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3 years ago

What is the surface area of the figure shown? (Use 3.14 for π.)

Mathematics

2 answers:

dalvyx [7]3 years ago

5 0

The answer is c with a side of bacon hope that helps. :)

valkas [14]3 years ago

3 0

The answer is letter c hope this helps

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9x-8y=0 Graph the following liner equation

k0ka [10]

Y= -9x
---
8

hope this helps

6 0

3 years ago

Read 2 more answers

A(n) = 1 + (n –1)(–5.7)

hammer [34]

Im guessing this is simplify so the answer would be

−5.7n+6.7n
__________
n

6 0

3 years ago

M is the midpoint of AN, A has coordinates

maksim [4K]

Step-by-step explanation:

According to Question , M is the midpoint of AN, A has coordinates (-7,4), and M has coordinates (-4, -1).

Figure :-

$\setlength{\unitlength}{1 cm}\begin{picture}(20,12) \put(4,0.2){\line(0,-1){0.4}}\put(1,0){\line(1,0){6}} \put(3.8,-0.6){$\bf M(-4,-1) $} \put(1,-0.6){$\bf A (-7,4)$} \put(6.8,-0.6){$\bf N(x,y)$} \end{picture}$

Let the coordinates of N be ( x , y )

Now , according to Midpoint Formula , the midpoint of points say A(x , y) and B (x' , y') is given by ,

$\boxed{\blue{ \bf Midpoint =\bigg( \dfrac{x+x'}{2} , \dfrac{y+y'}{2} \bigg) }}$

On using this formula ,

$=> Midpoint = \bigg( \dfrac{x+x'}{2} , \dfrac{y+y'}{2} \bigg) \\ \\ => (-4, 1) = \bigg( \dfrac{x -7 }{2} , \dfrac{y + 4 }{2}\bigg) \\ \\ => -4 = \dfrac{x-7}{2} \\\\ => x - 7 = -8 \\\\ => x = 7 -8 \\\\ \boxed{\red{\sf=> x = -1 }} \\\\ => \dfrac{y+4}{2}=-1 \\\\=> y +4 = -2 \\ \\ y = -4-2 \\\\\boxed{\red{\sf=> y = -6 }}$

8 0

3 years ago

Read 2 more answers

Find the area of the trapezoid. b1=5 b2=7 h=4 PLEASE EXPLAIN TOO!

olga_2 [115]

Step-by-step explanation:

The formula for finding the area of a trapezoid is $\frac{b_{1} + b_{2} }{2}$ ×h

Start by substituting the values given in the problem into the formula

$\frac{5+7}{2}$ ×4

Now Simply/solve

$\frac{12}{2}$ ×4

6×4

The area of the trapezoid is 24 $units^{2}$

I hope this helps!!!

4 0

3 years ago

Read 2 more answers

Please help! Consider the given circle with the shaded sector xy and central angle 225. The circumference is 30 units

OleMash [197]

$\textit{circumference of a circle}\\\\ C=2\pi r~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ C=30\pi \end{cases}\implies 30\pi =2\pi r\implies \cfrac{30\pi }{2\pi }=r\implies \boxed{15=r} \\\\[-0.35em] ~\dotfill$

$\textit{arc's length}\\\\ s = \cfrac{\theta \pi r}{180}~~ \begin{cases} r=radius\\ \theta =\stackrel{degrees}{angle}\\[-0.5em] \hrulefill\\ r=15\\ \theta =225 \end{cases}\implies \widehat{XY}=\cfrac{(225)\pi (15)}{180}\implies \boxed{\widehat{XY}\approx 58.90} \\\\[-0.35em] ~\dotfill\\\\ \textit{area of a circle}\\\\ A=\pi r^2\qquad \qquad A=\pi (15)^2\implies A=225\pi \implies \boxed{A\approx 706.86}$

6 0

3 years ago