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alexandr402 [8]
3 years ago
6

Solve for the variable 7x = -35

Mathematics
2 answers:
zubka84 [21]3 years ago
8 0

Answer:

<u>x = -5.</u>

Step-by-step explanation:

7x = - 35

x = -35/7

x = <u>-5.</u>

Aliun [14]3 years ago
5 0

Answer:

x = -35/7

= -5

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Katyanochek1 [597]
It is 105 degrees because the area of a triangle always adds up to 180
3 0
2 years ago
Help me in this one pls I give 15 pts
scoundrel [369]

Answer:

23.7555090109  

Step-by-step explanation:  

sin= opposite/hypotenuse  

sin(53) = BC/60cm  

BC= sin(53)*60 = 23.7555090109

6 0
3 years ago
Evaluate x+3 squared by 2 - 6 when x = 4
Alisiya [41]

Answer:

43

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

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify.</em>

(x + 3)² - 6

<em>x</em> = 4

<u>Step 2: Evaluate</u>

<em>Follow Order of Operations.</em>

  1. Substitute in <em>x</em> [Equation]:                                                                                (4 + 3)² - 6
  2. (Parenthesis) Add:                                                                                            7² - 6
  3. Exponents:                                                                                                        49 - 6
  4. Subtract:                                                                                                            43
6 0
2 years ago
Read 2 more answers
Find the product. x3(x2+5x+1)
PtichkaEL [24]

Answer:

Answer = x5+5x4+x3

Step-by-step explanation:

x3(x2+5x+1)

=(x3)(x2+5x+1)

=(x3)(x2)+(x3)(5x)+(x3)(1)

=x5+5x4+x3

Answer = x5+5x4+x3

7 0
3 years ago
Solve the system y = -x + 7 and y = -0.5(x - 3)^2 + 8.
AlladinOne [14]

Answer:

(1,6) & (7,0)

Step-by-step explanation:

y = -x + 7

y = -0.5(x - 3)² + 8

To solve the system, solve these two equations simultaneously

-x + 7 = -0.5(x - 3)² + 8

-x + 7 = -0.5(x² - 6x + 9) + 8

-x + 7 = -0.5x² + 3x - 4.5 + 8

0.5x² - 4x + 3.5 = 0

x² - 8x + 7 = 0

x² - 7x - x + 7 = 0

x(x - 7) - (x - 7) = 0

(x - 1)(x - 7) = 0

x = 1, 7

y = -1 + 7 = 6

y = -7 + 7 = 0

(1,6) (7,0)

Since the system has two distinct solutions, the line and the curve meet at two distinct poibts9: (1,6) & (7,0)

8 0
3 years ago
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