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aksik [14]
3 years ago
12

In 8 years, Sophia's age will be 21 years old. Let x represent Sophia's current

Mathematics
2 answers:
fiasKO [112]3 years ago
5 0

Answer:

She is 13 years old

Step-by-step explanation:

x + 8 = 21

x = 13

Aloiza [94]3 years ago
3 0

Answer:

a. x+8=21

b. x = 13

Step-by-step explanation:

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Is .634 rational number
Ksivusya [100]
Yes 0.634 is a rational number.
Rational numbers are those numbers that can be still expressed in standard form or in fraction form and vice-versa. Unlike irrational numbers that are opposed to the definition of rational numbers. These values include pi, square root of two and etc. These values are impossible to fractionize. To better illustrate this circumstance.

We can have calculate a number that will have a quotient of 0.634 or a fraction that is equal to the given value. <span><span>
1. </span><span> 634/1000 = 0.634</span></span>
<span><span>2. </span><span> 317/500 = 0.634 </span></span>



3 0
3 years ago
In the XY-plane, the X-axis contains all ordered pairs such that:
Fiesta28 [93]

Answer:

Option B

y coordinate is 0

Step-by-step explanation:

We have in two dimension rectangular system of coordinates with two mutually perpendicular lines called x and y axis.

X axis is the horizontal line and y the vertical line, the point of intersection of these two lines is called origin with x=0: y=0

To the right of origin, positive values are marked and left negative. Similarly for y axis, above origin positive values and below negative values.

Thus we have along x axis, y values to be 0

Hence any point on x coordinate will be of the form (a,0) where a can be any real number

So option B is right

3 0
2 years ago
Read 2 more answers
7.13 In the original study of regression toward the mean, Sir Francis Galton noted a tendency for offspring of both tall and sho
Lena [83]

Answer: All heights could be the same based on probability

Step-by-step explanation:

7 0
3 years ago
(3x-4)^2 - (2x-1) ^2​
Len [333]

Step-by-step explanation:

Hope it helps u

Plz mark as brainlist

8 0
2 years ago
Taylor has $20 to spend on school supplies. A pack of
mariarad [96]

Answer:

7 packs

Step-by-step explanation:

2.75p < 20

Divide both sides by 2.75

2.75p/2.75 < 20/2.76

Simplify

p = 7.27 (27 repeating)

Round

p = 7

6 0
3 years ago
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