

<span>Next, to create the equation, we substitute what we know into the equation x^2/a^2 + y^2/b^2=1 and get x^2/36 + y^2/27=1. Johanna wants to create some hyperbolic flower beds.

We already know that c=3 so this time I decided a=1. 3^2=1^2+b^2. 9=1+b^2. 8=b^2. b=2.828
 
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3 0
3 years ago
A complex number, (a + bi), multiplied by (2 + 3i) and added to -i gives the product of (-11 + 5i) and (1 – i).
Novosadov [1.4K]
(a+bi)(2+3i)-i=(-11+5i)(1-i)
2a+3ai+2bi+3bi²-i=-11+11i+5i-5i²
2a+(3a+2b-1)i-3b=-11+16i+5
(2a-3b)+(3a+2b-1)i=-6+16i
Therefore; we have the next system of equations:
2a-3b=-6
3a+2b-1=16

Finally, the system of equations is:
2a-3b=-6
3a+2b=17
We can solve this system of equations by reduction method
 2(2a-3b=-6) 
 3(3a+2b=17)
----------------------
   13a=39  ⇒a=39/13=3

 3(2a-3b=-6)
-2(3a+2b=17)
----------------------
       -13b=-52   ⇒ b=52/13=4

Answer: a=3;    b=4

8 0
3 years ago
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dolphi86 [110]

Answer:

m

parallel

=

−

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Step-by-step explanation:

4 0
3 years ago
Which of the following is a representation of 12!
Softa [21]

Answer:

12

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6 0
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(8y-1)-4[(7y+5)-3(2y-9)
alexdok [17]
8y-1-28y-20-6y+27
8y-28y-6y-1-20+27
-26y+6
8 0
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