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muminat
4 years ago
8

Evaluate each expression. Show step by step 5(4-1)

Mathematics
2 answers:
djverab [1.8K]4 years ago
5 0

Answer:

15

Step-by-step explanation:

5x4=20

5x-1=-5

20-5=15

levacccp [35]4 years ago
5 0

Answer:

15

Step-by-step explanation:subtract 4-1 which is 3 and then you multiply 5x3 and it equals 15

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Which number rounds to 65.8 when rounded to the nearest tenth
e-lub [12.9K]

Answer:

65.8

Step-by-step explanation:

5 0
3 years ago
The living spaces of all homes in a city have a mean of 2300 square feet and a standard deviation of 500 square feet. Let x be t
antoniya [11.8K]

Answer:

the mean and standard deviation is 2300 and 100 respectively

Step-by-step explanation:

Given that

Mean = 2300

Standard deviation = 500

let us assume the x be the mean of living space

And, the sample is of 25 homes

We need to find out the mean and the standard deviation

So here mean = 2300

And, the standard deviation

= 500 ÷√25

= 500 ÷ 5

= 100

hence, the mean and standard deviation is 2300 and 100 respectively

3 0
3 years ago
Complete the solution of the equation. find the value of y when x equals to 28<br><br> x+3y=28
Leno4ka [110]

Answer:

y=0

Step-by-step explanation:

If x equals 28 then substitute it in the equation, 28+3y=28

Next, subtract 28 from both sides, 3y=0

Now that you have that its simple, y must equal 0

3 0
3 years ago
Read 2 more answers
If 2/3 of a cup of pancake mix makes 6 pancakes. How much will 3 1/3 cups of pancake mix, how many pancake does it make?
sergey [27]
31/3: 2/3= 5
5X6=30
All you have to do is divide 31/3 by 2/3 and it equals 5 then 5X6=30
8 0
3 years ago
Which of the following is equivalent to 5 • (7 • 4)?
serg [7]

Answer:

Its (5 x 7) x 4

Step-by-step explanation:

5 x (7 x 4)

5 x (28)

140

------------

(5 x 7) x 4

(35) x 4

140

4 0
3 years ago
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