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3 years ago

Hey hey last question tysmmm!

Mathematics

2 answers:

MrMuchimi3 years ago

8 0

Answer:

it is a 25% decrease

Step-by-step explanation:

Sloan [31]3 years ago

7 0

21:28*100 =

(21*100):28 =

2100:28 = 75

100 - 75 is 25

Your answer is 25%

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Use elimination to solve 4x – 2y = -14 3x - y = -8

Xelga [282]

X = -1, y = 5. Hope this helps

8 0

2 years ago

2. find the value pls no links

natta225 [31]

Answer:

$\displaystyle V = 2144.66 \ ft^3$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Geometry

Volume of a Sphere Formula: $\displaystyle V = \frac{4}{3} \pi r^3$

r is radius

Step-by-step explanation:

Step 1: Define

Identify variables

r = 8 ft

Step 2: Find Volume

Substitute in variables [Volume of a Sphere Formula]: $\displaystyle V = \frac{4}{3} \pi (8 \ ft)^3$
Evaluate exponents: $\displaystyle V = \frac{4}{3} \pi (512\ ft^3)$
Multiply: $\displaystyle V = \frac{2048}{3} \pi \ ft^3$
Estimate: $\displaystyle V = 2144.66 \ ft^3$

5 0

2 years ago

Porsha calculates the amount of money she will have at the end of 6 years on a $5,000 investment earning 3.75% interest compound

OLEGan [10]

Porsha` s expression:
5,000 ( 1 + 0.0375 ) ^24
A = P * ( 1 + i ) ^n
n = 6 * 4 = 24
i = 0.0375 : 4 = 0.009375
Porsha`s expression is wrong. True expression is:
5,000 * ( 1 + 0.009375 ) ^24
Answer: B ) Porsha`s expression should have 1 + 0.009375 in the parentheses.

5 0

3 years ago

Read 2 more answers

Solve following system of equations using the elimination method and enter the value of x.

liq [111]

Answer: x=13 . . . . . . .

4 0

2 years ago

What is the rate of change and initial value for the linear relation that includes the

Aleonysh [2.5K]

Answer:

The initial value of the function is 25 and the rate of change is - 5.

Step-by-step explanation:

The table gives the ordered pairs of linear relation and they are (1,20) and (3,10).

Now, the equation of the linear relation that includes those ordered pairs will be

$\frac{y - 10}{10 - 20} = \frac{x - 3}{3 - 1}$

⇒ y - 10 = - 5(x - 3)

⇒ y - 10 = - 5x + 15

⇒ y = - 5x + 25

Therefore, the initial value of the function is 25 and the rate of change is - 5. (Answer)

8 0

3 years ago