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slavikrds [6]
2 years ago
15

Maths help please!!!!!! trigonometry

Mathematics
1 answer:
Troyanec [42]2 years ago
8 0

Answer:

because I need a ferpect sulotion for that and I can finish the work

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Need help with this problem please! I believe it is b but I get a different answer everytime I redo it!
Andreas93 [3]

Answer:

no u right its b

Step-by-step explanation:

5 0
3 years ago
Which set does not contain –3?
STALIN [3.7K]
Set? Are you missing part of the question
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2 years ago
Jennifer has 84.5 yards of fabric to make curtains she makes 6 identical curtains and has 19.7 yards of fabric remaining how man
harkovskaia [24]

Answer: She uses 10.8 yards of fabric per curtain.

Step-by-step explanation:

84.5 - 19.7 = 64.8

64.8/6 = 10.8

6 0
3 years ago
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A car is travelling at exactly 6 miles per hour and accelerates at a constant rate to exactly 65 miles per hour.
vichka [17]

Answer:

14878.04878miles/hours^2

Step-by-step explanation:

Let's find a solution by understanding the following:

The acceleration rate is defined as the change of velocity within a time interval, which can be written as:

A=(Vf-Vi)/T where:

A=acceleration rate

Vf=final velocity

Vi=initial velocity

T=time required for passing from Vi to Vf.

Using the problem's data we have:

Vf=65miles/hour

Vi=6miles/hour

T=14.8seconds

Using the acceleration rate equation we have:

A=(65miles/hour - 6miles/hour)/14.8seconds, but look that velocities use 'hours' unit while 'T' uses 'seconds'.

So we need to transform 14.8seconds into Xhours, as follows:

X=(14.8seconds)*(1hours/60minutes)*(1minute/60seconds)

X=0.0041hours

Using X=0.0041hours in the previous equation instead of 14.8seconds we  have:

A=(65miles/hour - 6miles/hour)/0.0041hours

A=(61miles/hour)/0.0041hours

A=(61miles)/(hour*0.0041hours)

A=61miles/0.0041hours^2

A=14878.04878miles/hours^2

In conclusion, the acceleration rate is 14878.04878miles/hours^2

7 0
3 years ago
Which is equivalent to 2(5m)+m? options are 11m, 12m, 5m+2 or 7m+2m
zlopas [31]

Answer:

11m

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

<u>Algebra I</u>

  • Combining Like Terms

Step-by-step explanation:

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

2(5m) + m

<u>Step 2: Simplify</u>

  1. Multiply:                    10m + m
  2. Add:                          11m
5 0
3 years ago
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