MATHEMATICS MIDDLE SCHOOL

Please answer this question I need a answer by 12:00 this picture was taken on October 3rd
please answer this question I need a answer by 12:00 - 1

Answers

Answer 1
Answer: 72/6 is 12 which means 12 ounces per steak the unit rate is 12/1 mark brainiest if I helped

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Please help i don't understand

An organic farmer wanted to find out how many eggs a typical hen lays during 1 month. She chose 8 hens at random from the 60 hens she has, then recorded the number of eggs each of the 8 hens laid. Number of eggs: 9, 9, 7, 11, 10, 11, 11, 8 What is an estimate of the mean number of eggs laid in the population of 60 hens?

Answers

average of eggs per month is 9.5 I think

Answer: Its 10 I just took the test :)

Step-by-step explanation:

At the market, 555 light bulbs cost \$9$9dollar sign, 9.
How much do 777 light bulbs cost?

Answers

Question:

At the market, 5 light bulbs cost $9. How much do 7 light bulbs cost?

Answer:

Cost of 7 bulbs is $ 12.6

Solution:

Given that,

5 light bulbs cost $ 9

Find the cost of 1 bulb

Cost of 1 bulb is found by dividing the cost of 5 bulbs by 5

cost\ of\ 1\ bulb = \frac{\text{cost of 5 bulbs}}{5}\n\ncost\ of\ 1\ bulb = (9)/(5)\n\ncost\ of\ 1\ bulb = 1.8

Thus cost of 1 bulb is $ 1.8

Find the cost of 7 bulbs:

cost\ of\ 7\ bulbs = 7 * \text{cost of 1 bulb }\n\ncost\ of\ 7\ bulbs = 7 * 1.8\n\ncost\ of\ 7\ bulbs = 12.6

Thus cost of 7 bulbs is $ 12.6

Answer:

7 bulbs equals 12.6

Step-by-step explanation:

TOVOU, V V VI VIOLIIV VYVIScore: 0.67 of 1 pt
% 6.4.20
LMNP is a rectangle. Find the value of x and the length of each diagonal.
LN = 5x + 19 and MP = 8x - 8
x=0

Answers

Question:

LMNP is a rectangle. Find the value of x and the length of each diagonal.

LN = 3x + 1 and MP = 8x – 4

Answer:

Value of x = 9, Length of LN = 64, Length of MP = 64

Solution:

Given LMNP is a rectangle. LN and MP are diagonals.

LN = 5x + 19 and MP = 8x – 8

Diagonals of a rectangle are equal in length.

⇒ LN = MP

⇒ 5x + 19 = 8x – 8

Combine like terms together.

⇒ 19 + 8 = 8x – 5x

⇒ 27 = 3x

Divide by 3 on both sides of the expression, we get

⇒ x = 9

The value of x is 9.

To find the length of the diagonals.

LN = 5(9) + 19

     = 45 + 19

LN = 64

MP = 8(9) – 8

     = 72 – 8

MP = 64

Length of LN = 64 and the length of MP = 64.

What is the solution to the system?-2x + y + 6z = 1
3x + 2y + 5z = 16
7x + 3y – 4z = 11

Answers

Answer:

x = 4, y = -2, z = 3

Step-by-step explanation:

\left\{\begin{array}{ccc}-2x+y+6z=1&(1)\n3x+2y+5z=16&(2)\n7x+3y-4z=11&(3)\end{array}\right\n\n(1)\n-2x+y+6z=1\qquad\text{add}\ 2x\ \text{to both sides}\ny+6z=2x+1\qquad\text{subtract}\ 6z\ \text{from both sides}\ny=2x-6z+1\n\n\text{Substitute it to (2) and (3):}\n\n\left\{\begin{array}{ccc}3x+2(2x-6z+1)+5z=16\n7x+3(2x-6z+1)-4z=11\end{array}\right\qquad\text{use the distributive property}\n\n

\left\{\begin{array}{ccc}3x+4x-12z+2+5z=16&\text{subtract 2 from both sides}\n7x+6x-18z+3-4z=11&\text{subtract 3 from both sides}\end{array}\right\n\left\{\begin{array}{ccc}7x-7z=14&\text{divide both sides by 7}\n13x-22z=8\end{array}\right\n\left\{\begin{array}{ccc}x-z=2&\text{multiply both sides by (-13)}\n13x-22z=8\end{array}\right

\underline{+\left\{\begin{array}{ccc}-13x+13z=-26\n13x-22z=8\end{array}\right}\qquad\text{add both sides of the equations}\n.\qquad\qquad-9z=-18\qquad\text{divide both sides by (-2)}\n.\qquad\qquad \boxed{z=2}\n\n\text{Put it ot the equation}\ x-z=2:\nx-2=2\qquad\text{add 2 to both sides}\n\boxed{x=4}\n\n\text{Put the values of}\ x\ \text{and}\ z\ \text{to the equation}\ y=2x-6z+1:\n\ny=2(4)-6(2)+1\ny=8-12+1\n\boxed{y=-3}

What is the surface of the rectangular prism? A.) 17.5 ft^2
B.) 11.0 ft^2
C.) 12.0 ft^2
D.) 5.5 ft^2

Answers

Answer:  Choice A) 17.5 square feet

Work Shown:

L = length = 4 ft

W = width = 1.5 ft

H = height = 0.5 ft

S = surface area of rectangular prism

S = 2*(L*W + L*H + W*H)

S = 2*(4*1.5 + 4*0.5 + 1.5*0.5)

S = 17.5

The units for the surface are in square feet. This is because surface area is really the combination of all individual areas of each face.

Find the product. (4m^2 – 5)(4m^2 + 5)

Answers

Answer: 16m^4−25


Step-by-step explanation:

(4m^2−5)(4m^2+5)

=(4m^2+−5)(4m^2+5)

=(4m^2)(4m^2)+(4m^2)(5)+(−5)(4m^2)+(−5)(5)

=16m^4+20m^2−20m^2−25

=16m^4−25
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