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sammy [17]
2 years ago
12

A cube has a surface area of 54 square centimeters.

Mathematics
2 answers:
umka21 [38]2 years ago
6 0

Answer:

27

Step-by-step explanation:

iragen [17]2 years ago
3 0

Answer:27cm^3

Step-by-step explanation:

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Plz help me if u don’t know plz don’t answer I don’t have many points
Olenka [21]

Answer:1st same  2nd same 3rd diffrent 4 the same

Step-by-step explanation:

6 0
3 years ago
Does anyone know what the walking rate is?
Luda [366]

Answer:

Step-by-step explanation:

he average walking speed of a human is 3 to 4 miles per hour, or 1 mile every 15 to 20 minutes. How fast you walk can be used as an indicator of overall health. Several variables contribute to individual differences, including age, sex, and height.

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7 0
3 years ago
Read 2 more answers
3) Differentiate with respect to x: a) (x²-3x+5)(2x-7)​
9966 [12]

Answer:

6x²-26x+31

Step-by-step explanation:

(x²-3x+5)(2x-7)​

=2x³-7x²-6x²+21x+10x-35

=2x³-13x²+31x-35

Now to differentiate:

dx=6x²-26x+31

4 0
3 years ago
Tito receives a weekly salary of ​$450 at an appliance store. He also receives a 4 percent commission on the total dollar amount
Kay [80]
<h2>Hello!</h2>

The answer is:

Tito needs a total of $6500 in sales if he want to receive $710 a week.

The equation is:

TotalAmount=450+Sales*0.04

<h2>Why?</h2>

From the statement we know that his salary is $450 plus a 4% commission on the total amount of all sales he makes.

So, we can write the following equation to determine the total sales in a week if he wants to make a total of $710.

Remember, if we are working with percents, we need to change it to real numbers in order to perform the calculations, we can do it by dividing the percent value into 100.

We have:

TotalAmount=450+Sales*0.04

Now, if he wants to make a total of $710, we have:

750=450+Sales*0.04

750-450=Sales*0.04

Sales=\frac{710-450}{0.04}=6500

We have that Tito needs a total of $6500 in sales if he want to receive $710 a week.

Have a nice day!

3 0
3 years ago
Evaluate 8a - 1 + 0.5b when a= 1/4 and b=10.
nikitadnepr [17]

Answer:

6

Step-by-step explanation:

Substitute 1/4 with 8a. 8/4=2

Next, Substitute 10 for 0.5. 10/2=5

Finally, find the sum

(2-1)+5

6

6 0
2 years ago
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