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Dennis_Churaev [7]
3 years ago
8

Bob can type 2 letters in 4 hours while Bill can do it in 6 hours. How many hours would it take them to type six letters togethe

r?
Mathematics
2 answers:
love history [14]3 years ago
7 0

Answer:

7.2 or 7 hours and 12 minutes

Step-by-step explanation:

together they type 1.2 letters in 1 hour so  they type 6 in 7.2 hours

jek_recluse [69]3 years ago
3 0

Answer:

Bill makes 1 in 3 hours and if he wanted to make 6 than it would take 18 hours and Bob makes 1 in 2 hours if he wanted to make 6 than it would take 12 hours

Step-by-step explanation:


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Simplify:<br>{15×115-(-3)}(4-4)÷3{5+(-3)×(-6)}​
Maurinko [17]
  • (15×115-(-3)}(4-4)÷3{5+(-3)×(-6)}
  • (1725+3)(0)÷3{5+18}
  • (1728)(0)÷3(23)
  • 0÷69
  • 0
5 0
2 years ago
Read 2 more answers
Can you show the working out
sattari [20]
So first u add 1/4 to 1/4 to get how much each cat eats eats day and combine it:

1/4+1/4=1/2

So her cats eat 1/2 a tin of cat food every day.

Next we will try to find the unit rate:

1/2 • 2 = 1

So it takes her cats 2 days to eat 1 tin multiply 2 by 9 because 9 tins and 2 days for 1 tin

2 • 9 = 18

18 days for 9 tins of cat food is the answer
8 0
3 years ago
I need to find the approximate sum. ​
Bad White [126]

Answer:

135 to nearest whole number.

Step-by-step explanation:

∑ 5(4/3)^(k-1)   from k = 1 to k = 8.

First term = 5 , second term = 5*4/3

This is a Geometric series with first term a1 = 5 and common ratio r  = 4/3.

The sum of n terms = a1(r^n - 1) / (r - 1).

The sum of 8 terms is given by  5 * (4/3)^8 - 1) /  ( 4/3 - 1)

= 135 to the nearest whole number.

7 0
4 years ago
Help with this please, picture above ^
Irina18 [472]

Answer:

y = -3x -2

Step-by-step explanation:

parallel lines have same slope

line d: slope (m) = -3

y intercept (b) = -2

equation y = mx + b      y = -3x -2

8 0
3 years ago
Can y’all help me on question 11?!
tigry1 [53]

Answer:

The correct answer is choice C.

Step-by-step explanation:

To find the area of the arrow, we must add together the areas of the rectangle and the triangle that make up the arrow.  The rectangle has a length of 10 inches and a width of 4 inches, and the triangle has a base of 8 inches and a height of 2 inches.  Using this information, we can plug numbers into the following formula:

Area of arrow = area of rectangle + area of triangle

Area of arrow = (10*4)+(1/2*8*2)

Area of arrow = 40 inches squared + 8 inches squared

Area of arrow = 48 inches squared

Therefore, the correct answer is option C, 48 square units (in this case, inches).

Hope this helps!

4 0
3 years ago
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