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Mashutka [201]
3 years ago
9

Please answer all questions ASAP. Don’t mind the answers, i think i’m not right. TIA

Mathematics
2 answers:
Lelechka [254]3 years ago
8 0

Answer:

1. 1.6

2. 1.5

3.1.3

dmitriy555 [2]3 years ago
3 0

Answer:

20. 50 mph. 21. 0 mph. 22. 60 mph. 23. 50 mph

Step-by-step explanation:

20. 150 Miles / 3 Hrs = 50 mph

21. No travel from hours 3 to 4, so 0 mph.

22. 300 Miles / 5 Hrs = 60 mph

23. 450 Miles / 9 Hrs = 50 mph

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Solve By Factoring: 7x^2+6x-3=0
Allushta [10]

Answer:

x= -3-sqr30/7

Step-by-step explanation:

3 0
3 years ago
Factor the polynomial 8x² − 24x − 224 completely. help now!
IgorLugansk [536]

Answer:

8 ( x  −  7 )  ( x  +  4 )

Step-by-step explanation:

7 0
2 years ago
Rewrite the function f(x)=-2(x+2)^2+6 in the form f(x)=ax^2+bx+c
Romashka [77]

Answer:

f(x) = -2x² - 8x - 2

General Formulas and Concepts:

  • Order of Operations: BPEMDAS
  • Expand by FOIL (First Outside Inside Last)
  • Standard Form: f(x) = ax² + bx + c
  • Vertex Form: f(x) = a(bx + c)² + d

Step-by-step explanation:

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

Vertex Form: f(x) = -2(x + 2)² + 6

<u>Step 2: Find Standard Form</u>

  1. Expand by FOILing:                         f(x) = -2(x² + 4x + 4) + 6
  2. Distribute -2:                                     f(x) = -2x² - 8x - 8 + 6
  3. Combine like terms (constants):     f(x) = -2x² - 8x - 2
8 0
3 years ago
On a quiet day without many witnesses, a 4.5 ft victim was shot by a sniper that was in a tower 780 ft away. If the angle of ele
azamat

Answer:

68.17m

Step-by-step explanation:

Please see attached a rough sketch of the scenario

Step one:

Given data

Height of victim= 4.5ft

The horizontal distance of the snipper from the building = 780ft

The angle of elevation= 5 degrees

Required

The vertical distance

The opposite= the vertical distance

789 ft = the adjacent

Step two:

Applying SOH CAH TOA

tan ∅= opp/adj

tan 5= opp/780

cross multiply we have

0.0874= opp/780

cross multiply we have

0.0874*780= opp

opp= 68.17m

The sniper shoots from a vertical distance of  68.17m

8 0
2 years ago
What are the variables in the expression 2w + 11t + 4y
Taya2010 [7]
They are T, W, and Y
5 0
3 years ago
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