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swat32
3 years ago
7

What is the simplified value of the expression below?

Mathematics
1 answer:
slavikrds [6]3 years ago
8 0

Answer:

I dont know the experssion but I will give you steps to figure it out!

Step-by-step explanation:

Before you evaluate an algebraic expression, you need to simplify it. This will make all your calculations much easier. Here are the basic steps to follow to simplify an algebraic expression:

remove parentheses by multiplying factors

use exponent rules to remove parentheses in terms with exponents

combine like terms by adding coefficients

combine the constants

When simplifying an expression, the first thing to look for is whether you can clear any parentheses. Often, you can use the distributive property to clear parentheses, by multiplying the factors times the terms inside the parentheses. In this expression, we can use the distributive property to get rid of the first two sets of parentheses.

Now we can get rid of the parentheses in the term with the exponents by using the exponent rules we learned earlier. When a term with an exponent is raised to a power, we multiply the exponents For example, (x2)2 becomes x4.

The next step in simplifying is to look for like terms and combine them. The terms 5x and 15x are like terms, because they have the same variable raised to the same power

Finally, we look for any constants that we can combine.

Now our expression is simplified. Just one more thing -- usually we write an algebraic expression in a certain order. We start with the terms that have the largest exponents and work our way down to the constants. Using the commutative property of addition, we can rearrange the terms and put this expression in correct order, like this.

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Let h(x)=2x+5hand g(x)=8-3xg, What is the value of h(g(1.5)
Mekhanik [1.2K]
Hello,

Do you mean
h(x)=2x+5
g(x)=8-3x

h(g(x))=h(8-3x)=2(8-3x)+5=16-6x+5=21-6x

h(g(1.5))=h(g(3/2))=21-6*3/2=21-9=12


7 0
3 years ago
Can Someone help me with this equation?
Allushta [10]

Answer:

17.64

Step-by-step explanation:

Multiply 4.2 by its self also ive had this question before so i know the answer

6 0
3 years ago
Read 2 more answers
HALP ITS DUE TODAY and somehow im struggling and this is week 3 -_-​
Yuliya22 [10]

Answer:

Try to look for the pattern.

As you can see on the first column, the last three numbers line up by +3 (12 to 15 to 18). Proof - 12 + 3 = 15 + 3 = 18.

So you go back by subtracting 3. 12 - 3 = 9 - 3 = 6 - 3 = 3

For the other column, the pattern is +17. Proof -   51 - 34 = 17, 102 - 85 = 17.

So do the same thing as in the first column.

Results:

3                 17

6                 34

9                 51

12                68

15                85

18                102

5 0
3 years ago
80000 times 60 plus 89
snow_lady [41]

Answer:

4,800,089

Step-by-step explanation:

You must multiply 80000 by 60 first, which an easy way to solve is multiply 8 by 6 and then add the amount of zeroes in both of those numbers so 48, and then 5 zeroes. So 4,800,000. Then you want to add 89.

3 0
3 years ago
Frank was skiing down big bear mountain. He finished 22% of his skiing in the morning. Then he still had 23.4 miles left. How ma
gtnhenbr [62]

Answer: 6.6 miles

Step-by-step explanation:

Since he finished 22% of his skiing in the morning, that means he still has 78% (100% - 22%) of his skiing left.

The remaining 78% is equivalent to 23.4 miles. We need to know the total miles of the skiing. This will be:

78% of x = 23.4

0.78 × x = 23.4

0.78x = 23.4

x = 23.4 / 0.78

x = 30 miles

Since the total skiing is 30 miles and he has 23.4 miles left, the miles covered in the morning will be:

= 30 - 23.4

= 6.6 miles

8 0
3 years ago
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