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3 years ago

6

Twenty-seven minus 3/2 of a number (x) is not more than 36. What is the number?

1 answer:

saw5 [17]3 years ago

7 0

Answer:

<h2>-6</h2>

Step-by-step explanation:

$27 - 1.5x \leq 36\\ 54 - 3x \leq 72\\54 - 72 \leq 3x\\-18 \leq 3x\\-6 \leq x\\x\geq -6$

Hope this helps

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klasskru [66]

Answer:

$\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:}$

$y=0,\:x=6$

Step-by-step explanation:

Considering the system of the equations

$\begin{bmatrix}2x-7y=12\\ -x+15y=-6\end{bmatrix}$

$\mathrm{Isolate}\:x\:\mathrm{for}\:2x-7y=12$

$2x-7y+7y=12+7y$

$2x=12+7y$

Divide both sides by 2

$\frac{2x}{2}=\frac{12}{2}+\frac{7y}{2}$

$x=\frac{12+7y}{2}$

$\mathrm{Subsititute\:}x=\frac{12+7y}{2}$

$\begin{bmatrix}-\frac{12+7y}{2}+15y=-6\end{bmatrix}$

$-\frac{12+7y}{2}+15y=-6$

$\mathrm{Multiply\:both\:sides\:by\:}2$

$-\frac{12+7y}{2}\cdot \:2+15y\cdot \:2=-6\cdot \:2$

$-\left(12+7y\right)+30y=-12$

$-12+23y=-12$

$-12+23y+12=-12+12$

$23y=0$

$\mathrm{Divide\:both\:sides\:by\:}23$

$\frac{23y}{23}=\frac{0}{23}$

$y=0$

$\mathrm{For\:}x=\frac{12+7y}{2}$

$\mathrm{Subsititute\:}y=0$

$x=\frac{12+7\cdot \:0}{2}$

$x=\frac{12}{2}$

$x=6$

$\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:}$

$y=0,\:x=6$

4 0

3 years ago

Can anyone help me answer this?

saw5 [17]

Answer: X=12.7

Step-by-step explanation:

Sorry if its wrong I am pretty rusty with these kind of questions

7 0

3 years ago

Can a right triangle be formed using these squares

Ilya [14]

Yes. The two smaller squares have a sum of 169 which is the value of the larger square.

a^2 + b^2 = c^2

25 + 144 = 169

It can be done. Notice the figure below shows you how to arrange the squares to give the answer of a^2 + b^2 = c^2

7 0

3 years ago

For 6x^2 – 3x - 4 = 0, a = 6, b = and c=

sleet_krkn [62]

Answer:

b= -3 c= -4

Step-by-step explanation:

At this point it seems that you just want to identify the values of b and c.

4 0

3 years ago

Find a solution to the equation 4(x + 7) = 38

yKpoI14uk [10]

Answer:

4(x+7)=38

4x+28=38

4x=38-28

4x=10

(divide by 4)

x=2whole number 2/4

=2whole number 1/2

or x=2.5

6 0

2 years ago