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noname [10]
3 years ago
13

79

Mathematics
1 answer:
Zinaida [17]3 years ago
6 0

Answer: 43.988

Step-by-step explanation: The formula for the circumference of a circle is the diameter multiplied by pi. Since the diameter is 14 and it is telling us to use 3.142 as pi, we can multiply the two and get the answer.

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What is the answer to −6(x +2) − 2
kkurt [141]

Answer: hii <3

<em>The Answer Is </em>= <u>−6x−14</u>

Step-by-step explanation:

Simplify the expression.

Hopefully this helps <em>you</em>

- Matthew :)

7 0
3 years ago
Read 2 more answers
What is the distance between point A and point B? Round to nearest tenth.
Sergeu [11.5K]

Answer:

d \approx 12.6

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

<u>Algebra II</u>

  • Distance Formula: d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Find points from graph.</em>

Point A (-4, 2)

Point B (8, 6)

<u>Step 2: Find distance </u><em><u>d</u></em>

Simply plug in the 2 coordinates into the distance formula to find distance <em>d</em>.

  1. Substitute [DF]:                    d = \sqrt{(8+4)^2+(6-2)^2}
  2. Add/Subtract:                       d = \sqrt{(12)^2+(4)^2}
  3. Exponents:                           d = \sqrt{144+16}
  4. Add:                                      d = \sqrt{160}
  5. Simplify:                                d = 4\sqrt{10}
  6. Evaluate:                              d = 12.6491
  7. Round:                                 d \approx 12.6
7 0
3 years ago
I need help with this​
alexdok [17]

Answer:

c) x+y=35 10x+7y=266

Step-by-step explanation:

5 0
3 years ago
In 2016, 600 individuals became infected with the dengue virus in a town of 60,000 people in Brazil. Out of those infected, 50 p
tatuchka [14]

Answer:

A. 0.083%

Step-by-step explanation:

Total population=60,000

Total infected=600

Percentage of total infected=600/60,000×100

=0.01×100

=1% of the total population

50 people died out of total infected

Percentage of death of total infected=50/600×100

=8.33%

Total death from all causes=110

Percentage of total death from all causes to the total population=110/60,000×100

=0.1833%

Proportionate mortality rate(PMR) of dengue in the population can be calculated as:

Percentage of death from total infected to the total population

=50/60,000×100

=0.0833%

Approximately 0.083%

8 0
4 years ago
What is 6x^2-2x+1=0 plz help
Kazeer [188]
6x^2 - 2x + 1 is a quadratic formula from the form ax^2 + bx + c. This form of equation represents a parabola.
Finding 6x^2 - 2x + 1 = 0, means that you need to find the zeroes of the equation.
Δ = b^2 - 4ac
If Δ>0, the equation admits 2 zeroes and 6x^2 - 2x + 1 = 0 exists for 2 values of x.
If Δ<0, the equation doesn't admit any zero, and 6x^2 - 2x + 1 = 0 doesn't exist since the parabola doesn't intersect with the axe X'X
If Δ=0, the equation admits 1 zero, which means that the peak of the parabola is touching the axe X'X.

In 6x^2 - 2x + 1, a=6, b=-2, and c =1.
Δ= b^2 - 4ac
Δ=(-2)^2 - 4(6)(1)
Δ= 4 - 24
Δ= -20
Δ<0 so the parabola doesn't intersect with the Axe X'X, which means there's no solution for 6x^2 - 2x + 1 = 0.

I've added a picture of the parabola represented by this equation under the answer.

Hope this Helps! :)

4 0
3 years ago
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