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olga_2 [115]
2 years ago
12

1. Given the points P (1, - 4). Q (3,-2), R (-3,5), find the coordinates of the mid-points A and B of PO and PR respectively and

distance AB.
2. Calculate the value of cand the mean of the distribution with probability density function f(x) = cx? where x = 2,3,4 and 5.

- 3. Calculate P(A) given that P (AUB)= 0.98 where, P(B) = 0.72, if A and B are mutually exclusive events.

4. Given the center of a circles as (1,2) and radius 13 find its equation.

5. Find the eccentricity and the foci of the ellipse x2 - y2 16 9 1.​
Mathematics
1 answer:
aleksandrvk [35]2 years ago
5 0
1583.34 there you go
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Consider the equation
muminat

Answer:

A. a=10\\ \\b\neq -8

B. a=10\\ \\b= -8

Step-by-step explanation:

Consider the equation

2(5x-4) = ax + b

A. This equation has no solutions when the coefficients at x are the same and the free coefficients are not the same.

First, use distributive property:

2(5x-4)=2\cdot 5x-2\cdot 4=10x-8

So, the equation is

10x-8=ax+b

This equation has no solutions when

a=10\\ \\b\neq -8

B. The equation has infinitely many solutions when the coefficients at x are the same and the free coefficients are the same too.

So, the equation

10x-8=ax+b

has infinitely many solutions when

a=10\\ \\b= -8

In other cases, the equation has a unique solution

5 0
3 years ago
Make a t<br> Rectangle drawing to represent each excediste. Then find the product.
Trava [24]
I need the actual problem to answer this question
4 0
3 years ago
3. start fraction x over 5 end fraction + 6 = 10 (1 point) 44 30 20 –20 4. 3(4 – 2x) = –2x (1 point) –1 1 2 3
max2010maxim [7]

Answer:

3.x=20


Step-by-step explanation:


5 0
3 years ago
What is 1 5/6 + 1/2 ?<br><br> a.<br> 14/6<br> b.<br> 17/12<br> c.<br> 17/6<br> d.<br> 25/12
Vladimir79 [104]
Make bottom numbers same

convert to improper fraction


1 and 5/6=1+5/6=6/6+5/6=11/6

1/2 and 11/6
2 times 3=6
1/2 times 3/3=3/6

1/2+11/6=3/6+11/6=(4+11)/6=14/6

answer is A
3 0
4 years ago
Find her number and explain
Andreas93 [3]
It should be 11. hope this helps :)
8 0
4 years ago
Read 2 more answers
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