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victus00 [196]
3 years ago
6

A taxi driver had 44 fares to and from the airport last Monday. The price for a ride to the airport is $7, and the price for a r

ide from the airport is $6. The driver collected a total of $289 for the day. Let x represent the number of trips to the airport and y represent the number of trips from the airport. Write the ordered pair (x,y) that represents the solution in this situation.
Mathematics
1 answer:
Marina86 [1]3 years ago
8 0

Answer:

x=19 y=25

Step-by-step explanation:

19×6=114

25×7=175

175+114=289

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Pythagorean theorem 19^2 + 21^2=x^2
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Answer:

x = 28.32 units.

Step-by-step explanation:

Given:

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Shorter leg = 19

Hypotenuse = x

To Find:

Hypotenuse = x = ?

Solution:

Pythagoras Theorem States that

(\textrm{Hypotenuse})^{2} = (\textrm{Shorter leg})^{2}+(\textrm{Longer leg})^{2}

Substituting of the given value above equation we get

x^{2} =21^{2}+ 19^{2}\\ \\x^{2}=441 + 361\\\\x^{2}=802\\ \therefore x=\pm\sqrt{802} \\\textrm{as x cannot be negative}\\\therefore x=\sqrt{802}\\\\\therefore x=28.319\ units\\\therefore x=28.32\ units

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3 years ago
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Alenkinab [10]
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For any perfect square trinomial (quadratic), the constant term (last term) must be positive.
Ronch [10]

Answer:

For the perfect square trinomial (quadratic) i.e. \left(x\:+\:3\right)^2, the constant term (last term) is positive.

Step-by-step explanation:

"Perfect square trinomials" are termed as the quadratics that are the outcomes of squaring binomials.

For example:

\left(x\:+\:3\right)^2

\mathrm{Apply\:Perfect\:Square\:Formula}:\quad \left(a+b\right)^2=a^2+2ab+b^2

a=x,\:\:b=3

=x^2+2x\cdot \:3+3^2

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Therefore, for the perfect square trinomial (quadratic) i.e. \left(x\:+\:3\right)^2, the constant term (last term) is positive.

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Integer Basics
Furkat [3]
Can you retype whatever you’re asking in this please?
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Find m (2x+14)<br> (X+7)
LekaFEV [45]

Answer:

=

Step-by-step explanation:

Ⓗⓘ ⓣⓗⓔⓡⓔ

Well, assuming m of angle ABD is 90 degrees, then you would add and then solve.

2x+14+x+7=90

3x+21=90

3x=69

=

(っ◔◡◔)っ ♥ Hope this helped! Have a great day! :) ♥

, !

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