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Natalija [7]
3 years ago
11

89. In a drawing, a jar holds the numbers 1 to 8. If you draw three numbers to form a three-digit number (without replacement),

what is the probability you will draw 135?
A.1/56
B. 1/512
C.3/8
D.1/336
Mathematics
1 answer:
torisob [31]3 years ago
7 0

Answer:

1: D. 1/336

Explanation:

10 x 9 x 8 = 720

There are 720 ways for them to come in first, second and third place.

2. Probability = 1/8 x 1/7 x 1/6 = 1/336

The probability is 1/336 or 0.002976.

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What are the coordinates of the image of vertex R -3,4 after a reflection across the y-axis? (–4, 3) (4, –3) (–3, –4) (3, 4)
Feliz [49]
The coordinate of the image after being reflected is R(3,4).

When dealing with reflection of a line or shape or a figure in the coordinate plane, especially if it is reflected across the y- axis, you just have to give the opposite of the given (original) x- coordinate in order to give a symmetric figure.
7 0
3 years ago
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Solve for y in terms of x: 3y-2x=7
Alenkasestr [34]

Answer will be: y=7/3+2x/3

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Two variables are correlated with r = -0.23. Which description best describes the strength and direction of the association betw
tatuchka [14]
Answer is C weak negavite


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3 0
3 years ago
⎧
MrRissso [65]

Answer:

f(n)=-5-3n

Step-by-step explanation:

Given the recursive formula of a sequence

f(1)=−8

f(n)=f(n−1)−3

We are to determine an explicit formula for the sequence.

f(2)=f(2-1)-3

=f(1)-3

=-8-3

f(2)=-11

f(3)=f(3-1)-3

=f(2)-3

=-11-3

f(3)=-14

We write the first few terms of the sequence.

-8, -11, -14, ...

This is an arithmetic sequence where the:

First term, a= -8

Common difference, d=-11-(-8)=-11+8

d=-3

The nth term of an arithmetic sequence is determined using the formula:

T(n)=a+(n-1)d

Substituting the derived values, we have:

T(n)=-8-3(n-1)

=-8-3n+3

T(n)=-5-3n

Therefore, the explicit formula for f(n) can be written as:

f(n)=-5-3n

7 0
3 years ago
Rodrigo is planning on buying a new home. The total amount he needs to borrow is $299,132. The bank offered Rodrigo a 18 year lo
Flauer [41]

Answer:

13402

Step-by-step explanation:

PV= $299,132

I/YR= 4.48% or 0.0448

N= 216

PMT= $13402

(Excel works great with this and will solve it for you, use the PMT function and insert the numbers provided.  It will show a (-) but that is because a positive PV is placed.)

3 0
3 years ago
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