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Free_Kalibri [48]
3 years ago
6

Write the ratio as a fraction in simplest form, with whole numbers in the numerator and denominator.

Mathematics
1 answer:
maks197457 [2]3 years ago
5 0
The answer is 20/28=5/7
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In ΔDFE, which trigonometric ratio has the same value as sin D?
DerKrebs [107]
Hello,

sin (30°)= cos (60°)=1/2  (complementary angles)
sin D= cos E

Answer C

5 0
3 years ago
Read 2 more answers
Find the 15th term of this arithmetic sequence for 20,26,32,38,44
olga2289 [7]

Answer:

104

Step-by-step explanation:

There are two ways to do it, though we need to know how it is affected.

20+6=26

26+6=32

32+6=38

38+6=44

Thus, you are adding 6 for each term.

1. You do it manually...(yes.)

I'll number it one by one

1.20

2.26

3.32

4.38

5.44

6.50

7.56

8.62

9.68

10.74

11.80

12.86

13.92

14.98

15.104

The 15th term is 104.

2. This method is easier. As shown above, there is a pattern. We can apply it using this formula:
20+6(n-1)

You can get this formula from the facts that:
-you start off with an additional added 8

-you add 6 every time

-if we do it 6n then it would be incorrect, with an extra 6 for each

-the formula is correct; you can test it for terms 2,3,4,5 like this:

20+6=26

20+2x6=32

20+3x6=38

20+4x6=44

To find the 15th term, you can:

20+14x6=20+84=104.

5 0
2 years ago
Please what’s the answer
kozerog [31]

Answer:

It's the second one.

7 0
3 years ago
A picture is 7 3/5 cm wide how much should it be trimmed to fit in a frame 7 3/10cm wide​
makvit [3.9K]
3/5 -3/10=
6/10 -3/10 =
3/10
It should be trimmed by 3/10 cm
3 0
2 years ago
Read 2 more answers
Plot the points in the coordinate plane. Then find the perimeter and area of the polygon.
anyanavicka [17]

Answer:

The answer to your question is below

Step-by-step explanation:

See the graph below

Process

1.- Find the distance from A to B, B to C, C to D, A to D

Formula

d = \sqrt{(x2 - x1)^{2} + (y2 - y1)^{2}}

d AB = \sqrt{(1 + 3)^{2} + (6 - 5)^{2}}  = \sqrt{17}

dBC = \sqrt{(-2 -6)^{2} + (3 - 1)^{2}}  = \sqrt{68}

dCD = \sqrt{(-1 - 3)^{2} + (-3 +2)^{2}}  = \sqrt{17}

dAD = \sqrt{(-1 + 3)^{2} + (-3 - 5)^{2}}  = \sqrt{68}

2.- Find the perimeter

Perimeter = 2\sqrt{17} + 2\sqrt{68} = 6\sqrt{17} u

3.- Find the area

Area = \sqrt{17} x \sqrt{68}

Area = \sqrt{17x68} = \sqrt{1156} = 34 u^{2}

7 0
3 years ago
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