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4 years ago

What is -4/8 reduced

2 answers:

6 0

If you mean simplifying -4/8 simplified is -2/4 or -1/2 which in decimal form is -0.5 so it is technically a negative half.

Reika [66]4 years ago

6 0

-4/8 = -2/4 = -1/2

-1/2

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In a school canteen, a cup of tea costs 60p.

nataly862011 [7]

The expression for the cost function is cost=60y.

We have given that,

a cup of tea costs 60p.

We have to determine the cost function.

<h3>What is the cost function?</h3>

In mathematical optimization and decision theory, a loss function or cost function is a function that maps an event or values of one or more variables onto a real number intuitively representing some cost associated with the event. An optimization problem seeks to minimize a loss function.

Cost=no of cups(price for one cup)

cost=60y

Therefore the expression for the cost function is cost=60y.

To learn more about the cost visit:

brainly.com/question/1153322

#SPJ1

6 0

3 years ago

How many years will it take each situation to double its money? Situation A: Matthew invests $5,000 in an account with a compoun

algol [13]

Answer:

Matthew's money will double fastest in 6 years.

Step-by-step explanation:

The complete question is

Answer the question for each scenario by applying the rule of 72. How many years will it take each situation to double its money? Situation A: Matthew invests $5,000 in an account with a compound interest rate of 12%. Situation B: Morgan invests $2,500 in an account with a compound interest rate of 8%. Situation C: Maysen invests $10,000 in an account with a compound interest rate of 4.5%. Whose money will double fastest?

we know that

The Rule of 72 is a simple way to determine how long an investment will take to double given a fixed annual rate of interest. By dividing 72 by the annual rate of return.

Situation A: Matthew invests $5,000 in an account with a compound interest rate of 12%

$\frac{72}{12}=6\ years$

Situation B: Morgan invests $2,500 in an account with a compound interest rate of 8%.

$\frac{72}{8}=9\ years$

Situation C: Maysen invests $10,000 in an account with a compound interest rate of 4.5%

$\frac{72}{4.5}=16\ years$

therefore

Matthew's money will double fastest in 6 years.

7 0

3 years ago

Segment BDSegment BD is a perpendicular bisector of segment ACsegment AC . AB=6xAB=6x and CB=x+15CB=x+15 . What is the length of

jolli1 [7]

Since BD is the perpendicular bisector of AC, then AB = BD, so:
6x = x+15
5x=15
x=3
CB = 3+15 = 18

3 0

3 years ago

What is the solution to this system of equations?

Eduardwww [97]

Answer:

x = -2, y = 3

Step-by-step explanation:

Given equations are,

4x + 5y = 7 ---------(1)

3x - 2y = -12 ----------(2)

Multiply equation (1) by 3

12x + 15y = 21 ------(3)

Multiply equation (2) by (-4)

-12x + 8y = 48 --------(4)

Now add equations (3) and (4),

(12x + 15y) + (-12x + 8y) = 21 + 48

(12x - 12x) + (15y + 8y) = 69

23y = 69

y = 3

From equation (2),

3x - 2(3) = -12

3x - 6 = -12

3x = 6 - 12

x = -2

Therefore, x = -2 and y = 3 will be the answer.

4 0

4 years ago

Read 2 more answers

Answer this question, -(-2x-4)=15

uranmaximum [27]

X=5.5 is what I got when I did the math

3 0

4 years ago

Read 2 more answers