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Oksi-84 [34.3K]
3 years ago
5

Solve for A -2a -12 < -8 How do I do this step by step?

Mathematics
1 answer:
Anit [1.1K]3 years ago
3 0
First you add 12 to the other side and once you have that divide both sides by -2 and since what we’re dividing by is negative the inequality switches so the answer is a > -2
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Rt=R1 R2__, determined Rt when R1=100 and R2 =200?<br>R1+R2 (electronics)​
zloy xaker [14]

Answer:

R_t=300\ \Omega

Step-by-step explanation:

Given that,

R₁ = 100 ohms

R₂ = 200 ohms

We need to find the equivalent resistance of the circuit. So,

R_t=R_1+R_2\\\\R_t=100+200\\\\R_t=300\ \Omega

So, the equivalent resistance is 300\ \Omega.

7 0
3 years ago
I need help with my test please i have 4 minutes left
gogolik [260]

Answer:

$8466.15

Step-by-step explanation:

its 7330 * 0.155 which is 1136.15+7330 is 846.15

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4 0
3 years ago
Read 2 more answers
|13x-4|+12 &lt; 56<br> Anybody know this cuz I do
Ronch [10]

Answer:

\displaystyle x\in \left(-\frac{40}{13},\frac{48}{13}\right)

Step-by-step explanation:

<u>Inequalities with Absolute Value</u>

We must recall the following rule:

\text{If  }|M|0

Then:

-N

We have the following inequality:

|13x-4|+12 < 56

Subtracting 12:

|13x-4|< 56-12

|13x-4|< 44

Applying the rule:

-44

Adding 4:

-44+4

Operating:

-40

Dividing by 13:

\displaystyle -\frac{40}{13}

The solution expressed in interval form is:

\boxed{\displaystyle x\in \left(-\frac{40}{13},\frac{48}{13}\right)}

8 0
3 years ago
Solve the following system of equations using matrices.
Alecsey [184]
It is convenient to let a calculator do the math.
.. (x, y) = (0, 3) . . . . . your 3rd selection

_____
I prefer using the RREF function to put the augmented matrix into reduced row-echelon form. If the equations are dependent or inconsistent, using that method tells you so without giving a matrix inversion error.

5 0
3 years ago
Which ordered pair in the form (a,b) is a solution of the equation?
kondor19780726 [428]

Answer:

A. (6,0)

Step-by-step explanation:

4a- 5b = 24

Check each point to see if its is true

A. (6,0)

4(6) - 5(0) = 24

24 = 24

true

B. (-5, -2)

4(-5) -5(-2)= 24

-20 +10 = 24

-10 =24

False

C. (0,6)

4(0) -5(6) =24

-30 =24

False

D. (-2, -5)

4(-2) -5(-5)=24

-8+25=24

18=24

False

3 0
3 years ago
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