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3 years ago

You use 6 gallons of water on 20 plants in your garden. At that rate, how much water will it take to water 30 plants?

2 answers:

8 0

9 because if you divide 6 by 2 you get 3 and if per 10 plants you have to use 3 gallons then for 30 you'll have to use nine because 3x3 equals 9

lana [24]3 years ago

6 0

9 because every ten plants is equal to 3 gallons. 30 plants are equal to 9 gallons.
tell me if if helps.

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Help please with #3

Alenkasestr [34]

Answer: x = 2a over b + c

Step-by-step explanation:

1. Multiply both sides by two. This cancels out 2 and turns a into 2a. It should look like 2a = bx + cx

2) Since both b and c have x’s, we turn it into (b + c)x

3. Then divide both sides by b+c to get 2a over b + c = x

6 0

2 years ago

A bag contains 2 black balls, 4 yellow balls and 4 white balls. Event A is defined as drawing a white ball on the first draw and

arsen [322]

Answer: $P(B|A)=\dfrac{4}{9}$

Step-by-step explanation:

Given: A bag contains 2 black balls, 4 yellow balls and 4 white balls.

Event A is defined as drawing a white ball on the first draw.

Event B is defined as drawing a black ball on the second draw.

P(B|A) is expressed as the conditional probability of occurring B given that A.

i.e. it is the probability of happening B where A is already happended.

If a white ball is drawn at first, then the number of black ball(4) remains unchanged but the total number of balls (10) will become 9.

$Probability=\dfrac{Number\ of \ favorable \ outcomes}{Total\ outcomes}$

Then, $P(B|A)=\dfrac{4}{9}$

8 0

2 years ago

A check is _____.

torisob [31]

Answer:

Step-by-step explanation:

A check is an I.O.U. or a promissory note.

3 0

2 years ago

Read 2 more answers

Deidre is planting tulips in her garden, and she has 44 red bulbs and 44 purple bulbs to plant in one row. What is the probabili

Mekhanik [1.2K]

Answer:

$P=7.62*10^{-26}$

Step-by-step explanation:

From the question we are told that:

Available plants:

44 red bulbs

44 purple bulbs

Generally the equation for Total possible arrangement is mathematically given by

$n= 88!/(44!*44!)$

$n=2.6*10^{25}$

Since

Its either

All 44 red bulbs and All 44 purple bulbs next to each other in one row

All 44 purple bulbs and All 44 Red bulbs next to each other in one row

Therefore

Probability is

$P=\frac{2}{2.6*10^{25}}$

$P=7.62*10^{-26}$

8 0

2 years ago

if the graph of an exponential function passes through the points (1,6) and (4,48) find an equation of the function

german

When you write an equation of a line, you first have to find the slope. The equation for slope is (y∨2 - y∨1) / (x∨2 - x∨1), so fill that in with your coordinates.

(48 - 6) / (4 - 1) Subtract your two sets.
42 / 3 Divide
14

So, you know the slope of the equation is 14. Now, you fill in the point-slope equation, (y - y∨1) = m(x - x∨1). Fill it in with one set of coordinates and solve.

(y - 6) = 14(x - 1) Distributive Property
y - 6 = 14x - 14 Add 6 to both sides.
y = 14x - 8

4 0

2 years ago

Read 2 more answers