David is preparing for a dance competition. He needs to practice for 14 hours in 5 days. Which of the following statements show that David is practicing according to the required rate?

A.
55 hours in 10 days
B.
67 hours in 12 days
C.
28 hours in 10 days
D.
22 hours in 15 days

Answer:

2z-6

Step-by-step explanation:

2(z-3)

2(z)-2(3)=2z-6

Answer:

The rate of change would be y^2-y^1/x^2-x^1. So in this cause the answer is 10.5/3.

Step-by-step explanation:

I said it.

Answer:

840 ways

Step-by-step explanation:

From the above question, we are told that order matters, hence, to solve the above question, we use the Permutation formula.

P(n, r) = nPr = n!/(n -r)!

From the above question,

Since Jose is included in the 8 people and he takes the first seat

n = 8 - 1 = 7 people

r = 5 - 1 = 4 seats

This is because, once Jose takes the first seat, there are 4 seats left with 7 people waiting to be seated

Hence,

7P4 = 7!/(7 - 4)!

7P4 = 7!/3!

7P4 = 5040/6

7P4 = 840 ways

Answer:

840

Step-by-step explanation:

edg 2021

9514 1404 393

Answer:

  angle 4

Step-by-step explanation:

"Alternate" means the angles are on opposite sides of the transversal. "Exterior" means the angles are outside (not between) the parallel lines. The diagram shows the alternate exterior angles are angle 8 and angle 4.

Answer:

square and rectangle

Step-by-step explanation:

Answer:

Squares, Trapezoids, Rhombuses, Kites, Parellelograms, or Rectangles

Step-by-step explanation:

"Quad" means that there is 4 sides on something, and all of these shapes have 4 sides, so obviously, that means they are quadrilaterals.

Answer:

6,150

Step-by-step explanation:

Answer:

Step-by-step explanation:

answer 0.6 multiply 3 by 0.2 and you get 0.6! thats what i understood sorry if im rong

Answer

$27

Step-by-step explanation:

12/4=3

3x9=27

Answer:

72

Step-by-step explanation:

1 Yard is 3 Feet

Since we know this we Multiply 3 by 24.

Hope this helps   ▼・ᴥ・▼

Answer:

72ft

Step-by-step explanation:

1 yd = 3ft

so you would do 24 times 3 to get 72

Answer:

x= 3

Step-by-step explanation:

12x-12x= 2x 1+5=6

2x=6

x=3

Answer: x=3

Step-by-step explanation:

(10x+1)=(12x-5) (you make them equal because they are vertical)

-2x+1=-5

-2x=-6

x=3

I'm not really sure but I tried, sorry.

Step-by-step explanation:

you'll substitute x for -2

g(-2) = -4 *(-2) - 17 = 8 - 17 = -9

hope i helped :)

Answer:

(0, 4 ) and ( [tex]\frac{1}{2}[/tex], [tex]\frac{13}{2}[/tex] )

Step-by-step explanation:

Given the2 equations

y = 4x² + 3x + 4 → (1)

y = 5x + 4 → (2)

Substitute y = 4x² + 3x + 4 into (2)

4x² + 3x + 4 = 5x + 4 ( subtract 5x + 4 from both sides )

4x² - 2x = 0 ← factor out 2x from each term

2x(2x - 1) = 0

Equate each factor to zero and solve for x

2x = 0 ⇒ x = 0

2x - 1 = 0 ⇒ 2x = 1 ⇒ x = [tex]\frac{1}{2}[/tex]

Substitute these values into (2) for corresponding values of y

x = 0 : y = 5(0) + 4 = 0 + 4 = 4 ⇒ (0, 4 )

x = [tex]\frac{1}{2}[/tex] : y = [tex]\frac{5}{2}[/tex] + 4 = [tex]\frac{13}{2}[/tex] ⇒ ([tex]\frac{1}{2}[/tex], [tex]\frac{13}{2}[/tex] )

Answer:

hello.....................

Step-by-step explanation:

Answer:

3,570

Step-by-step explanation:

why did you not look it up on the internet lol

Answer:

30 seconds

Step-by-step explanation:

210 divided by 7 is 30

Answer:

2/5 and 4/7

Step-by-step explanation:

answer is x={7,8,9...}

note= (-5 when u take to other side it will become positive)

Answer:

5/6

Step-by-step explanation:

It would be 5/6 because there are 5 possible answers other than 3 making it 5/6

Answer:

75$

Step-by-step explanation:

[tex]500(0.15) = 75[/tex]

Im not sure I understand sorry! Try looking it up or looking closer at the directions!

Step-by-step explanation:

the answer is :

m<QRT =34°

Answer:

Please check the explanation.

Step-by-step explanation:

Given the points

Using the formula  to determine the slope between (x₁, y₁) and (x₂, y₂) of the linear function

Slope = m =  [y₂ - y₁] /  [x₂ - x₁]

For example, let the points be

(x₁, y₁) = (1, 2)

(x₂, y₂) = (3, 4)

Determining the slope between

Slope = m =  [y₂ - y₁] /  [x₂ - x₁]

               =  [4 - 2] / [3 - 1]

               = 2 / 2

               = 1

Thus,

The slope of the line between the points (1, 2)  and (3, 4)  will be: m = 1

Answer:

P( 7 doughnuts or hot chocolate)=0.40

Step-by-step explanation:

From the question we are told that

Total number of plates [tex]n=10[/tex]

1)Generally the probability that you get 7 doughnuts and hot chocolate is mathematically given as

7 doughnuts and hot chocolate= 1 slot

Therefore

P( 7 doughnuts and hot chocolate)= 1/10

P( 7 doughnuts and hot chocolate)= 0.10

2)Generally the probability that you get 7 doughnuts or hot chocolate is mathematically given as

P( 7 doughnuts or hot chocolate)=P(7 doughnuts)+P(hot chocolate)-P( 7 doughnuts and hot chocolate)

1 plates contains 7 doughnuts

P(7 doughnuts)=1/10

P(7 doughnuts)=0.10

4 plates contain hot chocolate

P(hot chocolate)=4/10

P(hot chocolate)=0.4

7 doughnuts and hot chocolate= 1 slot

P( 7 doughnuts and hot chocolate)= 1/10

P( 7 doughnuts and hot chocolate)= 0.10

Therefore

P( 7 doughnuts or hot chocolate)=0.10+0.4-0.10

Therefore

P( 7 doughnuts or hot chocolate)=0.40

The probability of getting 7 doughnuts or hot chocolate is 0.4

Answer:

3:2

Step-by-step explanation

hope this is correct! have a good day!! c:

Answer:

i think the answer is B.4

Answer: 24a+16

Step-by-step explanation:

Answer:

=24a+16

Step-by-step explanation:

Let's first take our problem-

−8(−3a−2)

Simplify -

=(−8)(−3a+−2)

=(−8)(−3a)+(−8)(−2)

And you get your answer-

=24a+16

Answer:

4x + 7

Step-by-step explanation:

add the x's then regular numbers

Answer: 22

Step-by-step explanation: