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mafiozo [28]
3 years ago
6

Can anybody please help me with this question please

Mathematics
2 answers:
leonid [27]3 years ago
7 0

Step-by-step explanation:

The Missing side using Pythagorean theorem

=√(19)²+(38)²

=√361+1444

=√1805=19√5

=42.485≈42.49( to the nearest hundredth)

Missing angle

=let the angle be x

tan(x)=19/38

x=tan^-1(½)=26.565

x=26.57(to the nearest hundredth)

valentinak56 [21]3 years ago
4 0
Well it has a right angle thing which is 90 so do 90+38+19=147
180-147=33
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Today only , a table is being sold at 34% discount. The sale price is $495. What was the price yesterday?
tekilochka [14]
In the given problem, it is given that the table is sold at a discount of only one day and that is today. so the table would be have been sold at its original price yesterday. The discount given today is 34% and the sale price for today is $495.
Let us assume the price of the table yesterday = x
Then we can write the equation as
x = 295 * (100/34)
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4 years ago
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shutvik [7]

Answer:

x = -4

Step-by-step explanation:

-5x-4x-2 = -8x+2 is the only one with a solution.

-5x-4x-2 = -8x+2

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nignag [31]

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Step-by-step explanation:

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3 years ago
1. Solve the system by substitution.
zubka84 [21]

Answer:

The required solution is (0.128,13.82)

Step-by-step explanation:

Consider the provided system of equation.

-2.5x+y=13.5......(1)

12.25x - y=-12.25......(2)

We need to solve the system of equation by substitution method.

Consider the equation 1.

-2.5x+y=13.5

y=13.5+2.5x ......(3)

Substitute the value of y in equation 2.

12.25x - (13.5+2.5x)=-12.25

12.25x-13.5-2.5x=-12.25

9.75x-13.5=-12.25

9.75x=-12.25+13.5

9.75x=1.25

x\approx 0.128

Now substitute the value of x in equation 3.

y=13.5+2.5(0.128)

y\approx 13.82

Hence, the required solution is (0.128, 13.82)

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