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iris [78.8K]
3 years ago
13

Can someone explain how to do these. Also on number 2, how do u find the ratio ?

Mathematics
1 answer:
KIM [24]3 years ago
4 0

9514 1404 393

Answer:

  2. D

  3. B

  4. D

  5. A

Step-by-step explanation:

2. Write the ratio using the given words, then fill in the corresponding numbers. Factor out the greatest common factor.*

  soccer players : volleyball players = 84 : 36 = 12·7 : 12·3 = 7 : 3

__

3. The <em>angle bisector</em> has angle marks on either side of it. The only angle marks are at angle G, where GL is the bisector.

__

4. The <em>median</em> is drawn from a vertex to the midpoint of the opposite side. The only side with a midpoint marked is IG with midpoint J. The median is HJ.

__

5. An altitude is drawn from a vertex to the opposite side, where it meets at right angles. Two right angles are shown: at J and at K. The perpendicular line at J does not meet any vertex. The perpendicular line at K meets vertex I, so KI is the altitude.

_____

* For larger numbers, or ones whose factors you aren't familiar with, it can be useful to know Euclid's method for finding the greatest common factor (GCF). Divide the larger number by the smaller and keep the remainder. If the remainder is 0, the smaller is the GCF. If not, replace the larger number with the remainder and repeat.

Here, that looks like ...

  84 / 36 = 2 r 12

  36 / 12 = 3 r 0 . . . . . 12 is the GCF

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Vsevolod [243]

Answer:

Total rental cost is:

y = Bx + M

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Step-by-step explanation:

Let amount of flat fee = M

let hourly rate = B

Total rental cost = ?

As given the store charges a flat fee plus an hourly rate:

                                      ⇒    y = Bx + M

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5 0
3 years ago
The perimeters of the triangles shown below are equal
Naya [18.7K]

Answer:

x=19

Step-by-step explanation:

The perimeter of the right triangle is

P=9+12+15 =36

The perimeter of the left triangle is

P =x-7+ x-7+ x-7 = 3x-21

Set them equal

36 = 3x-21

Add 21 to each side

36+21 = 3x-21+21

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Divide each side by 3

57/3 = 3x/3

19 =x

6 0
3 years ago
Read 2 more answers
The product of 7 and a number x is at most 42
DaniilM [7]

Answer:

x=6

Step-by-step explanation:

42 is the total, so 42/7 is 6.

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Solve x − y = 5 for y.
AnnyKZ [126]

Answer:

-y=5-x

Step-by-step explanation:

3 0
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4 3/4 - 1/3 with it out simplified
otez555 [7]

Answer:

4  5/12

Step-by-step explanation:

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1/3 *4/4 =4/12

4 9/12 - 4/12 =4  5/12

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3 years ago
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