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kotegsom [21]
2 years ago
7

1/4x -18=-22 please include step by step i already know the answer i just need step by step. will award brainliest.

Mathematics
1 answer:
Zolol [24]2 years ago
8 0

Answer:

Hope this helps

Step-by-step explanation:

1/4x = -22 + 18

1/4x = -4

4(1/4x) = 4(-4)

x = -16

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A queen size mattress has a catalog price of $428.99. The trade-discount rate is 20%. What is the net price to the nearest cent?
slava [35]
The queen size mattress has a catalog price of 428.99 dollars.
NOw, it has a trade discount rate or 20% 
=> 20% / 100% = .20
Next is to do the solution:
=>  428.99 * .20 = 85.798 dollars or 85.80
Now, let's find out the net price:
=> 428.99 - 85.80 = 343.19 dollars or 343.2.
5 0
2 years ago
Suppose y varies directly with x, and y = 12 when x = 2. What direct variation
neonofarm [45]

Answer:

y=24

Step-by-step explanation:

<u>Given:</u>

y=kx

<u>Substitute:</u>

\left \{ {{y=12} \atop {x=2}} \right. into y=kx

12=k\times2

<u>Swap the sides:</u>

<u />k\times2=12

<u>Divide both sides of the equation by the coefficient of variable:</u>

<u />k=\frac{12}{2}

<u>Cross out the common factor:</u>

<u />k=6

<u>Find the equation of the function:</u>

<u />y=6x

<u>Substitute:</u>

<u />y=6\times4

<u>Calculate the product or quotient:</u>

<u />y=24

4 0
2 years ago
Solve <br><br> 4a - b^2 <br><br> a = 3<br> b = 2<br> c = 1
Nastasia [14]

Answer:

8

Step-by-step explanation:

(4)(3)−22

=8

3 0
2 years ago
The perimeter of a triangle is 70 in. The shortest side is 11 in. less than the longest side. The middle side is 24 in. less tha
kondor19780726 [428]

Answer:

The sides are

6

inches,

8

inches and

10

inches

Explanation:

I'd suggest that the question should read 'The perimeter of a triangle is 24 inches. The longest side is 4 inches longer than the shortest side, and the shortest side is three-fourths the length of the middle side. How do you find the length of each side of the triangle?'

In this case the question can be answered. If

x

is the length of the middle side, then the shortest side is 3/4x and the longest side is 3/4x+4

x+3/4x+3/4x+4=24

10/4x=20

x=8

Then the shortest side is 6and the longest side is 10

Step-by-step explanation:

4 0
3 years ago
The function y = f (x) is graphed below. What is the average rate of change of the function f(x) on the interval - 1 ≤ x ≤ 3?
jonny [76]

Answer:

\displaystyle -2

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I</u>

  • Average Rate of Change: \displaystyle \frac{f(b) - f(a)}{b - a}

Step-by-step explanation:

<u>Step 1: Define</u>

Interval -1 ≤ x ≤ 3

a = -1, b = 3

f(a) = f(-1) = 4

f(b) = f(3) = -4

<u>Step 2: Find Average</u>

  1. Substitute in variables [ARC]:                     \displaystyle \frac{f(3) - f(-1)}{3 + 1}
  2. Substitute:                                                   \displaystyle \frac{-4 - 4}{3 + 1}
  3. [Fraction] Subtract/Add:                             \displaystyle \frac{-8}{4}
  4. [Fraction] Divide:                                        \displaystyle -2
4 0
2 years ago
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