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Leya [2.2K]
3 years ago
15

I need help. Tell me ALL you know

Mathematics
1 answer:
WARRIOR [948]3 years ago
5 0
1. 72% = 18/25, 0.72

2. 25% = 1/4, 0.25

3. 500% = 5 or 5/1

4. 5% = 1/20, 0.05

5. 37% 37/100, 0.37

6. 165% = 1 13/20, 1.65

7. 5/8 = 0.625, 62.5

8. 258/300 = 0.86, 86%

9. 350/100 = 3.5, 350%

10. 12 ÷ 15 = 0.8 = 80%= 8/10

11 68 ÷ 80 = 0.85 = 85% = 17/20
You might be interested in
11. Write the equation of a line in point-slope form
Vika [28.1K]

Answer:

Excuse me, wrong answer did not mean to type that. It would be C.

Step-by-step explanation:

This is because C. y - 5 = -2 (x+9) is an inequality. But, because of the slope of -2 passing through the point (-5, 9), it would be x - 9. So, C.

5 0
3 years ago
What is the equation of the following line written in general form? (The y-intercept is -1.)
Ludmilka [50]

Answer:

The correct answer is 2x - y - 1 = 0

Step-by-step explanation:

To find this, use the ordered pair (1, 1) in any of the equations. If it results in a true statement then this can be an equation.

2x - y - 1 = 0

2(1) - (1) - 1 = 0

2 - 1 - 1 = 0

0 = 0 (TRUE STATEMENT)

3 0
3 years ago
Read 2 more answers
The image of F(-5,-9) after translating along <4, 6 > and then translating along < 3, 5> is? F’(?,?)
dusya [7]
<h3>Answer:  (2, 2)</h3>

==============================================

Explanation:

The phrasing "translated along <4,6>" is another way of saying "shift 4 to the right, shift 6 up"

In general, "translated along <m,n>" is the same as writing (x,y) \to (x+m, y+n). If m is positive, then we shift m units to the right. If m is negative, then we shift to the left. The same story happens with the n, but we focus on the y coordinate.

-------------

With all that in mind, starting at F(-5,-9) and translating along <4,6> has us arrive at (-1, -3). Add 4 to the x coordinate and add 6 to the y coordinate.

We can say

(x,y) \to (x+4,y+6)\\\\(-5,-9) \to (-5+4,-9+6)\\\\(-5,-9) \to (-1,-3)\\\\

Showing that (-5,-9) moves to (-1,-3)

This is after the first translation, but there's a second translation.

We'll apply the same idea, but different numbers this time

(x,y) \to (x+3,y+5)\\\\(-1,-3) \to (-1+3,-3+5)\\\\(-1,-3) \to (2,2)\\\\

So (-1,-3) moves to (2,2)

Overall we have

  • (-5,-9) move to (-1,-3) after the first translation
  • (-1,-3) move to (2,2) after the second translation

Therefore, the original point ends up at (2,2) which is the final answer

--------------

Extra info:

A nice shortcut is that the vectors <4,6> and <3,5> can be added to get <4+3,6+5> = <7,11>. So overall, we're shifting 7 units to the right and 11 units up when we combine the two translation vectors.

5 0
3 years ago
Create two similar, but not equal, right triangles using A (-5,-1) and b(4,3.5)
aalyn [17]

Answer:

The attachment shows ΔBAC ~ ΔBDA

Step-by-step explanation:

You want segment AB to be part of two similar, but not congruent, triangles. One way to do that is to make AB the hypotenuse of one triangle and the leg of another.

It is convenient to construct these triangles using point M as the arbitrary midpoint of the hypotenuse of the larger triangle. (We don't know the coordinates of M—we just know it is on the perpendicular bisector of AB.) BC is a diameter of circle M, and AD is the altitude of ΔABC.

8 0
3 years ago
Complete the table and determine whether the data is proportional and explain why
Valentin [98]

Answer:

in distance it goes 3,6,9,12,15

Step-by-step explanation:

thats all i know i hope my answer anwsers nyour questionand have a great time and get a lot of A+ ✍✍

7 0
3 years ago
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