If a material contains three elements joined in a fixed proportion, it is a(an)a. mixture.
b. solution.
c. atom.
d. compound

Answers

Answer 1

Answer: The answer is d. if they are chemically joined as a mixture is multiple element but they aren't chemically joined. And an atom is what the element is made of and a solution is not anything to do with joined elements

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a ship is 45 miles east and 30 miles south of port. if the captain wants to sail directly to south port, what beating sold be taken

Answers

probaly you meant 'what bearing should be taken'

so use pythagorean theorem
c=distance from position to south port
b=45
a=30

a^2=B^2=c^2
30^2+45^2=c^2
900+2025=c^2
2925=c^2
square root of both sides
15 times √13
aprox
54.08
54.1
opposite of east=west
opposite of south=north

bearing=
54.1 miles north-west

Well
  East
45 miles > > > >
< v
< v 30 miles South
North < v
West   < Δ= ship

A right angle is formed, so we use Pythagoras.

$45 ^(2) +30 ^(2)=2925$
$√(2925)=54.08$

Therefore,  the route should be 54 miles North West

You want to produce a scale drawing of your living room, which is 21 ft by 28 ft. If you use a scale of 5 in. = 7 ft, what will be the dimensions of your scale drawing?

Answers

Answer:

15 in. by 20 in.

Step-by-step explanation:

Dimensions of living room :

Length = 21 feet

Width = 28 feet

Scale : 5 in. = 7 ft

So, 1 ft. = $(5)/(7)$ in.

So, 21 feet = $21 * (5)/(7)$ in.

21 feet = 15 inches

Now 28 feet = $28 * (5)/(7)$ in.

28 feet = 20 inches

So, the dimensions of the scale drawing = 15 in. by 20 in.

Hence the dimensions of the scale drawing is 15 in. by 20 in.

5 in --------- 7 ft
x in --------- 21 ft

x = (5 x 21)/7=15 in

Otherwise:

5 in ---------- 7 ft
x in ---------- 28 ft

x = (5 x 28)/7 = 20 in

Dimentions of drawing is 15 x 20 in

36x^3a+45xa^2=9xa( ) complete the statement.

Answers

9xa is the common factor.

You can complete the statement by dividing the two terms of the expression of the left side by 9xa, and you will get:

36x^3a + 45xa^2 = 9xa ( 4x^2 + 5a)

Iola has $75. She buys a pair of shoes on sale for one-half off and a pair of socks for $6. She has $32 left. Which equation can be used to find x, the regular price of the shoes?a. x + 6 + 32 = 75
b. x + 6 = 32
c. 1/2x +6+ 32 =75
d. 1/2x +32 =75

Answers

To solve for the problem above, let x be the regular price of the shoe.
1/2x is the one-half price of the shoe then we add 6 for the pair of socks,
1/2x + 6, then lola has 32 left so we add that too, 1/2x + 6 + 32 = 75. The total amount of lola spent is 75 - 32, which is 1/2x + 6.

Answer:

The answer is C

ON edge

Step-by-step explanation:

If s(x) = x – 7 and t(x) = 4x2 – x + 3, which expression is equivalent to (t*s)(x)