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Brilliant_brown [7]
3 years ago
5

Solve for x: 7x + 12 = 47

Mathematics
1 answer:
Inessa05 [86]3 years ago
3 0

Answer:

7x + 12 = 47

7x = 35

x = 5

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Find the length of Ac. Round your answer to the nearest tenth
Tpy6a [65]

Answer:

x ≈ 4.3

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

<u>Trigonometry</u>

  • [Right Triangles Only] SOHCAHTOA
  • [Right Triangles Only] tan∅ = opposite over adjacent

Step-by-step explanation:

<u>Step 1: Identify Variables</u>

Angle = 35°

Opposite Leg = 3

Adjacent Leg = <em>x</em>

<em />

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

  1. Substitute [tangent]:                    tan35° = 3/x
  2. Multiply <em>x</em>:                                     xtan35° = 3
  3. Isolate <em>x</em>:                                       x = 3/tan35°
  4. Evaluate:                                       x = 4.28444
  5. Round:                                          x ≈ 4.3
5 0
2 years ago
35 points<br> Graph.<br> y= 5/3x–4
Olegator [25]

Answer:

attached picture

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Please Help i need this done
lisabon 2012 [21]

Answer:

i think u add 2.5 everytime

Step-by-step explanation:

for example start with(0, 2.5) 0n the graph then add 2.5 to 2.5 then keep adding if im wrong srry

3 0
2 years ago
Solve the two step equations
disa [49]

Hello!

1) -3x - 4 = 23

-3x = 23 + 4

-3x = 27

x = 27 : (-3)

x = -9

2) x/2 - 12 = -4

x - 24 = -8

x = -8 + 24

x = 16

3) 6a + (-1) = 10

6a - 1 = 10

6a = 10 + 1

6a = 11

a = 11 : 6

a = 11/6

4) -(x + 2) = 12

x + 2 = -12

x = -12 - 2

x = -14

5) 7a + 12 = 10

7a = 10 - 12

7a = -2

a = -2 : 7

a = -2/7

6) -4(a + 2) = 12

a + 2 = -3

a = -3 - 2

a = -5

Good luck! :)

7 0
3 years ago
300€ durante 5 años al 0.3% de interés compuesto mensual. A) ¿Cuánto interés se ha ganado? B) Cuánto interés se ha ganado?
marysya [2.9K]

Answer:

Interes ganado= €59.07

Step-by-step explanation:

Dada la siguiente informacion:

300€ durante 5 años al 0.3% de interés compuesto mensual.

<u>Para calcular el valor final de la inversión y el interés ganado, debemos usar la siguiente formula:</u>

FV= PV*(1 + i)^n

Present Value= 300

i= 0.003

n= 5*12= 60 meses

FV= 300*(1.003^60)

FV= 359.07

Interes ganado= 359.07 - 300

Interes ganado= 59.07

5 0
3 years ago
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