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1 year ago

How many solutions does the equation −5a 5a 9 = 8 have? none one two infinitely many

Mathematics

1 answer:

Brut [27]1 year ago

5 0

The given equation does not have any solution.

For given question,

We have been given an equation −5a + 5a + 9 = 8

We know that the like terms are those terms which have same variable to the same power.

Combine Like terms;

0 + 9 = 8

9 = 8

⇒ which is False.

This statement is false for any values of x

Therefore, the given equation does not have any solution.

Learn more about the solution of equation here:

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An internet business sells u.s flags for $16.95 each, plus $2.50 shipping per flag. Shipping is free,however, on orders where m

solmaris [256]

B.16.95 b > 100 is the answer!

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3 years ago

Round Each Number To The Nearest Ten To Estimate 87.4 - 28.5 !! I Need Help

irinina [24]

87.4 - 28.5

87.4 = 87.0

so
87.0 - 28.5 = 58.5

answer
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3 years ago

On a coordinate plane, a line goes through (negative 4, 2) and (negative 2, negative 4). Which are solutions of the linear equat

hammer [34]

Answer:

Y = (-3) *X - 10

solution for Y =0 ---> X = -10/3

Step-by-step explanation:

Two points:

(Y0 ; X0) = (-4 ; 2)

(Y1 ; X1) = (-2 ; -4)

There is only one line which pass for both of them, his general expresion is:

y = a*x + b --- (1)

Calculating "a": is the pending of the line.

$a = \frac{Y1 - Y0}{X1 - X0} = \frac{(-4) - (2)}{-2 - (-4)} =\frac{-6}{2} = -3$

Calculating "b":

Since every point who belongs to the line satisfied the (1) expresion, we can use it for the point (Y1 ; X1) :

$Y0 = (-3)*X0 + b ---> 2 = (-3)*(-4) + b ---> b = -10$

Final expresion

Replacing in (1): $Y = (-3) *X - 10$

Solutions: $Y = (-3) *X - 10 = 0 --- > X = -\frac{10}{3}$

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3 years ago

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sammy [17]

Answer:

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Step-by-step explanation:

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3 years ago

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Whats the density of an object with the length of 5.0 cm a height of 3.0 and width of 15.0 cm and a mass of 24 grams

Sphinxa [80]

Answer:

The density of the object is $0.1067$ grams per cubic centimeter. (Rounded off to 4th decimal)

Step-by-step explanation:

Density = [Mass/Volume]

Here we have been given the dimensions of the object.

Volume = Height * Width * Length

Volume = $3.0cm*15.0cm*5.0cm$

= $225cm^{3}$

Now we can substitute the Mass and the Volume to the density equation.

Density = [Mass/Volume]

= $\frac{24grams}{225cm^{3} }$

= $0.1067$ grams per cubic centimeter. (Rounded off to 4th decimal)

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3 years ago