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vova2212 [387]
3 years ago
15

f x + y is rational, must x and y each be rational? A) Yes; because the sum of rationals is rational. B) No; because the sum of

irrationals is always irrational. C) No; because x and y could be additive inverses of each other. D) Yes; because x and y must be integers, and integers are rational.
Mathematics
1 answer:
Rudik [331]3 years ago
7 0
The answer is D) Yes; because x and y must be integers, and integers are rational.
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Juli buys a flat with 48 flowers. She was wants to plant them in equal rows of 5 flowers. How many rows can Juli plant? How many
miss Akunina [59]

Answer:

5 row, 3 left

Step-by-step explanation:

She has 48 flowers, 5 flowers one row

How many rows can she make? So divide

48/ 5

= 9.6

So she can only make 9 rows

The leftovers flowers are the flowers that didn't manage to make 5 per row

Therefore, if she can make 9 rows, in other words 9 x 5 = 45

45 flowers were able to be placed in a sequence of 5 per row

So the ones that are left is

48 - 45

= 3

8 0
3 years ago
On cold days Leah likes to make hot chocolate. She uses 8 tablespoons of cocoa and 2 tabelspoons of sugar, what ratio is equival
galben [10]

Answer:

4 to 1

Step-by-step explanation:

The greatest common factor between 8 and 2 is 2. So 2 will go into 8, 4 times. And 2 will go into 2, 1 time. So simplified the equivalent ratio is 4:1.

8 0
3 years ago
Which segment is a diameter of this circle?<br> Ο TX<br> O VX<br> Ο XY
professor190 [17]

Answer:

The answer is VX.

Step-by-step explanation:

This is because the line segment VX, reaches from one end of the circle to the other, touch both sides of the circle. The other options do not make sense since segment XY does not go through the center of the circle and TX is the radius of the circle. The radius is half the diameter of the circle.

Therefore, the answer is VX.

5 0
3 years ago
Why is 8(s-3) considered a single term when (s-3) is the difference of two terms?
jok3333 [9.3K]
When you have 8(s-3) you are find a product of 8 times whatever s-3 is however s-3 you are find the difference between whatever s is and 3.
4 0
3 years ago
If you know that the exact volume of a cylinder is 500 π cm3, how can you find the approximate volume, without knowing the heigh
grandymaker [24]

Answer:

The approximate volume is 1,570\ cm^{3}

Step-by-step explanation:

we know that

The exact volume of the cylinder is  

V=500\pi \ cm^{3}

so

To find the approximate volume of the cylinder, substitute the term \pi by the approximate value of  3.14 and then multiply  

so

V=500(3.14)=1,570\ cm^{3}

6 0
3 years ago
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