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2 years ago

15

A bag contains three red marbles, three blue marbles, and three yellow marbles. You randomly pick three marbles without replacem

ent. The first marble is red, the second marble is blue, and the third marble is red.

1 answer:

luda_lava [24]2 years ago

7 0

Answer:

first one is yellow

Step-by-step explanation:

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The Ribys spent 5625 for 4.5 acres of land Find the price per acre

Margarita [4]

We can find the price per arc by dividing the total price by the amount of arc.
so in this case
5625 is the total money spent
and 4.5 is what they get when spending that amount of money
5625 / 4.5
= 1250
The price per arc is $1250
therefore, the answer is $1250.

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2 years ago

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What is the equation of the line parallel to x = 7, passing through the point (-4, 1)? A. X = -4 B. X = 1 C. Y = -4 D. Y = 1

77julia77 [94]

Answer:

x=-4

Step-by-step explanation:

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Cooommmon guys help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!plz

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The point-slope form:

$y-y_1=m(x-x_1)\\\\m=\dfrac{y_2-y_1}{x_2-x_1}$

We have the points (5, -3) and (-2, 9). Substitute:

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3 years ago

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Which number represents the value of the quotient below?

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$\dfrac{5.0\cdot10^8}{2.0\cdot10^4}=\dfrac{5}{2}\cdot10^{8-4}=\boxed{2.5\cdot10^4}\\\\Used:\\\\\dfrac{a^n}{a^m}=a^{n-m}$

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3 years ago

a bean plant grows at a constant rate for a month. after 10 days, the plant is 30 centimeters tall. after 20 days, the plant is

ANTONII [103]

Answer:

$(y-30)=2(x-10)$

Step-by-step explanation:

We have been given that a bean plant grows at a constant rate for a month. after 10 days, the plant is 30 centimeters tall. after 20 days, the plant is 50 centimeters tall.

First of all we will find slope of our line using given points.

$m=\frac{y_2-y_1}{x_2-x_1}$

Upon substituting coordinates of our given points in slope formula we will get,

$m=\frac{50-30}{20-10}$

$m=\frac{20}{10}=2$

Therefore, slope of our given line is 2.

Since the equation of a line in point slope form is $(y-y_1)=m(x-x_1)$ .

Upon substituting m=2 and coordinates of one point in above equation we will get,

$(y-30)=2(x-10)$

Therefore, the equation that models the height of the plant (y) after x days will be $(y-30)=2(x-10)$ .

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2 years ago

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