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Alika [10]
2 years ago
12

Find each percent of change. Round to the nearest whole percent. State

Mathematics
1 answer:
taurus [48]2 years ago
4 0

Answer:400

Step-by-step explanation:3704

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Write a word problem for an expression that is three times as great as (15+7). Then write the expression.
Setler79 [48]

Answer:

the expression is 3(15+7). An word problem could be there are 15 apples and 7 bananas. Someone needs to buy 3 times the amount of those. This is represented by that expression.

Step-by-step explanation:

6 0
2 years ago
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18 students which is 60% of the class, are going to Hershey park field trip in June. how many students are in the ENTIRE CLASS:
professor190 [17]

Answer:

30 students

Step-by-step explanation:

Since 18 divided by 30 is .6, you convert .6 to 60% by moving the decimals two places to the right. Hope this helps.

4 0
2 years ago
Is 2.82842712475 a rational number
Galina-37 [17]
No---------------------------------
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3 years ago
Determine whether the statement is always true, sometimes true, or never true. Give an example. (a) Both sides of an equation ca
arsen [322]

Answer:

(A) Always true

(B) Seldom true

Step-by-step explanation:

(A) Both sides of an equation can be multiplied by the same number without this action changing the solution of the equation.

Keyword here is "number".

Multiplying both sides of an equation by an equal quantity (same number) will result in same solution after solving for the unknown in the equation. This is because that numeric quantity can always be removed by dividing both sides of the equation by it or by a factor (or multiple) of it.

EXAMPLE:

For a linear equation, 4x - 6 = 15x

let's find the solution, in other words solve for the unknown value X.

4x - 15x = 6

-11x = 6

x = -6/11

Now multiply both sides of the equation by 3.

3(4x - 6) = 3(15x)

12x - 18 = 45x   ___new equation

Solve for X

12x - 45x = 18

-33x = 18

x = -18/33

Reduce the fraction to its simplest form by looking for a number that can divide both numerator and denominator without remainder. In other words, think of a number that is a factor of 18 and a factor of 33.

That common factor or highest common factor (HCF) is 3.

Go ahead and reduce the fraction.

x will be reduced to -6/11

(B) Both sides of an inequality can seldom be multiplied by the same number, without such action changing the solution set of the equation.

Inequalities are more complex. Operational signs even change sometimes, in the course of finding the solution set of the inequality.

Sometimes, multiplying both sides of an inequality by a given numeric quantity will change its solution set and sometimes, it won't.

5 0
3 years ago
What is the slope indicated in the table below.
miskamm [114]
The answer to the problem is 5/-3
3 0
3 years ago
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