MATHEMATICS MIDDLE SCHOOL

Write this in scientific notation: 52,739

Answers

Answer 1
Answer: Scientific notion always has a number times 10 to the power of something.

So

5.2739 * 10^4

Now if you had to round then it would become

5.3 * 10^4
Answer 2
Answer: 5.2739 x 10^(4) or 5.3 x 10^(4)

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Find the value of the missing trigonometric ratio of each triangle? help me HURRY!!! ​

Answers

Answer:

The value of cosA = (√3)/2 and tanA = 1/√3 or (√3)/3.

Step-by-step explanation:

Firstly,youhavetofindthevalueofadjacentusingPythogoras'Theorem,a²=b²+c²:

Let a = 2, b = 1

2² = 1² + c²

c² = 2² - 1²

= 4 - 1

= 3

c = √3

NowwehavefoundtheadjacentsowecanfindcosAandtanAusingTrigonometricfunction,cosθ=adj./hypo.andtanθ=oppo./adj.:

adj. = √3

oppo. = 1

hypo. 2

cosA = (√3)/2

tanA = 1/√3 OR (√3)/3

In X+3(X+4)=20 you distribute the 3 to the x and 4 but what happens to that 3 afterwards

Answers

it is a linear simple equation, lets solve it step by step:
X + 3(X + 4) = 20
x + 3x + 3*4 = 20
4x + 12 = 20
4x = 20 - 12
4x = 8
x = 8/4
x = 2

What is the next term in the sequence below? 1, 3, 5, 8, 11, 15, 19, 24, ...
 a.30 b.27 c.29 d.25

Answers

The logic in the sequence is --> +2, +2, +3, +3, +4, +4, +5, +5, +6, +6 and so on...

So, the next number in the sequence would be 24+5 = 29

So, the answer is --> c.29
The series is : 1, 3, 5, 8, 11, 15, 19,
We can see the sequence as
1 = 1
3 = 1 + 2
5 = 3 + 2
8 = 5 + 3
11 = 8 + 3
15 = 11 + 4
19 = 15 + 4
so the next should be 19 + 5 = 24
and after that next should be 24 + 5 = 29

So the answer is 29. i.e.  C

How do I help my child figure this out? What methods should she use? It is 4:02. What time was it 2 hours and 19 minutes ago?

Answers

subtract two hrs : 2:02 then subtract twenty minutes : 1:42 and then add 1; 1:43
You should tell your child to figure out how much time 2 hours and 19 minutes will be (2:19). What I'd do is take 2:19 and subtract that from 4:02. I'm pretty sure that this is correct. Hope this helps!

Trevor sees 8 red birds. He sees 5 more red birds than blue birds hkw many. Blue birds does trevor see

Answers

Trevor would see 3 blue birds because 8-5=3
3 blue birds since there all
Red

What is the area of parallelogram ABCD?


____ square units

Answers

Answer:

13

Step-by-step explanation:

Here's a method of finding the area of any polygon knowing its vertices. I'm using this parallelogram as an example.

Make a table like this (each vertex with its x- and y-coordinates):

Pt    x       y

A     3      6

B     6      5

C     5      1

D     2      2

A     3      6

Now multiply each x-coordinate by the y-coordinate on the line below and write it on the right side. Bold type shows the first multiplication.

       x       y

A     3      6

B     6      5      15

C     5      1        6

D     2      2      10

A     3      6      12

Now multiply each y-coordinate by the x-coordinate on the line below and subtract from each produce you already have. Do each subtraction. Bold type shows the first multiplication.

       x       y

A     3     6

B     6      5      15 - 36 = -21

C     5      1        6 - 25 = -19

D     2      2      10 - 2 =     8

A     3      6      12 - 6 =     6

Add all the differences.

       x       y

A     3      6

B     6      5      15 - 36 = -21

C     5      1        6 - 25 = -19

D     2      2      10 - 2 =     8

A     3      6      12 - 6 =     6

                                   +____

                                       -26

The area of the polygon is the absolute value of half of the sum of the differences.

area = |-26/2| = |-13| = 13

Final answer:

You can calculate the area of a parallelogram using the formula: Area = base * height. To do this, you need the length of the base and the perpendicular height of the parallelogram. For example, if the parallelogram has a base of 5 units and a height of 3 units, its area will be 15 square units.

Explanation:

The area of a parallelogram can be calculated with the formula: Area = base * height. In your question, you'll need to know the lengths of base and the height of the parallelogram ABCD to compute the area. It's essential to remember that the height is the perpendicular distance from the base to the top, not the length of the side.

Let's say, for example, the base of your parallelogram is 5 units and the height is 3 units. You would calculate the area as follows: Area = base * height = 5 units * 3 units = 15 square units.

Learn more about Area of Parallelogram here:

brainly.com/question/33960453

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