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lana [24]
2 years ago
10

If you run 4 1/2 miles in three quarter of an hour, how many miles would you run in two thirds

Mathematics
1 answer:
olga_2 [115]2 years ago
7 0

Answer:4

Step-by-step explanation: each quarter of an hour is 1.5 miles they both can go into 12 so if you multiply 2*4 and 3*4 you get 8/12 and if you multiply 3*3 and 4*3 you get 9/12 then you subtract 9/12 by 8/12 to get so 1/12=1/2 miles so you would subtract 4 1/2 by 1/2 to get 4

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Find the sum of the first 25 terms of the arithmetic sequnce 17,22,27,32.37
ANTONII [103]

Answer:

Step-by-step explanation:

This sequence is adding 5 so

17 22 27 32 37 42 47 52 57 62 67 72 77 82 87 92 97 102 107 112 117 122 127 132 137 = 1925

6 0
3 years ago
Read 2 more answers
Look at screenshot please help
Novosadov [1.4K]
Number 5 is the answer
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2 years ago
37-0 = 37. what is the property used forr this sum?
denis23 [38]
O is the property for the question.
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Slav-nsk [51]
Well hmmm does the graph open upwards or downwards?  well
is a quadratic, if the leading term's coefficient is negative, Down, if positive, Up

a)
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c)
x-intercepts occur, when y = 0, namely y = -x²-4x-3, so setting y to 0
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\bf \begin{array}{lcclll}&#10;0=x^2&+4x&+3\\&#10;&\uparrow &\uparrow \\&#10;&3+1&3\cdot 1&#10;\end{array}\\\\&#10;-----------------------------\\\\&#10;0=(x+3)(x+1)\implies &#10;\begin{cases}&#10;0=x+3\implies &-3=x\\&#10;0=x+1\implies &-1=x&#10;\end{cases}

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d)

now, the y-intercepts, just set x = 0
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now, let's get on to b)

b)   \bf \textit{vertex of a parabola}\\\\&#10;&#10;\begin{array}{lccclll}&#10;f(x)=&-1x^2&-4x&-3\\&#10;&\uparrow &\uparrow &\uparrow \\&#10;&a&b&c&#10;\end{array}\qquad &#10;\left(-\cfrac{{{ b}}}{2{{ a}}}\quad ,\quad  {{ c}}-\cfrac{{{ b}}^2}{4{{ a}}}\right)

and those are the coordinates, notice a = -1, b = -4 and c = -3

now, for

e)

well, all you have to do is, once you have the vertex, pick an x-value on the left-hand-side of the vertex, get they value for "y", or OUTPUT,

then pick another x-value, on the right-hand-side of the vertex, get the "y" value again, and plot away
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1) You can understand and work with other people's results, you can cooperate with other people in production of goods and check their experiments to see if they are correct.

2) It reduces errors since many people work towards specifying it exactly. 
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