what is 39×45-19÷12=​

Answer:

y= -3/2x+9

Step-by-step explanation:

Well we have to know that to find a line perpendicular to a given line, you have to have opposite slopes. So that makes the equation begin as y=-3/2x because it's opposite of y=2/3x. Then we have to make sure it goes through the point (4,3). To do that, I tweaked the numbers in my graphing calculator and it worked with 9! So the equation is y= -3/2x+9

Answer:

He needs to cut 3/8

Convert: needs 22/8 and has 25/8

Answer:

$1.50

Step-by-step explanation:

5% = 0.05

($30) * (0.05) = $1.50

Answer: $1.50

Explanation:

5%=0.05

30x0.05=1.5

Answer is A.

edited, this is the fixed ones.

Answer:

7=285

8=4.8

9=8

Step-by-step explanation:

mark brainlyest

Answer:Answer:Answer:the change from the table is -q

Step-by-step explanation: 3x-5 = -15

and the other change Is the -21

Answer:

1

[tex]from \: the \: question \\ y =k x - - - (i)\\ where \: k \: is \: the \: constant \: of \: proportionality \\ for \: the \: point \: given \\ y = 12 \: and \: x = 4 \\ from \: (i) \\ 12 = (k \times 4) \\ k = \frac{12}{4} \\ k = 3 \\ substitute \: for \: k \: in \: (i) \\ y = 3x[/tex]

Answer:

$6.50

Step-by-step explanation:

You just have to subtract the 2 so you get $6.50 which is how much he needs to earn

Answer:

$6.5

Step-by-step explanation:

all you have to do is find the difference between the two values

15.75-9.25=6.5

Answer:

y = 2x + 14

Step-by-step explanation:

Equation in slope intercept form:

y = mx + c

From the scenario above ;

y = total miles = 30

Average mile gain per week = slope (m) = 2

Number of weeks (x) = 8

We can obtain intercept, c :

30 = 2(8) + c

30 = 16 + c

30 - 16 = c

14 = c

Hence,

Equation goes thus ;

y = 2x + 14

Answer:

[tex]\sqrt\frac{2+\sqrt{2}}{2-\sqrt{2}}[/tex]

Step-by-step explanation:

correct on edge2020

The required exact value of tan(67.5°) is -2 + √(2).

If you know the lengths of two sides of a right triangle, you can use trigonometric ratios to calculate the measures of one (or both) of the acute angles.

Here,
The exact value of tan(67.5°) can be found using the half-angle identity for the tangent, which states that:

tan(x/2) = (1 - cos(x)) / sin(x)

We can use this identity with x = 135 degrees since 67.5 degrees is half of 135 degrees. So:

tan(67.5°) = tan(135°/2) = (1 - cos(135°)) / sin(135°)

We can then use the following exact values:

cos(135°) = -√(2)/2

sin(135°) = -√(2)/2

Substituting these values, we get:

tan(67.5°) = (1 + √(2)/2) / (-√(2)/2)

Rationalizing the denominator, we get:

tan(67.5°) = -2 + √(2)

Therefore, the exact value of tan(67.5°) is -2 + √(2).

Learn more about trig ratios here:

https://brainly.com/question/14977354

#SPJ6

Answer:

124

Step-by-step explanation:

63 +31 is 93 +31 is 124

Answer:

Answer:

124

Step-by-step explanation:

63 +31 is 93 +31 is 124

Answer:

D

Step-by-step explanation:

Answer:

the answer to your question is D

Step-by-step explanation:

hope this helps

Answer:

You would do l*w which would be 144. Then, since there are 7 identical tiles, you would multply that by 7. The answer is 1008. :D

Step-by-step explanation:

Answer:

2.75x(1023)

=2.75*x*1e+23

=2.7499999999999997e+23*x

=2.7499999999999997e+23x

Step-by-step explanation: Hope this help

Answer: 64

Step-by-step explanation: Hopes this help

Answer:

35.09

Step-by-step explanation:

From the question given above, the following data were:

Opposite = 12

Hypothenus = X

Angle θ = 20 °

The value of x can be obtained by using sine ratio as illustrated below:

Sine θ = Opposite / Hypothenus

Sine 20 = 12 / X

0.342 = 12 / X

Cross multiply

0.342 × X = 12

Divide both side by 0.342

X = 12 / 0.342

X = 35.09

Thus, the value of X is 35.09

Answer: ??

Step-by-step explanation:

Show the graph pls

Answer: $118.00

Step-by-step explanation:

Answer:

18.8 I'm not sure though

Answer:

Area of shape = 120 m²

Step-by-step explanation:

Given:

Height of triangle joint = 4 m

Base = 12 m

Width = 8 m

Find:

Area of shape

Computation:

Area of shape = Area of triangle + Area of rectangle

Area of shape = (1/2)(Base x height) + [Base x Width]

Area of shape = (1/2)(12 x 4) + [12 x 8]

Area of shape = 24 + 96

Area of shape = 120 m²

Answer:

The correct answer is d.

Step-by-step explanation:

Answer:

D

Step-by-step explanation:

m divided by 5 is the same as m/5

Answer:

5x + y = 8

Step-by-step explanation:

Given the equations:

x+3y=10 ____ (1)

2x−y=−1 ____ (2)

Multiply (2) by 2

2(2x - y = - 1) = 4x - 2y = - 2

4x - 2y = - 2 - - - (3)

Add (1) and (3)

4x - 2y = - 2

x + 3y = 10

___________

5x + y = 8

_________

Answer:

5x + 3y = 6

Step-by-step explanation:

Answer:

6 meters per seccond

Step-by-step explanation:

Answer:

whats the question?

Step-by-step explanation:

Answer:

Length of the bold arc = 72.63 ft

Step-by-step explanation:

Length of the arc = [tex]\frac{\theta}{360}(2\pi r)[/tex]

Here, θ = angle subtended by the arc at the center

r = Radius of the circle

Since, angle subtended by the bold arc at the center = 360 - 73

                                                                                         = 287°

And radius of the circle 'r' = 14.5 ft

By substituting these values in the formula,

Length of the bold arc = [tex]\frac{287}{360}\times (2\pi)(14.5)[/tex]

                                     = 72.632

                                     ≈ 72.63 ft

Therefore, length of the bold arc = 72.63 ft

Answer:

3^2+4^2=7^2

√7^2

7

Answer:  c= 5

Given a=4 and b=3,

c = 5

Step-by-step explanation: Given a=4 and b=3,

c = 5

∠α = 53.13° = 53°7'48" = 0.9273 rad

∠β = 36.87° = 36°52'12" = 0.6435 rad

area = 6

perimeter = 12

h =  

12

5

= 2.4

9514 1404 393

Answer:

  x = {-0.2, 6.2}

Step-by-step explanation:

The values that go into the quadratic formula are a = 1, b = -6, c = -1.

  [tex]x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}=\dfrac{-(-6)\pm\sqrt{(-6)^2-4(1)(-1)}}{2(1)}\\\\=\dfrac{6\pm\sqrt{40}}{2}=3\pm\sqrt{10}\\\\\boxed{x\in\{-0.2,\ 6.2\}}[/tex]