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raketka [301]
3 years ago
7

If AB has a midpoint, the AB is Select one: a. a line segment b. a line c. a ray

Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
4 0
The answer is a A LINE SEGMENT
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7 is ten times the value of what
MrRissso [65]

Answer:

0.7

Step-by-step explanation:

0.7x10=7

8 0
3 years ago
Question 1
bogdanovich [222]

Answer: The percent of red lights last between  2.5 and 3.5 minutes = 95.44% approx.

Step-by-step explanation:

Given: Mean time = 3 minutes

standard deviation = 0.25 minutes

The probability of red lights last between  2.5 and 3.5 minutes :-

P(2.5

The percent of red lights last between  2.5 and 3.5 minutes = 95.44% approx.

7 0
2 years ago
Please Help - Suppose f(t)=6t−8−−−−√.
Gnoma [55]

(a)\\\\\\\text{Given that,}~~\\\\ f(t) =\dfrac 6{\sqrt{t-8}}\\\\\\\\\implies f'(t) = 6\left[\dfrac{\left(\sqrt{t-8}\right) \cdot 0 - \dfrac 1{2\sqrt{t-8 }}}{\left(\sqrt{t-8}\right)^2}\right]\\\\\\\\\implies f'(t) = -6\left(\dfrac {\dfrac 1{2\sqrt{t-8}}}{t-8}\right)\\\\\\\implies f'(t) = -6\left(\dfrac{1}{2\sqrt{t-8} (t-8)}\right)\\\\\\\implies f'(t) =-\dfrac 3{(t-8)^{\tfrac 32}}

(b)

\text{Given that,}\\\\y=f(t)\\\\\text{Slope of  y,} ~~ f'(t) =-\dfrac 3{(t-8)^{\tfrac 32}}\\\\\text{At point  (33, 6/5)}\\\\\\f'(t) = -\dfrac 3{(33-8)^{\tfrac 32}} = - \dfrac 3{ (25)^{ \tfrac 32}} = - \dfrac 3{5^3} = -\dfrac 3{125}\\\\\\\text{Equation with given points,}\\\\y - \dfrac 65 = -\dfrac 3{125} ( t - 33)\\\\\\\implies y =-\dfrac 3{125} t +\dfrac{99}{125} + \dfrac 65\\\\\\\implies y = -\dfrac 3{125} t +\dfrac{249}{125}

8 0
2 years ago
Write the equation of a line with a slope of 4 and a y-intercept of −3.
stepan [7]
Slope intercept form is always y=mx+b where your m is your slope and your b is your y-intercept. This equation would be D: y=4x-3
8 0
3 years ago
Read 2 more answers
Which value of x makes the equation 2.75(3x - 15) = 8.25 true?
Serhud [2]

Answer:

D

Step-by-step explanation:

2.75(3 x 6 - 15)= 8.25

5 0
3 years ago
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