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Crazy boy [7]
3 years ago
12

How many ways can two marbles be chosen from a set of five marbles? 5 10 15 20

Mathematics
2 answers:
zmey [24]3 years ago
7 0

Answer:

20

Step-by-step explanation:

PtichkaEL [24]3 years ago
6 0

Answer:

The answer is 20.

Step-by-step explanation:

You might be interested in
Question 6 (1 point)
vlada-n [284]

Answer:

Zero

Step-by-step explanation:

3x - 7 = 3x - 9 + 2

3x - 7 = 3x - 7

Add 7 on both sides

3x = 3x

Subtract 3x you get 0.

Hope this helps.

4 0
3 years ago
Choose the slope-intercept equation of the line that passes through the point (4, -6) and is parallel to y = - 1/2 x + 5. (3 poi
telo118 [61]
First, it is important to understand that parallel lines have the same slope. Therefore, based on the formula y=mx+b in which m represents slope and based on the equation y=-1/2x+5, the slope of the unknown line is also -1/2. Then, there are two different ways to solve this problem using different formulas.

The first method to find the unknown equation is easy but not widely known. We can use the point slope formula which is (y-y1)=m(x-x1) in which we can plug a point and slope to find the equation. When we plug in the values given, we get y+6=-1/2(x-4) or y+6 =-1/2x+2 which simplifies to y=-1/2x-4.

The other method is using the slope intercept form or y=mx+b. When we plug in our slope and our point, we get -6=-1/2*4+b or -6=-2+b so b must equal -4, therefore we have all the information we need to plug values into y=mx+b. When we plug in our slope and y-intercept, we get y=-1/2x-4 which is the answer.

I hope this helps!
7 0
2 years ago
on a map where each unit represents 100 miles , two airports are located at p(1,17) and q(12,10) what is the distance to the nea
dlinn [17]

Answer:

849 miles

Step-by-step explanation:

d = [(12-1)^2+(10-17)]^(1/2)

d = 8.49*100 = 849 miles.

7 0
3 years ago
Miranda is braiding her hair then she will attach beads to the braids she wants 1/3 of the beads to be red if the greatest numbe
Romashka-Z-Leto [24]
2/6 because if I multiply the denominator and numerator by 2 it would equal 2/6.
8 0
3 years ago
Read 2 more answers
X squared minus 25 equals 0
Yuri [45]
x^2-25=0\\
x^2=25\\
x=\sqrt{25}\\ x=-5 \vee x=5

or

x^2-25=0\\
(x+5)(x-5)=0\\
x=-5 \vee x=5

7 0
3 years ago
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