Answers
Check the picture below, that'd be more or less the pattern of the sprinklinkg, so when we find it's vertex, we'd find how far along the ground at the maximum and its maximum height.
[tex]h(x)=160x-16x^2\implies h(x)=-16x^2+160x+0 \\\\\\ \textit{vertex of a vertical parabola, using coefficients} \\\\ h(x)=\stackrel{\stackrel{a}{\downarrow }}{-16}x^2\stackrel{\stackrel{b}{\downarrow }}{+160}x\stackrel{\stackrel{c}{\downarrow }}{+0} \qquad \qquad \left(-\cfrac{ b}{2 a}~~~~ ,~~~~ c-\cfrac{ b^2}{4 a}\right)[/tex]
[tex]\left( -\cfrac{160}{2(-16)}~~,~~0-\cfrac{160^2}{4(-16)} \right)\implies \left( \cfrac{160}{32}~~,~~\cfrac{25600}{64} \right) \\\\\\ (\stackrel{\stackrel{\textit{along the ground}}{\downarrow }}{5}~~,~~\underset{\stackrel{\uparrow }{\textit{maximum height}}}{400})[/tex]
well, as you may notice from the picture, the water will hit the ground again when h(x) = 0 or namely y = 0, so let's do that to find out
[tex]h(x)= 160x-16x^2\implies \stackrel{h(x)}{0}= 160x-16x^2 \\\\\\ \stackrel{\textit{common factoring}}{0=16x(10-x)} \implies x = \begin{cases} 0&\leftarrow \textit{hits the ground first}\\ 10&\leftarrow \textit{hits \underline{the ground again}} \end{cases}[/tex]
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Step-by-step explanation:
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a) = 6:55
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a)6:55
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A recipe calls for 5 cups of cashews for 4 cups of flour. Using the same recipe, how many cups of flour will you need for 2 cups of cashews? » How many cups of flour will you need for 2 cups of cashews?
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Answer:
8/5 cups
Step-by-step explanation:
equal 5/4 to 2/x x representing the amount of flour
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divide: x=8/5
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A. 1
B. 5
C. 2
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Answers
Answer:
B. 5
Step-by-step explanation:
Kind of hard to explain why
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Step-by-step explanation:
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83 = 83.0 When you move the decimal place two places to the left you get: 0.83
Hope this helps!
The bed in the bedroom of Melanie's dollhouse is 4 inches long. The bed in Melanie's real bedroom is 6 feet long.
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Answer:
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A.10,4
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Step-by-step explanation:
KERE ON LERNER?
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Answers
The larger number is obtained as 1.3.
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The given decimal numbers are 1.05 and 1.3.
The decimal 1.3 can be written as 1.30.
Now, the two decimals can be compared as below,
1.05 and 1.30
Both the decimals have equal integer part.
Digit at tenths of 1.05 is 0 and for 1.30 is 3.
Since, 3 > 0.
⇒ 1.30 > 1.05
Hence, 1.3 is greater than 1.05.
To know more about decimal number click on,
brainly.com/question/4708407
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If (-3)-5=1/xwhat is the value of x?
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Option A
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if any doubt leave a comment and don't forget to give BRAINLIEST
Please answer and show your work
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Answer:
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Answer:
wth that's hard I can't answer that
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Answers
Answer:
10% 0f 70 is 7
Step-by-step explanation:
70÷10=7
10%=7
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Answers
Step-by-step explanation:
1.2 × 2.8
(2 - 0.8 )(2 + 0.8)
2² - (0.8)²
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19
Step-by-step explanation:
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also:
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Answers
Answer:
Just keep adding 5 for each month.
Step-by-step explanation:
10 + 5 = 15
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20 second
25 third
30 fourth
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Answers
Answer:
x - 4 < 18
Step-by-step explanation:
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Answer:
can you add a pic
Step-by-step explanation:
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Answers
If the temperature decreasing in New York leads to the number of people wearing sweaters increasing, this is Negative correlation.
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Answers
I wrote notes on this question a while ago
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Answers
Answer:
(-7/4, 0) (0, 7)
Step-by-step explanation:
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Answer:
Step-by-step explanation:
Solve
-16+ 20
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Answers
Answer:
C: 4
Step-by-step explanation:
We can rearrange the numbers:
[tex]-16+20=+20-16=20-16=4[/tex]
Answer:
C. 4
Step-by-step explanation:
-16+20 equals 4 becase:
-16 is under zero, and if we add 20 to that, it will take 16 of that 20 to fill up the negative part, and the rest part remaining will be 4. So that four will add up to be the positive number!
Thank You! Please Mark Me Brainliest!
Given 4(3x-8)=52 prove x=7
Answers
Answer:
4(3x-8)=52
divide both sides by 4
4/4(3x-8)=52/4
3x-8=13
add both sides by 8
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divide both sides by 3
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x=7
Step-by-step explanation:
this question got asked three times =)
Answer:
52 is the answer
Step-by-step explanation:
You always work with your paratheses first. Work with your variable(s) to make things easier. Plug in the number given for your variable.
3(7)=21
Subtract the numbers in the paratheses once you have found the number with the variable.
21 - 8 = 13
Last step is to combine the number in the parentheses with the number(s) out of the parentheses. Depending on the equation, the number outside of the parentheses will have to be added/subtracted/multiplied/divided. In this equation, we have to multiply since there´s no given sign for multiplying. You automatically know you have to multiply because the number is right next to the parentheses.
4 * 13 = 54 or 13 * 4 = 54
I hope this helps u! :D
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the question is in the picture
Answers
Answer:
I think it's -4/5
Step-by-step explanation:
3 + -7 = -4
--------------
5
=
-4/5
1
Show that the matrix C = -2
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4-5
--5 6
is symmetric.
3
Answers
if h(x)=5x+2 and g(x) =9x-4 find (h o g) (3)
Answers
Answer:
h(g(x)) = 45x -18
Step-by-step explanation:
h(g(x)) = 5(9x - 4) + 2
= 45x - 20 + 2
= 45x -18
[tex]\text{Given that,}\\\\h(x) = 5x+2 \\\\g(x) = 9x-4\\\\g(3) = 9(3) -4 =27 -4=23\\\\(h \circ g)(3) \\\\=h(g(3))\\\\=h(23)\\\\=5(23) +2 \\\\=117[/tex]
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Evaluate this formula when R1 = 70 ohms and R2 = 125 ohms.
Answers
Answer:
The equivalent resistance of two resistances connected in parallel is given by 1/R = 1/R1 + 1/R2
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Answer:
b and c
Step-by-step explanation:
Answer:
answer of QN 12 is 0.000000000999 and the answer of QN 13 is 30x + 42
10. Petrolyn motor oil is a combination of natural oil and synthetic oil. It contains 3 liters of natural oil for every 4
liters of synthetic oil. In order to make 518 liters of Petrolyn oil, how many liters of natural oil are needed?
Step by step please
Answers
you have the ratio of natural:synthetic so;
3:4
3+4=7
357/7=51
3*51:4°51
153:204
therefore, it'd be 204 litres of synthetic oil!!
i hope this helps you!!