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3 years ago

Select the locations on the number line to plot the points 92 and −72. may give brainliest

Mathematics

1 answer:

anyanavicka [17]3 years ago

7 0

Answer:

9/2 and -7/2

we add both answer is 1

so in number line 1 is points

when right so mark me brainlists

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Given the system of linear equations Part A: Graph the system of linear equations. Part B: Use the graph created in Part A to de

KIM [24]

Answer:

where are the numbers

Step-by-step explanation:

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3 years ago

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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)

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

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2 years ago

2 log7 x=log7 27+log7 3

djverab [1.8K]

$Domain:x > 0\\\\2\log_7x=\log_727+\log_73\\\\\text{use}\ \log x^n=n\log x\ \text{and}\ \log x+\log y=\log(xy)\\\\\log_7x^2=\log_7(27\cdot3)\iff x^2=81\to x=\sqrt{81}\to\boxed{x=9}$

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3 years ago

Can someone help!, Evaluate the expression 3 (7 - 4) ➗ 9 <br><br> I Need it in detail

algol [13]

Answer:

your answer is 1

Step-by-step explanation:

you have to first distribute your 3 to the parentheses, which gives you (21-12) so you are then going to subtract 12 from 21. and you get 9. 9 divided by 9 equals 1 so your answer is 1.

(21-12)/9

9/9

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3 years ago

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Sara owns 3/4 of an acre of land. She wants to sell 5/6 of it. What fraction of an acre does she want to sell?

astraxan [27]

Answer:

5/8

Step-by-step explanation:

Sara owns 3/4 of an acre of land. She wants to sell 5/6 of it. What fraction of an acre does she want to sell?

The fraction of the acre of land that Sara wants to sell is calculated as:

= 5/6 of 3/4 of an acre of land

= 5/6 × 3/4

= 5/8 of an acre of land

Therefore, the fraction of an acre that she wants to sell = 5/8

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3 years ago