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Alex_Xolod [135]
3 years ago
15

The difference of two numbers is 3. Their sum is 13. Find the numbers.

Mathematics
1 answer:
dexar [7]3 years ago
7 0

Answer:

8 and 5

Step-by-step explanation:

The sum of 8 and 5 implies

8 + 5 = 13

The difference between 8 and 5 implies:

8 - 5 = 3

Therefore, the sum of two numbers that gives 13 and their difference being 3 are 8 and 5.

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The two sides of a right triangle differ by one. If the hypotenuse is 29 cm, then determine the
erma4kov [3.2K]

Answer:

Let the sides be a and b

a^2 + b^2 = c^2 = 29^2 = 841

a^2 + (a + 1)^2 = 841

a^2 + a^2 + 2 a + 1 = 841

2 a^2 + 2 a = 840

a (a + 1) = 420

21 * 20 = 420     trial and error

So the sides are 20 and 21

20^2 + 21^2 = 29^2

3 0
2 years ago
Is (-2,-4) a solution of the graphed inequality?<br> Choose 1 answer:<br> Yes<br> No
sertanlavr [38]

Answer:

Yes

General Formulas and Concepts:

<u>Algebra I</u>

  • Reading a coordinate graph
  • Coordinates (x, y)
  • Solving inequalities

Step-by-step explanation:

When we plot (-2, -4) onto the graph, we can envision that the point is within the shaded region of the graphed line.

∴ (-2, -4) would be a solution.

5 0
3 years ago
What is the value of 5 in 356,039,763
frosja888 [35]
Well, we know the last three numbers are:

3 (ones)
6 (tens)
7 (hundreds)

The next set is:

9 (thousands)
3 (ten thousands)
0 (hundred thousands)

And finally:

6 (millions)
5 (ten millions)
6 (hundred millions)

So we know that 5 is in ten millions.



7 0
3 years ago
Can somebody please help me, this is due in 20 minutes​
Alex73 [517]

Answer:

61°

Step-by-step explanation:

In order for triangle LMN and PQR to be congruent, angle M and angle Q must equal. thus, we can set 2x-26=x+16

with basic algebraic manipulation, x=42. we then plug it back into the angle M or Q, getting angle M/Q= 58°

since this is a isoceles, the 2 base angle are identical, so 180= 58+2(angle P)

thus, angle P= 61

6 0
3 years ago
Solve for x in the picture below. Thanks! Will give brainliest.
Nonamiya [84]

Answer:

these triangles some is 90°.

72°+2x=90°

2x=90°-72

2x=18

x=18/2

x=9

3 0
2 years ago
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