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Shalnov [3]
3 years ago
7

The data below shows the temperature of the water in a swimming pool over a two week period. Week 1 Day Temperature (°F) Monday

58 Tuesday 48 Wednesday 49 Thursday 61 Friday 58 Saturday 51 Sunday 39 Week 2 Day Temperature (°F) Monday 68 Tuesday 74 Wednesday 73 Thursday 75 Friday 70 Saturday 67 Sunday 63 How many degrees greater is the mean temperature in week 2 than in week 1? a0°
Mathematics
1 answer:
larisa86 [58]3 years ago
3 0

week 158 + 48 + 49 + 61 + 58 + 51 + 39 \\  = 364 \\ 364 \div 7 = 52
week 2
68 + 74 + 73 + 75 + 70 + 67 + 63  \\  = 490 \\ 490 \div 7 = 70
difference
70 - 52 = 18
the difference is 18 degrees between the means
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In Kayllie'srecipe for lemonade, the ratio of lemons to water is 7 to 4. People are complaining that the lemonade is too weak. W
katrin [286]

Answer:

B.) 10 to 5 and D.) 8 to 4.

Step-by-step explanation:

Since we are trying to make the lemon taste stronger, there would need to be more lemons than water. The ratio would need to have a larger difference than 7:4. The difference is 3.

Choice A has a difference of 2. Two is less than 3 so this would taste more watery than lemony. Choice C has a difference of 3. Because we want a <em>stronger</em> lemon taste, this won't work. It would taste the same.

Choice B has a difference of 5. This is greater than 3 so the lemon taste will be stronger. Choice D has a difference of 4, this is also greater than 3 and will also make the taste of lemon stronger.

Hope this helps,

♥<em>A.W.E.</em><u><em>S.W.A.N.</em></u>♥

5 0
3 years ago
A point P is moving along the curve whose equation is y = \sqrt x . Suppose that x is increasing at the rate of 4 units/s when x
Mice21 [21]

Answer:3 units/s

Step-by-step explanation:

Given

y=\sqrt{x}

Point P lie on this curve so any general point on curve can be written as (x,\sqrt{x})

and \frac{\mathrm{d} x}{\mathrm{d} t}=4 units/s

Distance between Point P and (2,0)

P=\sqrt{(x-2)^2+(\sqrt{x}-0)^2}

P at x=3 P=2

rate at which distance is changing is

\frac{\mathrm{d} P}{\mathrm{d} t}=\frac{\mathrm{d} \sqrt{(x-2)^2+(\sqrt{x}-0)^2}}{\mathrm{d} t}

\frac{\mathrm{d} P}{\mathrm{d} t}=\frac{2x-3}{\sqrt{(x-2)^2+(\sqrt{x}-0)^2}}\times \frac{\mathrm{d} x}{\mathrm{d} t}

\frac{\mathrm{d} P}{\mathrm{d} t}=\frac{2\times 3-3}{2\times 2}\times 4=3 units/s

8 0
3 years ago
chegg tell whether each sequence is arithmetic. if the sequence os arithmetic, identify the common difference and find the indic
spin [16.1K]

No, the given sequence is not an arithmetic sequence.

What is Arithmetic Sequence ?

An arithmetic sequence is a list of numbers with a definite pattern. If you take any number in the sequence then subtract it by the previous one, and the result is always the same or constant then it is an arithmetic sequence.

In the above question,

The sequence is 3,5/2,3/2,-3/2,...

Take the 2nd term and minus the 1st term.

Now take the 3rd term and minus the 2nd term.

We can clearly notice that the differences are not same. Hence there is no common difference and therefore it's not an arithmetic sequence

To read about arithmetic sequence click here :

brainly.com/question/27079755

#SPJ4

5 0
1 year ago
I don't get this part can somebody help pls?
meriva

Answer:

the ground level is -2

Step-by-step explanation:

hope this helps

7 0
3 years ago
55565.87 in scientific notation​
mihalych1998 [28]

Answer:

5556587 x 10^-2

6 0
3 years ago
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