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Naddik [55]
3 years ago
9

for what value of the variable the value of the expression 4(5x-8) is 4 more than the value of the expression 2(4-x)

Mathematics
1 answer:
Zigmanuir [339]3 years ago
7 0

Answer:

For x=2, the expression 4(5x-8) will be 4 more than the expression 2(4-x)

Step-by-step explanation:

Given expressions are;

4(5x-8) and 2(4-x)

For 4 more than the second expression, we will add 4 with second expression.

4(5x-8) = 2(4-x) + 4

20x - 32 = 8 -2x +4

20x + 2x = 12 + 32

22x = 44

Dividing both sides by 22

\frac{22x}{22}=\frac{44}{22}\\x=2

Hence,

For x=2, the expression 4(5x-8) will be 4 more than the expression 2(4-x)

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3 0
3 years ago
Will bought 3 college textbooks. One cost 32$, one cost 45$, and one cost 39$. What is the average price of his book?
Damm [24]

Answer:

The average of all textbooks is $38.60.

Step-by-step explanation:

Here's why to calculate average we do sum of all numbers divided by the number of numbers, for example if we average 2 and 3, we do 2+3 divided by 2. Which happens to be 2.5. Now for this problem we divide the sum by 3.

Therefore getting our answer of $38.60.


If this helps hit the thank button!

5 0
4 years ago
How many hour between 2.15pm to 4.45pm
BigorU [14]
2 hours and a half, or 2 hours and 30 minutes. :-)
6 0
4 years ago
Solve this expression 8÷2*5+(6-4)
Annette [7]

Value of expression \frac{8}{2}(5) + (6-4) is 22 .

<u>Step-by-step explanation:</u>

Here we have the following expression to solve :

8÷2*5+(6-4)

⇒ (8/2)*5 + (6-4)

⇒ \frac{8}{2}(5) + (6-4)

But 8 = 4(2) , So

⇒ \frac{4(2)}{2}(5) + (6-4)

⇒ 4(5) + (6-4)

⇒ 20 + (6-4)

⇒ 20 + 2

⇒ 22

Therefore, Value of expression \frac{8}{2}(5) + (6-4) is 22 .

6 0
3 years ago
The sum of two positive numbers is 42. What is the smalles possible value of the sum of their squares?
Mkey [24]
Okie, it is not too hard.
Set these numbers a and b, notice a, b positive.
We have a+b=42.
You can see the next on my photo

Or you can use the formula of Cauchy

3 0
3 years ago
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