3 years ago

Bananas are $.59 a pound what is the constant of proportionality

1 answer:

4 0

The constant proportionality is the proportionality of 59. Because it is the price, you just move the decimal point two places over to the left.
If you do this correctly you will get .59

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A certain ore contains 21 percent gold. How much ore (in tons) is needed to obtain 882 tons of gold?

krok68 [10]

Answer:

it would be 4200 ore

Step-by-step explanation:

because 882/.21

6 0

2 years ago

A point on the terminal side of an acute angle in standard position is (1, 2 √2). Find the cosine value of this angle.

kozerog [31]

Answer:

$cos\theta=1/3$

Step-by-step explanation:

The point at the terminal side of an acute angle is given by $(1, 2\sqrt{2} )$ .

That is,

$x = 1$ and $y= 2\sqrt{2}$ .

Let r be the length of line segment drawn from the origin to the point and is given by the formula:

$r = \sqrt{x^{2} + y^{2}}$

Substituting the values of x and y into r,

$r = \sqrt{1^{2} + (2\sqrt{2} )^{2}}$

$r = \sqrt{1 + 8}$

$r = \sqrt{9}$

Thus, $r=3$

Also, $cos\theta$ is given by:

$cos\theta = x/r\\$

Substituting values of x and r,

$cos\theta = 1/3\\$

4 0

3 years ago

Help me please I done understand

KonstantinChe [14]

I don’t understand either

6 0

3 years ago

Which expression is equivalent?

arlik [135]

Answer:

The first one 3^7 *1/3-4

Step-by-step explanation:

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3 years ago

If someone can do this only 5 times i’ll give u a cent

Thepotemich [5.8K]

Answer:

Step-by-step explanation:

8x - 27 = 7x - 4

8x-7x = 24-4

x = 20

I hope im right!!

6 0

2 years ago