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Eddi Din [679]
3 years ago
13

What is a rational number

Mathematics
2 answers:
irinina [24]3 years ago
5 0
A number that can be turned into a ratio form.
spayn [35]3 years ago
3 0
A rational number is a number that can be written as a ratio
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John is looking into a cell phone plan that will cost him $60 per month+$3.50 per gigabyte of data that is used. write an expres
Naily [24]
The answer is 60x+3.50
8 0
3 years ago
Rewrite the equation by completing the square. 4 x^{2} +20x +25 =0
Ede4ka [16]

Answer:

(x+5/2)^2 = 0

Step-by-step explanation:

4 x^{2} +20x +25 =0

Divide by 4

4/4 x^{2} +20/4x +25/4 =0

x^2 +5x +25/4 =0

Subtract 25/4 from each side

x^2 +5x +25/4 -25/4 =-25/4

x^2 +5x  =-25/4

Take the coefficent of x

5

Divide by 2

5/2

Square it

25/4

Add it to each side

x^2 +5x +25/4 =-25/4+25/4

(x+5/2)^2 = 0

Take the square root of each side

x+5/2 = 0

x = -5/2

8 0
3 years ago
Read 2 more answers
A situation can be represented by this inequality?<br><img src="https://tex.z-dn.net/?f=1.25x%20-%206.50%20%3E%2050" id="TexForm
DochEvi [55]

There are four different choices. Now we have to find which choice best expresses the inequality 1.25x-6.50>50

1.25x has positive sign so any statement that indicates earning like sells at the rate of 1.25 will match with expression 1.25x.

Now -6.50 has negative sign that means this quantity must be subtracted or represents loss of any kind.


Keeping above sign in mind and reading the given statementns, we see that only choice "a" first the given inequality.


Hence final answer is a).

6 0
3 years ago
Read 2 more answers
Find the value of 216m³ - 8n³ if 6m - 2n=0 and mn=12​
mestny [16]

Answer:

0

Step-by-step explanation:

Given that,

6m - 2n=0

=>6m=2n

=>n=3m   [divide both side by 2]

& mn=12​

Now,

216c - 8n³

= 216m³- 8(3m)³

=216m³-  8 .27m³

=216m³- 216m³

=0

6 0
2 years ago
1. What is happening when you are multiplying fractions?
vova2212 [387]

Answer:

To multiply fractions, first we simplify the fractions if they are not in lowest terms. Then we multiply the numerators of the fractions to get the new numerator, and multiply the denominators of the fractions to get the new denominator.

pls give brainliest

7 0
3 years ago
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