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Semenov [28]
3 years ago
5

Solve for j - algebra

Mathematics
1 answer:
hodyreva [135]3 years ago
8 0

Answer:

k=57

Step-by-step explanation:

Multiply both sides by 5

k-2=55

Move the constant to the right-hand side and change its sign

k=55+2

k=57

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Need help with number 3 inequalities with variables on both sides
Volgvan

Answer:

x ≤ 2

Step-by-step explanation:

We are given the inequality:

\displaystyle{2x-3 \leq \dfrac{x}{2}}

First, get rid of the denominator by multiplying both sides by 2:

\displaystyle{2x\cdot 2-3\cdot 2 \leq \dfrac{x}{2}\cdot 2}\\\\\displaystyle{4x-6 \leq x}

Add both sides by 6 then subtract both sides by x:

\displaystyle{4x-6+6 \leq x+6}\\\\\displaystyle{4x \leq x+6}\\\\\displaystyle{4x-x \leq x+6-x}\\\\\displaystyle{4x-x \leq 6}\\\\\displaystyle{3x \leq 6}

Then divide both sides by 3:

\displaystyle{\dfrac{3x}{3} \leq \dfrac{6}{3}}\\\\\displaystyle{x \leq 2}

Therefore, the answer is x ≤ 2

5 0
2 years ago
Read 2 more answers
Find the area under the standard normal curve to the left of z=1.25.
snow_tiger [21]

For quite some time now, calculators have had statistical functions built in.  Here we need to use the stat. function normalcdf, which has only two inputs when we're working with z scores instead of raw scores.

Here,

normalcdf(-100,1.25) = 0.894

This same result could be obtained using a table of z-scores.

3 0
3 years ago
What plus 4/3 equals 19/3 in the simplest form?
dangina [55]
15/3 + 4/3 = 19/3

All you have to do is subtract 4/3 from 19/3 to get 15/3
4 0
3 years ago
How do you find the surface area of a cube?
timofeeve [1]
You find the surface area of a cube by using A=6a^2
8 0
2 years ago
Hello! :)
bazaltina [42]

Answer:

8x-2y

Step-by-step explanation:

3x4y+5x+2y

Simplify

1 Combine like terms

3x4y+5x+2y

8x-4y+2y

2 Combine like terms

8x-4y+2y

8x-2y

Solution

8x-2y

Hope this helps!

Don't forget to mark me as Brainliest.

4 0
1 year ago
Read 2 more answers
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