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bogdanovich [222]
3 years ago
15

Graph the inequality y<-2x+1

Mathematics
1 answer:
S_A_V [24]3 years ago
4 0
Relative easiness.
All we do is graph the line y=-3x+1 as a dotted line, and shade everything to the left of it

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6 The temperature at Wonder Lake is 12°F. During a storm, the temperature changes by -26°F. What is the temperature after the st
hodyreva [135]

Answer:

-14

Step-by-step explanation:

12-26

10-20=10

2-6=4

-14

I may have done this wrong

3 0
2 years ago
Write an equation in point slope form for the line that passes through the given point and is perpendicular to the graph of the
USPshnik [31]

Answer:

y=-3x-8

Step-by-step explanation:

y=1/3x+9

slope is 1/3

perpendicular slope = m

(m)(1/3) = -1

m = -3

Point slope form

(y+2)/(x+2)=-3

y+2=-3x-6

y=-3x-8

4 0
3 years ago
Evaluate: 16<br> A.256<br> B.32<br> C.8<br> D.4
Hitman42 [59]

Answer:

16 ^2 = 256  

16 x 2 = 32  

16 / 2 = 8  

16 / 4 = 4

4 0
3 years ago
Surface area of this cone
Furkat [3]

Answer:

1041.27

Step-by-step explanation:

A=πrl+πr2

l=r2+h2

Solving forA

A=πr(r+h2+r2)=π·12·(12+102+122)≈1041.26829

6 0
2 years ago
Read 2 more answers
Solve using algebraic equation: <br> 5sin2x=3cosx<br><br> (No exponents)
DaniilM [7]
5\sin2x=3\cos x\iff10\sin x\cos x=3\cos x

by the double angle identity for sine. Move everything to one side and factor out the cosine term.

10\sin x\cos x=3\cos x\iff10\sin x\cos x-3\cos x=\cos x(10\sin x-3)=0

Now the zero product property tells us that there are two cases where this is true,

\begin{cases}\cos x=0\\10\sin x-3=0\end{cases}

In the first equation, cosine becomes zero whenever its argument is an odd integer multiple of \dfrac\pi2, so x=\dfrac{(2n+1)\pi}2 where n[/tex ]is any integer.\\Meanwhile,\\[tex]10\sin x-3=0\implies\sin x=\dfrac3{10}

which occurs twice in the interval [0,2\pi) for x=\arcsin\dfrac3{10} and x=\pi-\arcsin\dfrac3{10}. More generally, if you think of x as a point on the unit circle, this occurs whenever x also completes a full revolution about the origin. This means for any integer n, the general solution in this case would be x=\arcsin\dfrac3{10}+2n\pi and x=\pi-\arcsin\dfrac3{10}+2n\pi.
6 0
3 years ago
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