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nasty-shy [4]
3 years ago
15

Translate the following verbal expression into an algebraic expression.

Mathematics
1 answer:
poizon [28]3 years ago
5 0

Answer:

3 * (x + 7)

Step-by-step explanation:

Mark number as x

Then the sum of a number and seven is x + 7

Three times x + 7 can be written as

3 * (x + 7)

Parentheses mean that we first add x and 7 and then multiply their sum by 3

Alternatively you can write it as 3x + 21, since

3 * (x + 7) = 3 * x + 3 * 7 = 3x + 21

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quester [9]

Answer:

To determine whether a decimal is rational or not, you need to know that...

Irrational numbers don't end and have no pattern whereas rational numbers are the complete opposite. Rational numbers end and have a repeating pattern.

Step-by-step explanation:

Here are examples of irrational numbers:

0.9384903204..... , π , √2

Examples of rational numbers:

0.777777... (is rational because it has a repeating pattern of 7) , √49

Hope this helps :)

5 0
2 years ago
Write 74 in expanded form. Then check all that apply. The base is 7. The exponent is 4. The exponent tells you to multiply 7 tog
rewona [7]

Answer:

7*7*7*7

Step-by-step explanation:

=> 7^4

<u><em>This means that 7 is multiplied 4 times</em></u>

So, it becomes:

=> (7×7×7×7)

3 0
3 years ago
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An ice-cream truck sells milkshakes for $3.50 and cones for $2. On Wednesday, a total of 45 milkshakes and cones were sold, and
AnnZ [28]

Answer:

247.5

Step-by-step explanation:

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5 0
3 years ago
1) This is using symbols to represent algebraic relationships between quantities.
Agata [3.3K]

Answer:

variables i believe would be the answer

Step-by-step explanation:

6 0
3 years ago
(2^3//4^2)^5 What is the equivelant expression?
frosja888 [35]

Answer:

A

Step-by-step explanation:

This is the same as ((2^3)/(4^2))*((2^3)/(4^2))*((2^3)/(4^2))*((2^3)/(4^2))*((2^3)/(4^2)) which is equal to (2^(3+3+3+3+3)/4^(2+2+2+2+2)), so its (2^15/4^10)

5 0
2 years ago
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