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larisa86 [58]
2 years ago
15

The sum of two numbers is 20. One number is 4 less than the other. Find the numbers

Mathematics
1 answer:
exis [7]2 years ago
6 0

Answer:8 and 12

Step-by-step explanation: 8 is 4 less than 12 and 12 and 8 equals 20

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Which of the following is equivalent to (a + b/2) ^2?
myrzilka [38]

Answer:

a^2 + 4a/b + 4/b^2

Step-by-step explanation:

Which of the following is equivalent to (a + b/2) ^2?

4 0
2 years ago
Pleaseee helpppp!!!!!!!!!!!!!!!!
SVETLANKA909090 [29]
The line g(x) has slope ...
  (change in y)/(change in x) = (-18 -(-20))/(1 - 0) = 2
so can be written in slope-intercept form as
  g(x) = 2x -20

The x-intercept of this line is at x=10.
  0 = 2x -20 . . . . the x-intercept is where g(x) = 0
  20 = 2x
  10 = x

The circle also intersects the x-axis at x=10, so that will be one point that is shared by the circle and g(x). A graph shows there is also another point of intersection, (6, -8).

Yes, the linear function g(x) will intersect the circle at 2 points with positive x-coordinates.

5 0
2 years ago
Which of the following is closest to the distance that the tip of the hand travels as it moves from
Gwar [14]

Answer:H

Step-by-step explanation:

8 0
3 years ago
Suppose you like to keep a jar of change on your desk. Currently, the jar contains the following: 22 Pennies 27 Dimes 9 Nickels
kap26 [50]

Answer:

P(Penny\ and\ Dime) = \frac{9}{116}

Step-by-step explanation:

Given

Pennies = 22

Dimes = 27

Nickels = 9

Quarters = 30

Required

P(Penny\ and\ Dime)

This is calculated as:

P(Penny\ and\ Dime) = P(Penny) * P(Dime)

Since it is a selection without replacement, the computation is:

P(Penny\ and\ Dime) = \frac{Penny}{Total} * \frac{Dime}{Total-1}

So, we have:

P(Penny\ and\ Dime) = \frac{22}{22+27+9+30} * \frac{Dime}{22+27+9+30-1}

P(Penny\ and\ Dime) = \frac{22}{88} * \frac{27}{87}

P(Penny\ and\ Dime) = \frac{1}{4} * \frac{9}{29}

P(Penny\ and\ Dime) = \frac{9}{116}

5 0
2 years ago
Hiiiooo! Can someone please help me if you can’t see the picture I will gladly explain it in the comments!
Neporo4naja [7]

Answer:

b

Step-by-step explanation:

6 0
3 years ago
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