Answer:
Well.
Step-by-step explanation:
If its 28 km for hour. A quarter of 28 is 7 so then 28+7=35 km.
Answer: 35 Km
28 Km in 60 minutos. How many Km. In 75 minutes (One and one quarter hour =75min)
28/x = 60/75 (cross multiplication)
99/110
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134.04 cm³ (rounded to tenths)
The radius(r) is 4 cm
The height(h) is 8 cm
Using the equation and plugging in the values, you get
k = 13The smallest zero or root is x = -10
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Steps:
note: you can write "x^2" to mean "x squared"
f(x) = x^2+3x-10
f(x+5) = (x+5)^2+3(x+5)-10 ... replace every x with x+5
f(x+5) = (x^2+10x+25)+3(x+5)-10
f(x+5) = x^2+10x+25+3x+15-10
f(x+5) = x^2+13x+30
Compare this with x^2+kx+30 and we see that k = 13
Factor and solve the equation below
x^2+13x+30 = 0
(x+10)(x+3) = 0
x+1 = 0 or x+3 = 0
x = -10 or x = -3
The smallest zero is x = -10 as its the left-most value on a number line.
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<em><u>Hope this helps.</u></em>