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Darya [45]
3 years ago
15

What two numbers are missing from this factor tree for the prime factorization of 189?

Mathematics
2 answers:
butalik [34]3 years ago
8 0

189   = 3*63

       = 3 * 7*9

       = 3 *7 * 3*3

Rasek [7]3 years ago
4 0

Answer:

9*7

Step-by-step explanation:

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Mark and Trisha are traveling in the same direction and Mark is going 16 miles per hour. Trisha is going 12 miles per hour but s
Lorico [155]

Answer:

32 miles

Step-by-step explanation:

Given data

Let the total distance be x miles

Marks speed= 16miles per hour

Trisha's speed= 12 miles per hour

Trisha has covered 8 miles and has  (x-8) miles to finish line

We know that

Speed= distance/time

time= distance/speed

Hence the time taken for Mark to finish is

time= x/16---------------1

The time taken for Trisha to finish is

time= (x-8)/12-----------2

equate 1 and 2 above

x/16= (x-8)/12

cross multiply

16(x-8)= 12*x

16x-128= 12x

collect like terms

16x-12x= 128

4x=128

x= 128/4

x= 32 miles

Hence they will meet at exactly 32 miles along the way

5 0
2 years ago
Multiply factor 8(x-3y)(x+3y) to determine the original polynomial
Inessa [10]
If I'm doing this correctly, you would need to multiply everything inside the parenthesis by 8. So it would be 8x-24y·8x+24y. I'm sorry if that's not right, but that is my interpretation of the problem. Hope I was of some assistance :)
4 0
2 years ago
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Looking at the playground, I saw boys and dogs. Counting heads, I got 22. Counting legs I got 66. How many boys and how many dog
Lera25 [3.4K]
44. Dogs & 22. Boys i think 
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3 years ago
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Write the equation in point-slope form of the line that passes
mariarad [96]

Answer:

y + 2 = 5/3(x - 4)

Step-by-step explanation:

Point-slope form of the equation of a line is a shortcut, fill-in-the-blank formula. You can write an equation just by filling in the slope and a point (hence the name, point-slope)

It looks like this:

y - Y = m(x - X)

The point given is (4,-2) fill in the -2 for the Y. Leave the first y just like it is, it stays a y. Fill in the 4 for X. Leave the first little x in the parenthesis alone Leave it an x.

y - -2 = m(x - 4)

Fill in the slope for the m.

y - -2 = 5/3(x - 4)

Simplify if possible.

y + 2 = 5/3 (x - 4)

3 0
2 years ago
The sum of two numbers is 12. three times the product of the numbers is 105.
Natalija [7]
7 and 5
105/3= 35
Factors of 35: 1,5,7,35
The only two factors that have a sum of 12 are 5 and 7
4 0
3 years ago
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