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3 years ago

5x -2 = 6x + 5 solve for variable

Mathematics

2 answers:

iren [92.7K]3 years ago

8 0

Answer:

jakqbqbqjaka sbsjsjwbwbnsnananna

Roman55 [17]3 years ago

5 0

Answer: x=-7

Step-by-step explanation:

5x-2=6x+5

subtracts 5x from 6x to get x and 5 from -2 to get -7

x=-7

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F(x)=5-1/5x What are the x and y intercepts?

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X intercepts 1/25=0

Y intercepts none

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3 years ago

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Can someone help me solve (a) and (c) pls.<br>Thanks

Alex777 [14]

Answer:

Area of ABCD = 959.93 units²

Step-by-step explanation:

a). By applying Sine rule in the ΔABD,

$\frac{\text{SinA}}{46}=\frac{\text{Sin}\angle{DBA}}{35}$

$\frac{\text{Sin110}}{46}=\frac{\text{Sin}\angle{DBA}}{35}$

Sin∠DBA = $\frac{35\times \text{Sin}(110)}{46}$

m∠DBA = $\text{Sin}^{-1}(0.714983)$

m∠DBA = 45.64°

Therefore, m∠ADB = 180° - (110° + 45.64°) = 24.36°

m∠ADB = 24.36°

c). Area of ABCD = Area of ΔABD + Area of ΔBCD

Area of ΔABD = AD×BD×Sin( $\frac{24.36}{2}$ )

= 35×46Sin(12.18)

= 339.68 units²

Area of ΔBCD = BD×BC×Sin( $\frac{59.92}{2}$ )°

= 46×27×(0.4994)

= 620.25 units²

Area of ABCD = 339.68 + 620.25

= 959.93 units²

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4 years ago

Write a polynomial in standard form that meets the following conditions. Assume a=1 and your function is f(x), The zeros are 5 a

jeka57 [31]

Polynomials are equations that uses variables and several terms

The polynomial in standard form is f(x) = x^2 - x -20

<h3>How to determine the polynomial</h3>

The polynomial has 2 zeros.

So, the form of the polynomial is:

f(x) = a(x - x1)(x - x2)

The zeros of the polynomial are 5 and -4.

So, the equation becomes

f(x) = a(x - 5)(x + 4)

The value of a = 1.

So, we have;

f(x) = 1(x - 5)(x + 4)

This gives

f(x) = (x - 5)(x + 4)

Expand

f(x) = x^2 - x -20

Hence, the polynomial in standard form is f(x) = x^2 - x -20