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4 years ago

Plz help me im stuck

Mathematics

1 answer:

kari74 [83]4 years ago

5 0

Answer:

x = 50 ounces

Step-by-step explanation:

call the capacity of bottle x ounce

Anna has a water bottle that is half full. -> x/2

After she drinks 15 fluid ounces from the bottle, it is only one-fifth full

-> (x/2)-15 = x/5

-> 3x/10 = 15

-> x = 50 ounces

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Mariana [72]

The answer will be 0.000316 moles

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3 years ago

Which description is correct for the polynomial −5x^3−4x+1 ?

Margaret [11]

The answer is cubic trinomial because the highest exponent is 3 which makes it a cubic function and there are 3 terms which makes it a trinomial

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4 years ago

assume the probability of having a boy or a girl is the same. what is the probability of have a boy then a girl then another gir

NNADVOKAT [17]

Answer:

$\dfrac{1}{8}$

Step-by-step explanation:

If the probability of having a boy or a girl is the same, then

the probability of having a boy = a probability of having a girl = 1/2.

Let B denote boy and G denote the girl.

The sample space of having three children is:

BBB, BBG, BGB, GBB, BGG, GBG, GGB, GGG.

The probabilities of each of those events is

$Pr(BBB)=Pr(BBG)=Pr(BGB)=Pr(GBB)=\\ \\=Pr(BGG)=Pr(GBG)=Pr(GGB)=Pr(GGG)=\\ \\=\dfrac{1}{2}\cdot \dfrac{1}{2}\cdot \dfrac{1}{2}=\dfrac{1}{8}.$

5 0

4 years ago

What is the answer?

MArishka [77]

Answer:

im gonna assume they are negatives, if not you can just re-word it.

Step-by-step explanation:

a lake being drained by -20 gallons per hour

a paper airplane falling at -10 feet per minute

an intense workout burning -.1 kilograms per minute

6 0

2 years ago

A line with a slope of 3 passes through the points (-8,f) and (-9,7). What is the value of f

larisa [96]

Answer:

Step-by-step explanation:

Slope can be calculated by:

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

We know M, y1, x2, and x1. We want to calculate for y2

$\frac{f-7}{-8-(-9)} = 3\\\frac{f-7}{1} = 3\\f-7 = 3\\f = 10\\$

3 0

3 years ago

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