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love history [14]
3 years ago
15

Can someone help me here ASAP? this question is worth 20 points. will mark the brainliest, thank you so much in advanced.

Mathematics
1 answer:
worty [1.4K]3 years ago
3 0

Answer:

1. a) (1-1) (1-2) (1-3) (2-1) (2-2) (3-1)

2. a) (5-1) (5-2) (5-3) (5-4) (5-5) (5-6)

3. d) (1-3) (2-3) (3-1) (3-2) (3-4) (3-5) (3-6) (4-3) (5-3) (6-3)

Step-by-step explanation:

1. added the numbers in the parenthesis and A had all of the sums less than 5

2. A had all the 5s in the first spot

3. D had the  3s in each parenthesis

You might be interested in
TRI has vertices T(-3, 4), R(3, 4), and I(0,0). Is TRI scalene, isosceles, or equilateral?
KatRina [158]

Answer:

Isosceles

Step-by-step explanation:

Graph your triangle!

Then, do the distance formula. So from T to I is 5 units, R to I is 5 units, and T to R is 6 units. As two side lengths are congruent, the triangle is isosceles.

Hope this helps!


4 0
3 years ago
Find two positive numbers if their ratio is 8:5 and the difference is 150.
natima [27]
Let's call the two numbers x and y. We can write a system of equations to describe the situation:

5x = 8y

x - y = 150

Let's solve the first equation for x:

x = 8y/5

Now we can use substitution to solve the system by plugging 8y/5 in for x in the second equation:

(8y/5) - y = 150

Simplify:

3y/5 = 150

3y = 750

y = 250

If y = 250, then x is:

x = 8(250)/5 = 400

The answer is 250 and 400.






7 0
3 years ago
Please, please help. Answer the question, then explain how you got your answer. <br><br> a= -3
Mice21 [21]
3.5*(-3)///////3.5*(-3)//////all of this parts same
3 0
4 years ago
Combine the like terms to create an equivalent expression <br> 4z- (-3z)
NNADVOKAT [17]

Answer:

7z

Step-by-step explanation:

subtracting a negative is like adding

4z - (-3z)\\4z+3z\\7z

4 0
3 years ago
The point (0, 0) is a solution to which of these inequalities? A. Y - 7 &lt; 2 x - 6 B. Y - 6 &lt; 2 x - 7 C. Y + 7 &lt; 2 x - 6
SCORPION-xisa [38]

Answer:

  A.  y - 7 < 2 x - 6

Step-by-step explanation:

When you put the given values into the inequalities, you get ...

  A: -7 < -6 . . . . true

  B: -6 < -7 . . . . false

  C: 7 < -6 . . . . .false

  D: 7 < 6 . . . . . false

4 0
3 years ago
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