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Mekhanik [1.2K]
3 years ago
8

(repost) Can anyone answer these?

Mathematics
1 answer:
drek231 [11]3 years ago
5 0

Answer:

1.) 7 pins

2.)56 ÷ 8 = 7

3.)Each friend gets 4 pens

4.)(4x3)x2 and 4x(3x2)

5.) 100

Step-by-step explanation:

1.) 70 ÷10= 7

2.)28x 2 = 56

4 x 2= 8

3.)6 x 6 = 36

36 ÷ 9= 4

4.)(4 x 3 )x 2 or 4 x (3 x 2)

5.)187-69 =118

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Charlotte walks home from school every day at a rate of
Anna [14]

Answer:

Noah takes 20 minutes to get to his house, that is, 10 minutes less than Charlotte.

Step-by-step explanation:

Since Charlotte walks home from school every day at a rate of 4 miles per hour and it takes her 30-minutes to reach home, while her brother, Noah, runs home from the same school every day at a rate of 6 miles per hour, to determine how many fewer minutes does it take Noah than Charlotte to reach home from school each day the following calculation must be performed:

Charlotte:

4 mph = 4/60 = 0.0666 miles per minute

0.0666 x 30 = 2 miles

So the distance from the school to her house is 2 miles

Noah:

6/60 = 0.1 mile per minute

2 / 0.1 = 20

Thus, Noah takes 20 minutes to get to his house, that is, 10 minutes less than Charlotte.

5 0
3 years ago
Your macaroni and cheese recipe calls for 1 2/3 cups of milk. You're having company and you need to quadruple the recipe. How mu
RSB [31]

Answer:

4 2/3

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Find the solution to this system of equations x+y=1<br> 2x-y+z=1<br> x+2y+z=8/3
drek231 [11]

9514 1404 393

Answer:

  (x, y, z) = (1/3, 2/3, 1)

Step-by-step explanation:

We can use the first equation to write an expression for x that can be substituted into the other equations.

  x = 1 -y

  2(1 -y) -y +z = 1   ⇒   -3y +z = -1

  (1 -y) +2y +z = 8/3   ⇒   y +z = 5/3

Subtracting the first of these equations from the second gives ...

  (y +z) -(-3y +z) = (5/3) -(-1)

  4y = 8/3

  y = 2/3

  z = 5/3 -y = 1

  x = 1 -y = 1/3

The solution is (x, y, z) = (1/3, 2/3, 1).

4 0
3 years ago
It is reported that 72% of working women use computers at work.
VARVARA [1.3K]

Answer:

a

Step-by-step explanation:

the answer is up at the top

6 0
3 years ago
If f(x) = 3x + 2 and g(x) = 2x – 2, what is (f – g)(x)?
DiKsa [7]
I hope this helps you

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3 years ago
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