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kkurt [141]
3 years ago
5

Pedro fez a seguinte crítica: "O gráfico traz números absolutos, indicando que São Paulo tem muito mais mortes no trânsito que N

ova York. Porém, seria necessário considerar o tamanho da população, para ter certeza de que a situação é pior em São Paulo. Por exemplo, São Paulo tinha cerca de 12 milhões de habitantes à época e, portanto, esse total de 1152 mortes representa uma taxa de 9,6 mortes a cada cem mil habitantes. Qual seria essa taxa no caso de Nova York?" Para fazer a verificação sugerida por Pedro, precisamos considerar que Nova York tinha cerca de 8,3 milhões de habitantes à época. Então, concluiremos que a taxa de mortes a cada cem mil habitantes nessa cidade era, aproximadamente,
Mathematics
1 answer:
pochemuha3 years ago
7 0

Answer:

i dont speak spanish

Step-by-step explanation:

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Eight times the sum of a number and 4 equals 3
BigorU [14]

The algebraic expression is:8(x+4)=3

And Value of x is: x=\frac{-21}{8}

Step-by-step explanation:

We need to write the expression of the statement:

Eight times the sum of a number and 4 equals 3

Let the number = x

The expression will be:

8(x+4)=3

Solving the expression to find value of x:

8(x+4)=3\\8x+24=3\\Adding\,\,-24\,\,on\,\,both\,\,sides:\\8x+24-24=3-24\\8x=-21\\x=\frac{-21}{8}

So, The algebraic expression is:8(x+4)=3

And Value of x is: x=\frac{-21}{8}

Keywords: Algebraic Expression

Learn more about Algebraic Expression at:

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3 years ago
For the given line segment, write the equation of the perpendicular bisector.
Jlenok [28]

Answer:

D) y = -4/5x – 47/10

Step-by-step explanation:

Step 1. Find the <em>midpoint of the segmen</em>t.

The two end points are (-6, -4) and (-2, 1).

The midpoint is at the average of the coordinates.

(xₚ, yₚ) = ((x₁ + x₂)/2, (y₁ + y₂)/2)

(xₚ, yₚ) = ((-6 - 2)/2, (-4 + 1)/2)

(xₚ, yₚ) = (-8/2, -3/2)

(xₚ, yₚ) = (-4, -3/2)

===============

Step 2. Find the <em>slope (m₁) of the segment</em>

m₁ = (y₂ - y₁)/(x₂ - x₁)

m₁ = (1 - (-4))/(-2 - (-6))

m₁ = (1 + 4)/(-2 + 6)

m₁ = 5/4

===============

Step 3. Find the <em>slope (m₂) of the perpendicular bisector </em>

m₂ = -1/m₁

m₂ = -4/5

====================

Step 4. Find the <em>intercept of the perpendicular bisector</em>

y = mx + b

y = -(4/5)x + b

The line passes through (-4, -3/2).

-3/2 = -(4/5)(-4) + b

-3/2 = 16/5 + b      Multiply each side by 10

 -15 = 32 + 10 b    Subtract 32 from each side

 -47 = 10b             Divide each side by 10

    b = -47/10

===============

Step 5. Write the <em>equation for the perpendicular bisector</em>

y = -4/5x – 47/10

The graph shows the midpoint of your segment at (-4, -3/2) and the perpendicular bisector passing through the midpoint and (0, -47/10).

4 0
3 years ago
In the spelling bee contest, Jan answered 6 out of 8 questions correctly, Kara answered 78% of her questions correctly, and Bett
eduard

Answer:

2/5 = 40%

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Step-by-step explanation:

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2 years ago
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What expression is equivalent to 5(2x-7)
yarga [219]

Answer:10x-35

Step-by-step explanation:

5(2x-7)

Clear bracket

10x-35

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3 years ago
Help. integrated math 2A
LUCKY_DIMON [66]
Here are the pairing:

The first tile should be paired with 4th property

The second tile should be paired with the 1st property

The third tile should be paired with the 3rd property

The fourth tile should be paired with the 2nd property
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