- 4/25 into a decimal

What is a divisible?

Leona [35]

A number that can be divided by another number equally/without a remainder.

30 is divisible by 5.

4 0

3 years ago

Read 2 more answers

HEEELР ПОЖАЛУЙСТА HELР

seropon [69]

So for question one (about the equilateral triangle), you know any triangle equals 180 degrees. So an equilateral triangle has all equal angles, so 180/3 would equal 60 degrees for each angle.

Now for the first triangle out of the three isosceles.

You should know that there are two equal sides and one side that is not equal in a isosceles triangle.

So if one side is 34 degrees, and the other two are equal, then you first subtract 34 degrees from 180 degrees, because again, all triangles have 180 degrees. So 180-34 would equal to 146 degrees left. Now you divide 146 by two, because the other two angles are equal to each other. So 146/2 = 73 degrees for each of the remaining angles.

For the second triangle out of the three isosceles.

First, let's just calculate half of the triangle first. You already know two angles, 30 and 90 degrees (hence the 90 degree symbol).

So 30 + 90 would equal 120 degrees in total out of 180 degrees (because 1 triangle = 180 degrees).

So if you subtract 180-120 or 120 + ? = 180 to know the remaining angle of the half of the triangle, you would get 60 degrees left. And that also goes with the other side of the top angle of the entire triangle, so your answer for the second one would be 60 degrees. :-)

For the third triangle out of the three isosceles.

You know one angle is 75 degrees.

If you turn your screen a little bit (like about 90 degrees) to the left, you would see that two sides (with the x degree in the middle) is equal. So then know you know the other side of the triangle would also be 75 degrees, because one side that is equal has 75 degrees.

Now you have two 75 degrees, you add 75 + 75, which gives you 150 degrees now.

So obviously again, 180 degrees is the total amount of degrees in a triangle, and you want to know the last degree that would make the triangle equal to 180 degrees out of 150 degrees, so 180-150 or 150 + ? = 180, which gives you 30 degrees for x for the third isosceles triangle.

try doing the fourth one by yourself lol

5 0

3 years ago

A mountain climber ascends 800 feet per hour from his original

navik [9.2K]

Answer:

4,800

Step-by-step explanation:

Just multiply 800 x 6, which gets 6,800. Then, get 11,600 and subtract 6,800 from it. You'll get 4,800.

7 0

3 years ago

HELP!!!

MatroZZZ [7]

Answer:

B. Length A of Rasheeda’s garden is 27 ft.

C. Length B of the book’s garden is 12 ft.

E. Length A of the book’s garden is 9 ft longer than length A of Rasheeda’s garden.

Step-by-step explanation:

step 1

Find the dimension of the book's garden

we know that

Book scale: 1 inch = 2 feet

That means

1 inch in the drawing represent 2 feet in the actual

To find out the actual dimensions, multiply the dimension in the drawing by 2

so

Length A of the book’s garden

$18\ in=18(2)=36\ ft$

Width B of the book’s garden

$6\ in=6(2)=12\ ft$

step 2

Find the dimension of Rasheeda’s garden

we know that

Rasheeda's Scale: 2 inch = 3 feet

That means

2 inch inches the drawing represent 3 feet in the actual

To find out the actual dimensions, multiply the dimension in the drawing by 3 and divided by 2

so

Length A of Rasheeda's garden

$18\ in=18(3/2)=27\ ft$

Width B of Rasheeda's garden

$6\ in=6(3/2)=9\ ft$

Verify each statement

A. Length A of the book’s garden is 18 ft.

The statement is false

Because, Length A of the book’s garden is 36 ft (see the explanation)

B. Length A of Rasheeda’s garden is 27 ft.

The statement is true (see the explanation)

C. Length B of the book’s garden is 12 ft

The statement is true (see the explanation)

D. Length B of Rasheeda’s garden is 6 ft.

The statement is false

Because, Length B of Rasheeda’s garden is 9 ft. (see the explanation)

E. Length A of the book’s garden is 9 ft longer than length A of Rasheeda’s garden.

The statement is true

Because the difference between 36 ft and 27 ft is equal to 9 ft

F. Length B of the book’s garden is 3 ft shorter than length B of Rasheeda’s garden.

The statement is false

Because, Length B of the book’s garden is 3 ft greater than length B of Rasheeda’s garden.

4 0

3 years ago

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Expand each binomial.

shepuryov [24]

See the attached image examples of some of the tables you would end up making.

In case you would like a more thorough explanation for all this:

Each term in the expansion of (x - 4)⁶ contributes (1) some power of x and (2) some power of -4. This is what's shown in the first two rows: descending powers of x and ascending powers of -4. Notice that the powers of x and -4 in the same column add up to 6. For example, x⁶ is paired with (-4)⁰, and x⁴ is paired with (-4)², and so on.

The third row contains what are called the binomial coefficients. These numbers tell you how many times the product in any given column shows up in the expansion. So (x - 4)⁶ contains 1 copy of x⁶(-4)⁰ = x⁶, 6 copies of x⁵(-4)¹ = -4x⁵, and so on.

Why do the powers sum to 6? Why are the coefficients 1, 6, 15, etc?

We can write

(x - 4)⁶ = (x - 4) (x - 4) (x - 4) (x - 4) (x - 4) (x - 4)

The powers sum to 6 because from the 6 copies of (x - 4) on the right, you will always pick between 0 and 6 copies of x and however many copies of -4 from the terms that don't provide an x.

For example, if we picked the highlighted terms here,

(x - 4) (x - 4) (x - 4) (x - 4) (x - 4) (x - 4)

then multiply them together, we get

x • x • x • x • x • (-4) = x⁵ (-4)¹ = -4x⁵

But there are 5 other ways to make this selection, including

(x - 4) (x - 4) (x - 4) (x - 4) (x - 4) (x - 4)

→ (-4) • x • x • x • x • x = -4x⁵

or

(x - 4) (x - 4) (x - 4) (x - 4) (x - 4) (x - 4)

→ x • x • x • (-4) • x • x = -4x⁵

and so on, giving a total of 6 possible choices of counting the product x⁵ (-4)¹.

The coefficients follow a pattern that can be arranged into what's known as Pascal's triangle:

1

1 1

1 2 1

1 3 3 1

1 4 6 4 1

and so on. The n-th row of the array lists the coefficients in the expansion of (x + y)ⁿ, starting with n = 0. To demonstrate:

(x + y)⁰ = 1

(x + y)¹ = x + y = 1 x + 1 y

(x + y)² = x² + 2xy + y² = 1 x² + 2 xy + 1 y²

(x + y)³ = x³ + 3xy + 3xy + y³ = 1 x³ + 3 x²y + 3 xy² + 1 y³

and so on. For larger n, the pattern in the triangle continues by starting with 1 on the left, then adding together the two consecutive numbers in the previous row from above and to the left, then ending the new row with 1. For example, the next row for n = 5 would be

1 (1 + 4) (4 + 6) (6 + 4) (4 + 1) 1

or

1 5 10 10 5 1

and similarly, the next row for n = 6 would be

1 6 15 20 15 6 1

More generally, the k-th term in the n-th row, where 0 ≤ k ≤ n, is given a symbol (THE "binomial coefficient") defined as

$\dbinom nk=\dfrac{n!}{k!(n-k)!}$

where ! denotes the factorial function, which shows up in what's known as the binomial theorem:

$(x+y)^n=\displaystyle\sum_{k=0}^n\binom nk x^{n-k} y^n=\binom n0x^n+\binom n1x^{n-1}y+\binom n2x^{n-2}y^2+\cdots+\binom nny^n$

8 0

3 years ago