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3 years ago

12

What is the equation for the line in slope-

1 answer:

steposvetlana [31]3 years ago

8 0

Answer:

slope =3

y_intercept =_2

y=mx+b

y=3×_2

is the equation of this graph

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the lateral area of a cone is 574 pi cm2. The radius is 19.6 cm. What is the slant height to the nearest tenth of a centimeter?

bulgar [2K]

$\bf \textit{lateral area of a cone}\\\\
LA=\pi r\sqrt{r^2+h^2}~~
\begin{cases}
r=radius\\
\sqrt{r^2+h^2}=slant~height\\
-----------\\
LA=574\pi \\
r=19.6
\end{cases}
\\\\\\
574\pi =\pi (19.6)\sqrt{r^2+h^2}\implies \cfrac{574\pi }{19.6\pi }=\sqrt{r^2+h^2}
\\\\\\
\cfrac{574}{19.6}=\sqrt{r^2+h^2}$

5 0

3 years ago

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Janelle earned a 80% on a test and got 72 points. How many total points were possible on the test

nikdorinn [45]

Answer:

90 points

Step-by-step explanation:

90 x .80 = 72 points

3 0

3 years ago

Evaluate the formula for the perimeter of a parallelogram to solve the problem. Then check all that apply.

lorasvet [3.4K]

Answer:A-B-C-D

Step-by-step explanation:

6 0

3 years ago

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Evaluate the expression |x-10| when x= -8<br><br> a. -8<br> b. -18<br> c. 8<br> d. -18

nordsb [41]

|x-10| when x = -8
| - 8 - 10 | = |-18| = 18 <==

4 0

3 years ago

A comedy show sells lower level tickets for $77 and upper level tickets for $99. On the opening night 2615 tickets were sold for

babunello [35]

Let x represent lower level tickets that cost $77

Let y represent upper level tickets that cost $99

Cost equation: 77x + 99y = 247,071

Tickets equation: x + y = 2615

Using the elimination method, multiply the second equation by -77:

77x + 99y = 247,071

-77x - 77y = -201,355

--> 22y = 45,716

--> y = 2,078

Now plug "y" into either equation and solve for "x". I chose the Tickets equation. x + y = 2615 → x = 2615 - y → x = 2615 - 2078 → x = 537

Answer: lower level = 537 tickets, upper level = 2078 tickets.

7 0

4 years ago

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