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Yuri [45]
3 years ago
15

A snowstorm started a midnight. For the first 4 hours, it snowed at an average of one-half inch per hour. The snow then started

to fall at an average rate of one inch per hour for the next 6 hours. Then it stopped snowing for 3 hours. Then it started snowing agains at an average rate of one-half inch per hour for the next 4 hours until the storm was over. Determine the average rate of snowfall over the length of the storm. State the rate to the nearest hundredth of an inch per hour.
Mathematics
1 answer:
Brut [27]3 years ago
7 0
The answer rounded would be .83. I got this by writing out the equation each hour. For example, 1/2+1/2+1/2+1/2+6+1/2+1/2+1/2+1/2+0+0+0 = 10. Then, to find the average you divide them out by the amount of numbers. This would give you 10 divided by 12.
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A swimmer is racing to the other side of the
kiruha [24]
Either B or C. They look exactly the same but I can’t tell because the photo is blurry

y intercept is 75 and x intercept is 75/2.5=30
4 0
3 years ago
I need help now!!!!! plzzz​
kkurt [141]

Answer: The answers are in the steps.

Step-by-step explanation:

1. The ratio of monkeys to bananas  4 : 6.

2.  6/4 = 1.5  each monkey gets to eat 1 and a half banana.

3. Since there are 4 monkeys and 6 bananas it means that there are 10 total outcomes.  so the chance of pulling monkey is 4/10 which reduces to  2/5.

4. The chance of pulling a banana is 6/10 which reduces to 3/5

5. The ratio of gallons of water to monkeys is  9 : 4.

8 0
4 years ago
Tina wants to save money for school. Tina invests $400 in an account that pays an interest rate of 7.5%.
Over [174]
Here's the given:
P=$400
i=7.5%
A=$8500

The formula used for this problem is:
A = P(1+i)^t

Manipulating the equation to arrive at t, we have:
t = ln(A/P) / ln(1+i)

Plugging in values:
t = ln($8500/$400) / ln(1+0.075)
<span>t = 42.26 years</span>
7 0
3 years ago
Which of the following equations is used to find the value of c (the distance to the foci) for an ellipse? 
Reika [66]

The equation of ellipse:

\dfrac{(x-h)^2}{a^2}+\dfrac{(y-k)^2}{b^2}=1

The formula of c (the distance to the foci)

c^2=a^2-b^2\qquad|\text{add}\ b^2\ \text{to the both sides}\\\\c^2+b^2=a^2

<h3>Answer: c² + b² = a²</h3>
4 0
3 years ago
In the arithmetic sequence {13, 6,-1,-8,...}, what is the common difference?
pav-90 [236]

════════ ∘◦❁◦∘ ════════

<h3>Answer = -7</h3>

════════════════════

<h3>Known</h3>

a = 13

U2 = 6

U3 = -1

U4 = -8

════════════════════

<h3>Question</h3>

d = ..?

════════════════════

<h3>Way to do </h3>

#since it gives a lot of number, i will just pick one of the nth term, ill choose U2

Un = a + (n-1)d

U2 = 13 + (2-1)d

6 = 13 + d

6 - 13 = d

d = -7

════════════════════

<h3>Note</h3>

• The formula of arithmetic sequence

<h2>Un = a + (n-1)d</h2>

n = nth term

a = first term

d = common difference

════════════════════

7 0
3 years ago
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