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Arisa [49]
3 years ago
14

Help with 4 please thank you

Mathematics
1 answer:
never [62]3 years ago
3 0

Answer:

=3x^2+4

Step-by-step explanation:

Subtract 8 from 12.

3x^2+4

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Find the measure of the indicated angle. Round to the nearest degree.
slava [35]

Answer:

Step-by-step explanation:

Use SOH CAH TOA to recall how the trig functions fit on a triangle

SOH: Sin(Ф)= Opp / Hyp

CAH: Cos(Ф)= Adj / Hyp

TOA: Tan(Ф) = Opp / Adj

5)

Adj = 14

Hyp = 26

∠X

so use

CAH

Cos(X) = 14/26

X = arcCos(14/26)

X = 57.421°

X = 57.4 ° ( rounded to nearest 10th )

6)

∠X

Hyp = 46

Opp = 12

use SOH

Sin(x) = 12/46

X = arcSin(12/46)

X = 15.121°

X = 15.1 ° ( rounded to nearest 10th )

7)

∠X

Adj = 29

Opp = 24

use TOA

Tan(x) = 29 / 24

X = arcTan( 29 /24)

X = 50.389

X = 50.4 °  ( rounded to nearest 10th )

8)

∠X

Adj = 22

Opp = 6

use TOA agian

Tan(x) = 6 / 22

X = arcTan(6/22)

X = 5.194

X = 5.2 °  ( rounded to the nearest 10th )

:)

8 0
3 years ago
Which represents the solution(s) of the graphed system of equations, y = –x2 + x + 2 and y = –x + 3? (1, 2) (1, 2) and (0, 3) (–
max2010maxim [7]
Y = -x^2 + x + 2
y = -x + 3

-x + 3 = -x^2 + x + 2
x^2 - x - 2 - x + 3 = 0
x^2 -2x + 1 = 0
(x - 1)(x - 1) = 0

x - 1 = 0      y = -x + 3
x = 1           y = -1 + 3
                   y = 2

solutions are : (1,2) , (1,2)


5 0
3 years ago
Read 2 more answers
Is a home an asset or liability
nexus9112 [7]
Asset is what I think it is
7 0
3 years ago
Read 2 more answers
How to solve 5x+8y=14 And 4x=24 by substitution
Virty [35]
5x+8y=14 \\ 4x=24 \\ \\ \hbox{solve the 2nd equation for x:} \\ 4x=24 \\
x=6 \\ \\
\hbox{substitute 6 for x in the 1st equation:} \\
5 \times 6+8y=14 \\
30+8y=14 \\
8y=14-30 \\
8y=-16 \\
y=-2 \\ \\ \hbox{the answer:} \\ x=6 \\ y=-2
3 0
3 years ago
20x+5y=-15 solve for y
lilavasa [31]
Okay, so we have 20x+5y=-15.

To find y, let's plug in 0 for x, that way we have 20(0)+5y=-15.

Now do 20(0) and we have the equation: 5y=-15

divide both sides by 5 and we get y=-3!


7 0
2 years ago
Read 2 more answers
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