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Molodets [167]
4 years ago
14

What number is exactly half way between 1/9 and 1/3

Mathematics
1 answer:
nata0808 [166]4 years ago
6 0

Answer:

1/5

Step-by-step explanation:

1/9=0.11

1/3=0.33

1/5=0.20

I don't really know the answer but I tried.

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Tanisha, Elicia, and Ajua are cousins. Tanisha is twice as old as Ajua, and Elicia is two years older than Tanisha. The sum of a
AfilCa [17]

Answer:

Step-by-step explanation:

Tanisha, Elicia, and Ajua are cousins. Tanisha is twice as old as Ajua, and Elicia is two years older than Tanisha. The sum of all their ages is 37. Use variable expressions and calculate the age of each girl

Let us represent:

The age of :

Tanisha = a

Elicia = b

Ajua = c

Tanisha, Elicia, and Ajua are cousins. Tanisha is twice as old as Ajua

a = 2c

c = 2/a

Elicia is two years older than Tanisha.l

b = a + 2

The sum of all their ages is 37.

a + b + c = 37

We substitute

a + a + 2 + 2/a = 37

2a + 2 + 2/a = 37

Use variable expressions and calculate the age of each girl

8 0
3 years ago
This is what I have to solve (unit rates)
algol13

Answer:

Books:Dollars = For each book it is $13. (1:13)

Minutes:Beats = For each minute there are 63 beats (1:63)

Step-by-step explanation:

Books and Dollars

  1. 2:26 can be reduced by 2
  2. 1:13

Minutes and Beats

  1. 3:195 can be reduced by 3
  2. 1:63

3 0
3 years ago
A truck can travel 210 miles in the same time it takes a car to travel 350 miles. If the trucks rate is 20 miles per hour slower
nekit [7.7K]

Answer: The speed of the truck is 30 mph.

The speed of the car is 50 mph.

Step-by-step explanation:

Let x represent the speed of the car. If the trucks rate is 20 miles per hour slower than the car's, it means that the speed of the truck is

(x - 20) miles per hour.

Time = distance/speed

The truck can travel 210 miles in the same time it takes the car to travel 350 miles. It means that the time it would take the truck to travel 210 miles is

210/(x - 20)

Also, the time it would take the car to travel 350 miles is

350/x

Since the time is the same, it means that

210/(x - 20) = 350/x

Cross multiplying, it becomes

350(x - 20) = 210x

350x - 7000 = 210x

350x - 210x = 7000

140x = 7000

x = 7000/140

x = 50

The speed of the truck is

x - 20 = 50 - 20 = 30 mph

7 0
4 years ago
4 more than 5 times a
Schach [20]

Answer:

You would write it as:



4+5 x a

Step-by-step explanation:


4 0
4 years ago
write two additional sentences where the sum is negative. in each sentence one added should be positive and the other
Goshia [24]
10 + (-5) = 10 - 5 = 5

-11 + 20 = 20 + (-11) = 20 - 11 = 9

102 + (-1) = 102 - 1 = 101

<span>-20 + 60 = 60 + (-20) = 60 - 20 = 40 </span>
6 0
3 years ago
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