All categories

4 years ago

Subtract: 8 – 4 1∕2 .

1 answer:

5 0

Always follow the rules of BOMDAS. (If you don't know them or maybe learned differently tell me).
Firstly multiply 4(1/2) and then substract
8 - 4(1/2)
8 - 2
6
Hope this helps :).

You might be interested in

Aaliyah is starting her own lawn mowing business. Aaliyah has calculated that she needs to earn $721 per week to support her fam

Roman55 [17]

Answer:She will have to charge her customers at least 21 dollars an hour to help her family.

Step-by-step explanation:

7 0

3 years ago

Can someone help me with this one

bonufazy [111]

Answer:

$x(2x+1)(x-2)$

Step-by-step explanation:

$x(2x^2-3x-2)$

$x(2x^2-4x+x-2)$

$x[2x(x-2)+1(x-2)]$

$x(2x+1)(x-2)$

3 0

3 years ago

The difference between a and b is 10. The number a is 4 more than 3 times the number b. Which of the following pairs of equation

k0ka [10]

Answer:

D. a−b=10 a=3b+4

Step-by-step explanation:

Difference between a and b means to subtract b from a

We have,

a-b=10

a is 4 more than 3 times b

4 more than means to add 4

3 times b means to multiply b by 3

Therefore, a=3 times b + 4

a=3b+4

a - b=10; a=3b+4

4 0

4 years ago

An aquarium tank can hold 6300 liters of water. There are two pipes that can be used to fill the tank.The first pipe alone can f

liq [111]

Answer: it will take them 28 minutes to fill the tank.

Step-by-step explanation:

The first pipe alone can fill the tank in 84 minutes. This means that the rate at which the first pipe fills the tank per minute is 1/84

The second pipe can fill the tank in 42 minutes by itself. This means that the rate at which the second pipe fills the tank per minute is 1/42

If they work together, they would work simultaneously and their individual rates are additive. This means that their combined rate of filling the tank would be

1/84 + 1/42

Assuming it takes t hours for both pipes to fill the tank working together, the working rate per minute would be 1/t. Therefore,

1/84 + 1/42 = 1/t

3/84 = 1/t

t = 84/3

t = 28 minutes

6 0

3 years ago

Read 2 more answers

The radar system beeps once every second. How many times will it beep in 3 days?

Colt1911 [192]

Answer:

259200

Step-by-step explanation:

so there are 86400 in one day. multiply by 3.

7 0

3 years ago

Read 2 more answers