-2x + 7 < 23 which graph ?

Answer:

11.88571

Step-by-step explanation:

Given the data :

DLH(X) :

20

25

22

23

20

19

24

28

26

29

27

22

26

25

Y:

361

355

376

384

374

311

427.2

387.5

450.8

475.2

462.6

333.3

389.9

445

Using a linear regression calculator, the linear equation obtained is : ŷ = 11.88571X + 109.92143

Where, 11.88571 represents the Coefficient of X, which is the slope, the change in direct labor hours per hour change in Indirect labor expense.

Answer:8x

Step-by-step explanation: Basically 10x and 2x are both x so lets forget about them 10-2 is 8 now we can add back the x. Also when two numbers are both the same variables you can subtract or add like they are whole numbers

Answer:

x≈31.8°

Step-by-step explanation:

[tex]sin(x)=10/19[/tex]

[tex]x=sin^{-1}(10/19)[/tex]

[tex]x=31.75..[/tex]

[tex]x=31.8[/tex]

Answer:

answer is in the picture.

Answer:

1st ∡ = 15.5°

2nd ∡ = 77.25°

3rd ∡ = 87.25°

Step-by-step explanation:

1st ∡:  x

2nd ∡:  y

3rd ∡:  z

Equations we can create from data given in problem:

y + z = 5x

z = 5x + 10

We have enough expressions to create an equation:

x + 5x + 5x + 10 = 180

11x = 170

x = 15.5

y = 5(15.5) = 77.25

z = y + 10 = 87.25

Answer:

30 70 80 Trust

Step-by-step explanation:

Step-by-step explanation:

Area: (2x - 7) * (3*2 + 4x)

(2x - 7) * (6 + 4x)

8x-42

Perimeter: 2(2x - 7) + 2(3*2 + 4x)

Answer:

7) C) 7

8) D) y=-2x+3

Step-by-step explanation:

7) 3x-1/9(27)=18

3x-3=18

3x=21

x=7

8) y=-2x+3

Answer:

hi

Step-by-step explanation:

Answer:

[tex]x^{15/3} =x^{5}[/tex]

Step-by-step explanation:

Answer:

=x⁵

Step-by-step explanation:

It is a rule of indices that [tex]{x^{\frac{a}{b} } }=\sqrt[b]{x^{a} }[/tex]

Therefore:

[tex]\sqrt[3]{x^{15} }[/tex]

= [tex]x^{\frac{15}{3} }[/tex]

=x⁵

Answer:

See below

Step-by-step explanation:

9. Isosceles triangle

10. Right triangle

11. Equilateral triangle

12. Scalene triangle

13. Obtuse angle triangle

Answer:

A, B, E

Step-by-step explanation:

You can put the negative sign on either the numerator or denominator (but not both) and you can also give the simplified answer -2.

Answer:

outliar is23

Step-by-step explanation:

Answer:

6.6

Step-by-step explanation:

Answer:

288

Step-by-step explanation:

If you didnt know a triangle has the area of a square/2

so basically what im saying is the area of that square/2 equals the area of the triangle

to find the area of the square you take 24 and square it

24^2=576

finally we divide that by 2

576/2=288

so the area of the triangle is 288

have a great day :D

Answer:

Piis approximately 3.14.

and

Piis approximately StartFraction 22 over 7 EndFraction

Answer:

C,D,E are the right answers

Answer:

12 and 16.

Step-by-step explanation:

Let both positive numbers be x and y.

3/4 = x/y....... equation 1

x² + y² = 400..... equation 2

From equation 1

3/4 = x/y

Cross multiply

3y = 4x

Divide both sides by 3

y = 4x/3

Substitute y = 4x/3 into equation 2

x² + y² = 400

x² + (4x/3)² = 400

x² + 16x²/9 = 400

Multiply through by 9

9x² + 16x² = 3600

25x² = 3600

Divide both sides by 25

x² = 3600/25

x² = 144

Take the square root of both sides

x = √144

x = 12

Substitute x = 12 into equation 1

3/4 = x/y

3/4 = 12/y

Cross multiply

3y = 12 x 4

3y = 48

Divide both sides by 3

y = 48/3

y = 16

Answer:

r

Step-by-step explanation: its r

Answer: T

Step-by-step explanation:    triangle  c <-> T triangle

stuff must be across from each other

Answer:

12-25 = 13

Step-by-step explanation:

Answer:

240.52 m square is your answer

Answer:

B

Step-by-step explanation:

area of square=20×21=420 m²

diagonal=√(20²+21²)=√(400+441)=√841=29

radius=29/2

area of circle=π×(29/2)²=841/4  π≈660.52 m²

area of shaded region=660.52-420=240.52 m²

Answer:

The number is -7

Step-by-step explanation:

x + 15 = 8

Answer:

the number is -7

Step-by-step explanation:

do the opposite( sum-number added)

8-15=-7

Answer:

The scale factor is 1/2

Step-by-step explanation:

If the larger one is the original and one angle is 6 but then it gets dilated to 3. It would be 1/2 because 3 is a half of 6.

Answer:

Mean: 8.25

Step-by-step explanation:

*I used a calculator*

Answer:

The correct answer is 80, 190

Answer:

9 and 3

Step-by-step explanation:

if we multiply 9 and 3 we get 27

also when we add 9+3= 12

The angles that are alternate interior angles are; ∠ONQ and ∠MNQ

Alternate interior angles are defined as the angles that are formed when a transversal intersects two coplanar lines.

Now, from the image of this ​ MO and PR are parallel lines as seen online, it is clear that the angles ∠ONQ and ∠MNQ are alternate interior angles

Read more about Alternate Interior Angles at; https://brainly.com/question/24839702

I dont understand you already answered

Answer: I would love to help you but this looks like a test am I'm sure it's to see where you are in learning all I can say is to try your best and if you don't know the answer looks at notes or whatever you have to help hope you have a good day lad.