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SpyIntel [72]
3 years ago
7

What to numbers can add up to 30 but multiply to 40?

Mathematics
1 answer:
saul85 [17]3 years ago
5 0
<span>I believe your answer will be 10 & 20, because they BOTH are multiples of 40, ANNNNNNNNNNNNNNNNND when added together they equal 30! =D
I hope I helped! =D</span>
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Please help me.. im stuck​
nalin [4]

Answer: x = 2/3 and y = 2/3

Step-by-step explanation:

I've attached the solution.

From the solution, you get y = -5x + 4 and

y = x.

Now,

Put y = x in y = -5x + 4.

x = -5x + 4

6x = 4

x = 4/6

x = 2/3

So, y = 2/3 because y = x.

6 0
3 years ago
PLEASE HELP ME!!! I WILL GIVE ALL THESE POINTS
WINSTONCH [101]
<h2>Answer and Explanation to questions 13,14,15</h2>

13) \mathbf{\overline{XY}\cong\overline{CD}}        as given in the question.

14) \mathbf{\overline{XY}\cong\overline{YZ}}          Since Y is the midpoint of XZ. So, Y will divide XZ in equal halves into XY and YZ.

15) \mathbf{\overline{CD}\cong\overline{YZ}}

\because\overline{\textrm{XY}}\cong\overline{\textrm{CD}} and \overline{\textrm{XY}}\cong\overline{\textrm{YZ}} . So, \overline{\textrm{CD}}\cong\overline{\textrm{YZ}}

<h2>Answer and Explanation to questions 16,17,18</h2>

∠3 is supplementary to ∠1 means: ∠3 + ∠1 = 180°

And, according to figure ∠1 + ∠2 = 180° as ∠1 and ∠2 form a straight line.

∠3 + ∠1 = 180°    .............(i)

∠1 + ∠2 = 180°    .............(ii)

subtracting equation (i) and (ii) will give ∠3 = ∠2   ..........(iii)

15) ∠3 is supplementary to ∠1                        as given in the question

16) ∠2 is supplementary to ∠1                        as shown be equation (ii)

18) ∠3 ≅ ∠2                                                      as shown by equation (iii)

<h2>Answer and Explanation to questions 19</h2>

∠3 and ∠4 form a straight line. Therefore, ∠3 + ∠4 = 180°   .......(i)

∠4 and ∠5 form a straight line. Therefore, ∠4 + ∠5 = 180°   .......(ii)

subtracting equation (i) and (ii)

∠3 + ∠4 - (∠4 + ∠5) = 180°-(180°)

∠3 + ∠4 - ∠4 - ∠5 = 180°-180°

∠3 - ∠5 = 0

∴ ∠3 = ∠5     (Hence Proved)

4 0
3 years ago
Nikki bought a patio set on sale for $390. The original price was $850.
ladessa [460]

perdon ese fue mi error jaja señorita lee algunos números

4 0
3 years ago
This means that √31 is between
Serggg [28]
5 and 6 (5 being the square root of 25 and 6 being the square root of 36, which are the closest perfect squares)
3 0
3 years ago
Read 2 more answers
What's the length of side b in the
Grace [21]

Answer:

its c 120 centimeters

7 0
3 years ago
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