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Dmitry_Shevchenko [17]
3 years ago
8

Can somebody plz help answer these questions correctly thanks! (Grade7math) btw :)

Mathematics
1 answer:
Monica [59]3 years ago
7 0

Answer:

1. both boxes 3

2. both boxes 7

3. both boxes 5

4. both boxes 2

5. top box 12 bottom 18

6. top box 9 bottom box 11

7. top box 42 bottom box 60

8. top box 4 bottom box 5

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Please help!! I'm really confused
chubhunter [2.5K]

Answer:

(-4,3)

Step-by-step explanation:

G is plotted 4 units left and 3 units up

:) ur welcome

8 0
3 years ago
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A relative asked her aunt that lives in a certain part of the US to send her some money for food expenses in Canada. Her aunt se
scZoUnD [109]

Answer:

$6250

Step-by-step explanation:

if im correct plz can i get a brainliest

8 0
2 years ago
The area of a room is 600 square feet. The length is (x + 5) feet and the width is (x + 4) feet. Find the dimensions of the room
tangare [24]
I'm going to assume that the room is a rectangle.

The area of a rectangle is A = lw, where l=length of the rectangle and w=width of the rectangle. 

You're given that the length, l = (x+5)ft and the width, w = (x+4)ft. You're also told that the area, A = 600 sq. ft. Plug these values into the equation for the area of a rectangle and FOIL to multiply the two factors:
A = lw\\
600 = (x+5)(x+4)\\
600 =  x^{2} + 9x + 20


Now subtract 600 from both sides to get a quadratic equation that's equal to zero. That way you can factor the quadratic to find the roots/solutions of your equation. One of the solutions is the value of x that you would use to find the dimensions of the room:
600 = x^{2} + 9x + 20\\
x^{2} + 9x - 580 = 0\\
(x + 29)(x - 20) = 0\\
x + 29 = 0, \:\: x - 20 = 0\\
x = -29, x = 20

Now you know that x could be -29 or 20. For dimensions, the value of x must give you a positive value for length and width. That means x can only be 20. Plugging x=20 into your equations for the length and width, you get:
Length = x + 5 = 20 + 5 = 25 ft.
Width = x + 4 = 20 + 4 = 24 ft.

The dimensions of your room are 25ft (length) by 24ft (width).
8 0
3 years ago
Read 2 more answers
Solve this with the explanation please
nikitadnepr [17]
  1. yes,
  2. 301 times.

Hope it helps

8 0
2 years ago
How can you select a number between 1 and 1000, where every number has the same likelihood of being selected? please help me i n
aleksandr82 [10.1K]

Answer:

You can do this by rolling dice 4 times

Step-by-step explanation:

If you roll a fair dice 4 times and record the findings and their orders, you can generate 6^4= 1296 possible outcomes. You can pick 1-1000 as numbers and then re-roll all the dice if the number generate 1001-1296  

To translate the dice result into a number you have to multiply the dice result as following:

1st roll multiplied by 6^0 = 1

2nd roll multiplied by 6^1 = 6

3rd roll multiplied by 6^2= 36

4th roll multiplied by 6^3= 216

Let's say you roll 1, 2, 3, 4

The number generated will be: 1*1 + 2 *6 + 3 *36 + 4 *216 = 985

6 0
3 years ago
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