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3 years ago

Solve the formula V = bh for h

Mathematics

2 answers:

alex41 [277]3 years ago

6 0

Solving for h means to isolate h by move everything else to the other side of the equal sign.

V = b * h

$\frac{V}{b} = \frac{b*h}{b}$ divide both sides by b

$\frac{V}{b} = h$ h is now isolated

mixas84 [53]3 years ago

3 0

V = bh Dividing both sides by "b" we get

(V / b) = h

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When Judy worked 4 hours and Ben worked 1 hour, their combined pay was $75. When Judy worked 2 hours and Ben worked 6 hours, the

arsen [322]

Answer:

$15

Step-by-step explanation:

let the hourly rate of pay for Ben = B

let the hourly rate of pay for Judy = J

Judy worked 4 hours and Ben worked 1 hour, their combined pay was $75;

4J + B = 75 ----- i

Judy worked 2 hours and Ben worked 6 hours, their combined pay was $120

2J + 6B = 120 --- ii

Now, we should solve the expression;

Multiply equation ii by 2 and equation i by 1;

4J + B = 75 ----- i x 1 ; 4J + B = 75 -- iii

2J + 6B = 120 --- ii x 2 ; 4J + 12B = 240 ---iv

Now,

equation iv - iii;

11B = 165

B = $15

So, solving for J;

4J + B = 75

4J + 15 = 75

4J = 75 - 15 = 60

J = $15

3 0

3 years ago

The volume of a cube is 270cm cubed. Work out the length of its side rounded to 1 DP

nataly862011 [7]

Answer:

a ≈ 6.5 cm

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Multiplication Property of Equality
Division Property of Equality
Addition Property of Equality
Subtraction Property of Equality

Geometry

Volume of a Cube Formula: V = a³

a is a side length

Step-by-step explanation:

Step 1: Define

Identify

V = 270 cm³

Step 2: Solve for a

Substitute in variables [Volume of a Cube Formula]: 270 cm³ = a³
[Equality Property] Cube root both sides: 6.4633 cm = a
Rewrite: a = 6.4633 cm
Round: a ≈ 6.5 cm

3 0

3 years ago

Read 2 more answers

Mark incorrectly evaluated the expression 4x+12-x to the power of 2 where is x-2. Identify and correct mark’s mistake.

nirvana33 [79]

Answer:

The value of $4x+12-x^2$ is 16.

Step-by-step explanation:

The given expression is $4x+12-x^2\ at\ x=2$ .

Put x = 2 in the above expression as follows :

$4x+12-x^2=4(2)+12-(2)^2\\\\=8+12-4\\\\=16$

Hence, the final answer is 16.

5 0

3 years ago

1) Fred Flint is paid $11.95 an hour with time-and-a-half pay for all hours he works over 40

allsm [11]

Fred's overtime rate and pay is $17.925 and $98.5875 respectively

<h3>Total payment</h3>

Amount paid per hour = $11.95

Amount paid overtime per hour = $11.95 × 1.5

= $17.925

Total hours worked last week = 45 1/2 hours

Overwork time = 45 1/2 hours - 40 hours

= 5 1/2 hours

Fred's overtime pay = 5 1/2 hours × $17.925

= 11/2 × 17.925

= $98.5875

Normal work rate = 40 hours × $11.95

= $478

Fred's total pay = Fred's overtime pay + Normal work rate

= $98.5875 + $478

= $576.5875

Therefore, Fred's total pay is $576.5875

Learn more about total pay:

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#SPJ1

5 0

2 years ago

Need help ASAP!! Find the mid-point of the hypotenuse.

maw [93]

Step-by-step explanation:

Midpoint of Hypotenuse

= [(0 + n)/2, (n + 0)/2]

= (n/2, n/2) or (0.5n, 0.5n).

7 0

3 years ago