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pantera1 [17]
2 years ago
10

Determine whether the point (-3,-6) is in the solution set of the system of inequalities below

Mathematics
1 answer:
Sergio039 [100]2 years ago
7 0

Answer:

A

Step-by-step explanation:

There isnt enough information given.

Hope it helps u

Please mark as the brainliest

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X+9=2x-3<br> FIND THE X!!!!!!
Ierofanga [76]

Answer:

x = 12

Step-by-step explanation:

<u>To find "x"</u>, we need to <u>isolate it</u>. This means move "x" to the left side, and everything else to the right side.

When moving a number, do its <u>reverse operation</u> to the entire equation.

x + 9 = 2x - 3

x - 2x + 9 = 2x - 2x - 3         Subtract 2x from both sides

-x + 9 = -3                              

-x + 9 - 9 = -3 - 9           Subtract 9 from both sides

-x = -12

-x/-1 = -12/-1          Divide both sides by -1 to get rid of the negatives

x = 12                     Final answer

Check your answer. Split the equation for the left and right sides. Substitute "x" for the answer "12".

LS:   (left side)

x + 9

= 12 + 9              Add

= 21

RS:   (right side)

2x - 3

= 2(12) - 3            Multiply before subtracting

= 24 - 3               Subtract

= 21

Both sides equal to 21 when "x" is 12.

LS = RS          left side equals right side

Therefore the answer is correct.

3 0
3 years ago
Solve each system using a matrix<br> 7x+2y=5<br> 13x+14y=-1
Svetach [21]

Solve each system using a matrix

7x+2y=5

13x+14y=-1Solve each system using a matrix

7x+2y=5

13x+14y=-1

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Length time weith time highth
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1. You invest $2500 with annual interest rate of 4%. How much money will you have after 5 years?Use the following formula:A = P(
Yuki888 [10]

$ 3042

Explanation

we need to use the formula:

\begin{gathered} A=P(1+r)^t \\ \text{where} \\ \text{ P is the principal} \\ r\text{ is the rate ( in decimal)} \\ t\text{ is the time} \end{gathered}

Step 1

a)let

\begin{gathered} P=2500 \\ r=\text{ 4\% =}\frac{4}{100}=0.04 \\ r=0.04 \\ t=5\text{ ( years)} \end{gathered}

b) now, replace

\begin{gathered} A=P(1+r)^t \\ A=2500(1+0.04)^5 \\ A=2500(1.04)^5 \\ A=2500(1.2166) \\ A=3041.63 \\ \text{rounded} \\ A=3042 \end{gathered}

therefore, the answer is

$ 3042

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Can someone get my schoolwork to 15% done
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Answer:

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Step-by-step explanation:

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