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topjm [15]
3 years ago
6

An ounce is equal to about 28 g. If 1 g of soil contains 2.5 billion bacteria, how many bacteria are in 1 oz of soil?

Mathematics
1 answer:
Nimfa-mama [501]3 years ago
5 0

Answer:

About 700 billion bacteria

Step-by-step explanation:

Given

1oz \approx 28g

1g = 25\ billion\ bacteria

Required

Number of bacteria in 1 oz

1g = 25\ billion\ bacteria

Multiply both sides by 28

28 * 1g = 25\ billion\ bacteria * 28

28g = 700\ billion\ bacteria

Recall that

1oz \approx 28g

This means:

1oz \approx 700\ billion\ bacteria

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atroni [7]
The answer is = -3, hope this helps!
7 0
3 years ago
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The question that follows this graph is:
azamat

Answer:

S'(5,-1), M'(1,-3)

Step-by-step explanation:

So, if the rotation is clockwise, the formula is (x,y)--->(-x,-y).

The original points are, (-1,3) and (-5,1).

Using the formula,

(-1,3) ----> (1,-3)

(-5,1) ----> (5,-1)

For the question in the image, the reflection over the x-axis is..

S'(-5,1) ---> (-5,-1)

M'(1,-3) ---> (-1,-3)

6 0
3 years ago
Help math 50 points!!!!!!!!!!!!
morpeh [17]
A. Hope I helped.......
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2 years ago
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Please help 21 points!!!!!
harina [27]

Step-by-step explanation:

The measure of angle y is 62°.

I solve this by

We know: Measures of interior angles in a triangle add up to 180°.

Therefore we have the equation:

60° + 58° + y = 180°

118° + y = 180°         <em>subtract 118° from both sides</em>

118° - 118° + y = 180° - 118°

y = 62°

The measure of angle x is 122°.

I solve this by

Angles 58° and x are supplementary angles.

Supplementary angles add up to 180°.

Therefore we have the equation:

x + 58° = 180°            <em>subtract 58° from both sides</em>

x + 58° - 58° = 180° - 58°

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8 0
3 years ago
Un abuelo quiere repartir una cierta cantidad de manera proporcional entre sus tres nietos de 14, 10 y 6 años de edad ¿A quién l
stira [4]

Answer:

El nieto de 14 años de edad recibirá la mayor cantidad.

Step-by-step explanation:

En este problema, debemos tener en mente que la cantidad aportada es directamente proporcional a la edad de quien recibe, esta cantidad es igual al producto de la cantidad total y la razón de la edad de quien recibe y la suma de todas las edades.

Bajo este razonamiento, podemos concluir que el nieto de 14 años de edad recibirá la mayor cantidad.

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3 years ago
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