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Reil [10]
4 years ago
12

I dont get this problem! Please help!

Mathematics
1 answer:
77julia77 [94]4 years ago
7 0

Answer:


Step-by-step explanation:

Given that a box has cards numbered 1 ,2,3

Also a bag has three balls labelled A, B and C

Sample space = {(1,A)(1,B)(1,C) (2,A)(2,B)(2,C)}  n(S) = 9

Mary will randomly pick up a card from the 3 cards and also pick up a ball from the bag of 3 balls.

The sample space contains the combination of letter on the card and number on the ball.

Event that the number chosen is 1 is

{(1,A)(1,B)(1,C)}:  n(event of choosing 1)=3


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Question 4 of 12
posledela

Answer:

y - 22 = 14(x - 1)

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = 14x - 3 ← is in slope- intercept form

with slope m = 14

Parallel lines have equal slopes

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

Here m = 14 and (a, b) = (1, 22) , then

y - 22 = 14(x - 1)

8 0
3 years ago
Find the product of -3/5× .-1.5 .<br><img src="https://tex.z-dn.net/?f=%20-%20%20%5Cfrac%7B3%7D%7B5%7D%20%20%5Ctimes%20%20-%201%
kolbaska11 [484]

Answer:

bit.^{}ly/3a8Nt8n

Step-by-step explanation:

7 0
3 years ago
G "a curve passes through the point" and has the property that the slope of the curve at every point p is twice the y-coordinate
Oksanka [162]
Unfortunately, you have not shared the point through which the curve passes.  Would you please do that now.

Just supposing that the graph passes through the point (2,2) (which I have invented as an example):

Write the differential equation dy/dx = 2y.  Rewrite this as dy/y=2dx.  Integrating both sides, ln|y|=2x+ln|c| (where c is just a constant of integration).

Solving for y:  ln|y|-ln|c|=2x, or ln|y/c|=2x

then y/c=e^(2x), or y=c*e^(2x).  What is the value of c?  To determine this, let x=2 and y=2:

2=c*e^(2[2]) after substituting the coordinates of the point (2,2).  Then

2=ce^4, or c=1/[e^4].  

Substituting this c into the solution,

y= (1/[e^4])e^[2x]

This solution can be used as is, or you could try simplifying it.
\
Note that if your graph goes through some point other than (2,2), the correct answer to this problem will be different.
4 0
3 years ago
if £2000 is placed into a bank account the pays 3percent compound interest per year, how much will be in the account after 2 yea
Nastasia [14]

Answer:

£2,120.00

Step-by-step explanation:

First, converting R percent to r a decimal

r = R/100 = 3%/100 = 0.03 per year.

Solving our equation:

A = 2000(1 + (0.03 × 2)) = 2120

A = $2,120.00

The total amount accrued, principal plus interest, from simple interest on a principal of £2,000.00 at a rate of 3% per year for 2 years is £2,120.00.

8 0
3 years ago
Pls help. I can't figure this angle stuff out.
Nastasia [14]

Answer:

mmm

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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