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spin [16.1K]
3 years ago
8

Diane works mowing lawns and babysitting. she earns $8.50 an hour for mowing and $7.10 an hour for babysitting. how much will sh

e earn for 5 hours of mowing and 7 hours of babysitting?

Mathematics
1 answer:
svet-max [94.6K]3 years ago
3 0
Hope you understand my workings above.

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to set up a model linear equation to fit real world applications, what should always be the first step?​
Brilliant_brown [7]

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to setup the model linear equation to fit a real world application we must first determine the non quantities and the find the unknown quality as a variable can be begin to interview to the voice as mathematical expressions using mathematical symbols

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R(r1+r2)=r1r2 solve for R
romanna [79]
We need to solve for R, This is really simple.

The original expression is:
R (r1 + r2) = r1r2

To solve for a certain variable, we need to get this variable alone on one side of the equation and equate it with the other side.

In the given expression, to get R alone on one side we have to eliminate (r1 + r2).
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4 0
2 years ago
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What is the future value of $1,600 in 17 years assuming an interest rate of 10 percent compounded semiannually?
Naddika [18.5K]
Let
F--------------------> future value
P--------------------> present value 
r --------------------> interest rate per year
m ------------------ > number of compounding periods per year
t -------------------->  time in years. 
we know that
P=$1,600
<span>t=17 years
m=2
r=10%------> 0.10

F=P(1+i)</span><span>^n
</span><span>where
i=r/m   ---------> 0.10/2=0.05
and
n=m*t------------> 2*17=34

</span>F=1600*(1+0.05)^34=8405.36
<span>
the answer is $</span>8405.36<span>

</span>
5 0
2 years ago
What is 1459 * 569/7+997​
Daniel [21]

Answer:

837150 /7

Step-by-step explanation:

459( 569 /7 )+997

=

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837150 /7

3 0
2 years ago
Multiply -90/11 by -55/72 with explanation...
vladimir2022 [97]

Answer:

25/4

Step-by-step explanation:

Multiplying numerators gives 4950 and multiplying denominators gives 792. 4950/792. simplify to get simplest form as 25/4

4 0
3 years ago
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