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3 years ago

HELPEOOPPPPOPOPOPPPP

Mathematics

2 answers:

finlep [7]3 years ago

8 0

Answer:

Step-by-step explanation:

HAppY To HeLp LoL

xz_007 [3.2K]3 years ago

6 0

Answer:

y = +7

Step-by-step explanation:

the answer is +7 because if you look at the Y on the image then you will add 2 to get -2 up to 0 then you would add 5 more and 5 + 2= 7

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Is the relationship between the amount earned and number of days worked proportional?

Aliun [14]

Answer:

Yes

Step-by-step explanation:

x is the number of days worked

y is the total amount earned

m is the amount earned per day

so y = mx

7 0

3 years ago

Evaluate the function: f(-x)=x^2+9x-6

astraxan [27]

Answer:

f(-x) = x² - 9x - 6

General Formulas and Concepts:
Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Functions

Function Notations

Step-by-step explanation:

Step 1: Define

Identify.

f(x) = x² + 9x - 6

Step 2: Evaluate

Substitute in x [Function f(x)]: f(-x) = (-x)² + 9(-x) - 6
[Order of Operations] Simplify: f(-x) = x² - 9x - 6

4 0

2 years ago

Amelia and Elliott are collecting empty soda cans for recycling. Amelia has 13 less than 5 times the cans that Elliott has. Toge

sleet_krkn [62]

ANSWER

Find out the how many cans does each one have.

To proof

As given

Amelia and Elliott are collecting empty soda cans for recycling

Amelia has 13 less than 5 times the cans that Elliott has.

let us assume that the Elliott has can be =x

Amelia can = 5x -13

Total can = 257 cans

than the equation becomes

x + 5x - 13 = 257

6x = 257 +13

6x = 270

x = 45

Elliott has can be = 45cans

Amelia can = 5 × 45 - 13

= 212cans

Hence proved

5 0

4 years ago

2x - 2y = 14 x-y= 2 Solve Using Substitution

Svetllana [295]

From the secon equation, we can find x in terms of y by doing:
x = 2 + y
Pluggin this value of x in the first equation:
2(2 + y) - 2y = 14
4 = 14
We reached a false statement, which means that the given system of equations has no solutions. Another way to verify that would be by dividing the first equation by 2. Doing so, we would have equation 1: x - y = 7 and equation 2: x - y = 2, which is clearly impossible!

5 0

3 years ago

A tank's length is 3 feet longer than its width. The height is 1 foot less than the width. The volume of the tank is 160 cubic f

Ivanshal [37]

Answer:

The width of the tank is 5 feet.

Step-by-step explanation:

Given:

A tank's length is 3 feet longer than its width.

The height is 1 foot less than the width.

The volume of the tank is 160 cubic feet.

Now, to find the width of the tank.