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4 years ago

Fish is $20 a kilogram your recipe asks for 1/2 kilogram. How much will it cost

Mathematics

1 answer:

lora16 [44]4 years ago

5 0

Known :

1 kg = $20

Asked :

½ kg = $...?

Answer :

1 kg = $20

½ kg = ½ × $20

= $10

Hope it helps and is useful :)

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Determine the factors of x2 − 12x − 20.

FrozenT [24]

Answer:

Step-by-step explanation:

Synthetic division is one way to determine whether or not a given number is a root of the quadratic. x^2 − 12x − 20 can be rewritten as x^2 - 12x + 36 - 36 - 20, or (x - 6)^2 - 56, which does not have integer solutions:

(x - 6)^2 - 56 = 0 becomes (x - 6)^2 = 56, which works out to x - 6 = ± 2√14.

None of the possible roots suggested in this problem turns out to be an actual root.

correct response: PRIME

3 0

4 years ago

Help me please ASAP!

Bumek [7]

$216 = 6^{4x+ 11}$

$6^3 = 6^{4x+ 11}$

$3 = 4x + 11$

$4x = 3 - 11$

$4x = -8$

$x = -2$

Answer: (c) x = -2

8 0

4 years ago

What are the coordinates of the midpoint of the line segment with endpoints J(−6, 3) and K(4, −2) ?

frutty [35]

M = ( (-6+4)/2, (3+-2)/2 )

M = (-1, 1/2)

8 0

3 years ago

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What is a point slope equation of the line with slope -13 that goes through the point (5,7)

MaRussiya [10]

Y=-13x+72 is the answer

8 0

3 years ago

12. Use a trigonometric ratio to find the measure of O in the triangle below. Give your answer to the nearest degree.

larisa [96]

Given :-

A right angled triangle with two sides 10cm and 9cm .

To Find :-

The value of theta .

Solution :-

At angle theta , 9cm side will be considered as the perpendicular and 10cm side will be hypotenuse . So , as we know that ;

$\longrightarrow sin\theta =\dfrac{perpendicular}{hypotenuse}$

Substituting the respective values,

$\longrightarrow sin\theta =\dfrac{9cm}{10cm}$

Simplify,

$\longrightarrow sin\theta= 0.9$

Take arcsin both sides ,

$\longrightarrow \theta =sin^{-1}(0.9)$

$\\\longrightarrow\underline{\underline{\theta = 64.15^o }}$

Hence the required answer is 64.15° . 

6 0

3 years ago