MATHEMATICS HIGH SCHOOL

Jamal has a plan to save money for a trip. Today, Jamal deposits $10.00 into the savings account. Each week, Jamal will add $5.00 to the amount that is deposited into the savings account. The table below shows the relationship between the number of weeks and how much money, in dollars, Jamal deposits into the savings account.Let f(x)represent the amount of money Jamal deposits into his savings account at the end of x weeks. Based on the table, what is f(10)?

Answers

Answer 1

Answer:

y = 5x + 10

Step-by-step explanation:

using the formula y = mx + b you can easily find the answer.

where

m = the rate of change

b = constant

x = the independent variable

Since he has the initial $10.00 added to the account, we know that is the constant since he won’t be adding that anymore.

Since he will be adding $5.00 to the account every month we know that this is the rate of change.

the variable x will change depending on the number of months passed.

Therefore we can create the equation:

y = 5x + 10

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in an equation y varies directly as x varies. if y = 55 when x = 22, what is the value of x when y = 85?
Plz help this is due rn. Question is below!
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Baileys rectangular dog pen for his Irish settler must have an area of 300 square feet. Also the length must be 10 ft longer than the width. Find the dimension of the pen

Answers

Answer:

Width of rectangular pen = 10 feet

Length of rectangular pen = 20 feet

Step-by-step explanation:

We are given the following in the question:

Area of rectangular dog pen = 300 square feet

Let $x\text{ feet}$ be the width of the rectangular pen.

Then, length of the pen is given by:

$l= (x+10)\text{ feet}$

Area of rectangular pen = Area of rectangle

$A = l* w$

Putting values, we get

$200 = (x+10)x\n200 = x^2 + 10x\nx^2 + 10x-200 = 0\n (x + 20)(x - 10) = 0\nx = -20, x = 10$

Since, dimensions can never be negative, we get

Width of rectangular pen = 10 feet

Length of rectangular pen = 20 feet

Select all input values for which f(x)=3f(x)=3f, left parenthesis, x, right parenthesis, equals, 3.Choose all answers that apply:
Choose all answers that apply:

(Choice A)
A
x=-5x=−5x, equals, minus, 5

(Choice B)
B
x=-3x=−3x, equals, minus, 3

(Choice C)
C
x=-1x=−1x, equals, minus, 1

(Choice D)
D
None of the above

Answers

If the value of the variable x is negative 3 then the value of the even function is 3. Then the correct option is C.

What is an even function?

Even Function - A true function f(x) is said to be an even function if the output value of f(-x) is the same as the f(x) for all values of x in the domain of f.

The equation should be stored in an even function:

f(-x) = f(x)

The function is given below.

f(x) = f(3) = 3

Let the function f(x) be an even function. Then we have

f(-3) = f(3) = 3

More about the even function link is given below.

brainly.com/question/3975387

#SPJ2

Answer:

-3

Step-by-step explanation:

This is what I got lol

an item has listed price of 85$. If sales tax rates is 3 percent, how much is the sales tax (in dollars)

Answers

Answer:

$2.55

Step-by-step explanation:

If you Multiply $85 by 0.03 you get your answer because you have to turn the 3% into a decimal which you have to move the decimal two places to the left.

If 70% is £14 what is the full cost?
PLEASE HELP ASAP

Answers

70% of 14
10%=14/10=1.4
70%=1.4x7=9.8

9.85 less than the product of 37 and t

Answers

If you would like to write the expression 9.85 less than the product of 37 and t in a math notation, you can do this using the following steps:

9.85 less than the product of 37 and t
the product of 37 and t ... 37 * t
9.85 less than ... - 9.85

The correct result would be 37 * t - 9.85.

HELPP QUICK PLSSS The solution to a two-variable system is the point on a graph at which the lines cross

Answers

Answer:

b. false, i think!

Step-by-step explanation:

Answer:

false

Step-by-step explanation:

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