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Vinvika [58]
3 years ago
9

Suppose that the function f(x)=7x+2 represents the number of cars that drive by in x minutes how many cars will drive by in 10 m

inutes
A. 27
B. 70
C. 72
D.90
Mathematics
1 answer:
OverLord2011 [107]3 years ago
6 0
D I think I’m not sure
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What is the value of x in the equation 3- 2x = -1.5х?
Vika [28.1K]

Answer:

x = 6

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

Step-by-step explanation:

<u>Step 1: Define Equation</u>

3 - 2x = -1.5x

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Add 2x on both sides:                    3 = 0.5x
  2. Divide 0.5 on both sides:               6 = x
  3. Rewrite:                                           x = 6

<u>Step 3: Check</u>

<em>Plug in x into the original equation to verify it's a solution.</em>

  1. Substitute in<em> x</em>:                    3 - 2(6) = -1.5(6)
  2. Multiply:                               3 - 12 = -9
  3. Subtract:                              -9 = -9

Here we see that -9 does indeed equal -9.

∴ x = 6 is the solution to the equation.

6 0
3 years ago
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Joelle is working on a school report in a word processor. She wants to place a figure which is 13.09 cm wide so it apperars cent
irga5000 [103]

Hello Croary

We would first need to subtract 13.09cm from  21.59cm which will be 8.5cm, with the left over space, divide in half

<u><em>8.5/2 = 4.25cm</em></u>

:)

6 0
3 years ago
Moshe has the container shown below on his desk to hold pencils and paper clips. 2 rectangular prisms. One has a length of 4 inc
iren2701 [21]

Answer:

2 inches by 3 inches by 6 inches and 2 inches by 2 inches by 4 inches

Step-by-step explanation:

7 0
3 years ago
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Simplify the equation. (5xE2 - 3x) - (5xE2 - 3x+1)
s2008m [1.1K]

Answer:

\huge \boxed{\mathrm{-1}}

Step-by-step explanation:

(5xe^2  - 3x) - (5xe^2  - 3x+1)

Distribute negative sign.

5xe^2  - 3x- 5xe^2  +3x-1

Combine like terms.

0xe^2 +0x-1

0-1=-1

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(that's a line by the 2 not a 12) PLS HELPP
valina [46]

Answer:

x lessthen or equel to 3/2

Step-by-step explanation:

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