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Luda [366]
3 years ago
6

Solve 4x+5y=13 for y

Mathematics
2 answers:
mr Goodwill [35]3 years ago
5 0

Answer:

y =  -  \frac{4}{5} x + 2 \frac{3}{5}

Step-by-step explanation:

To solve for y, we have to arrive at the equation of y= ____.

4x + 5y = 13

<em>-4x</em><em> </em><em>on</em><em> </em><em>both</em><em> </em><em>sides</em><em>:</em>

5y = - 4x + 13

<em>Divide</em><em> </em><em>by</em><em> </em><em>5</em><em> </em><em>on</em><em> </em><em>both</em><em> </em><em>sides</em><em>:</em>

<em>y =  -  \frac{4}{5} x +  \frac{13}{5}  \\ y =  -  \frac{4}{5} x + 2 \frac{3}{5}</em>

barxatty [35]3 years ago
4 0

the answers is y equals 8x

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Which is the solution set of the inequality<br> -15y+9&lt;-36
liraira [26]

Answer:

-15y+93\:\\ \:\mathrm{Interval\:Notation:}&\:\left(3,\:\infty \:\right)\end{bmatrix}

Therefore, the first choice is correct.

The graph of the inequality is also attached below.

Step-by-step explanation:

Considering the inequality

-15y+9

solving

-15y+9

\mathrm{Subtract\:}9\mathrm{\:from\:both\:sides}

-15y+9-9

-15y

\mathrm{Multiply\:both\:sides\:by\:-1\:\left(reverse\:the\:inequality\right)}

\left(-15y\right)\left(-1\right)>\left(-45\right)\left(-1\right)

15y>45

\mathrm{Divide\:both\:sides\:by\:}15

\frac{15y}{15}>\frac{45}{15}

y>3

In other words,

-15y+93\:\\ \:\mathrm{Interval\:Notation:}&\:\left(3,\:\infty \:\right)\end{bmatrix}

Therefore, the first choice is correct.

The graph of the inequality is also attached below.

6 0
3 years ago
Carter has 123 songs on a playlist. He's categorized them in the following manner: 11 gospel, 25 country, 21 blues, 6 folk, 16 p
Wewaii [24]

Answer:

11/123

Step-by-step explanation:

P( gospel) = number of gospel songs/ total

                 = 11/123

3 0
3 years ago
A truck can be rented from Company A for ​$150 a day plus ​$0.30 per mile. Company B charges ​$70 a day plus ​$0.50 per mile to
mina [271]
The answer would be be $70 plus the rest
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3 years ago
kelly buys shoes with all the of her money. she only has $150. one pair of shoes is for her and they cost $40. the other 2 pairs
shusha [124]
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3 years ago
Hello? i have a question.​
Vedmedyk [2.9K]

Answer:

whats your question

Step-by-step explanation:

4 0
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