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2 years ago

Eder needs 6 cookies and 2 brownies for every 4 plates he makes for a bake sale.

Mathematics

2 answers:

bezimeni [28]2 years ago

8 0

You need 20 brownies, I believe so

lutik1710 [3]2 years ago

4 0

The answer is 15 cookies and 5 brownies

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Fatima evaluated the expression when m = -2 and n = 4. Her work is shown below.

Kruka [31]

Answer:

The answer to your question is: third option is correct.

Step-by-step explanation:

The third option is correct

4(-2)⁻²(4)⁻³

$\frac{4}{(2)^{2}(4)^{3}}}$

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2 years ago

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The difference of a number mand thirty is ten. How do you write this as a equation?

777dan777 [17]

Answer: x - 30 = 10

Step-by-step explanation:

x - 30 = 10

x = 30 + 10

x= 40

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2 years ago

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Answer:

1 .i think it is d

Step-by-step explanation:

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Express sin A,cos A and tan A as ratios

OverLord2011 [107]

Answer:

Part A) $sin(A)=\frac{2\sqrt{42}}{23}$

Part B) $cos(A)=\frac{19}{23}$

Part C) $tan(A)=\frac{2\sqrt{42}}{19}$

Step-by-step explanation:

Part A) we know that

In the right triangle ABC of the figure the sine of angle A is equal to divide the opposite side angle A by the hypotenuse

$sin(A)=\frac{BC}{AB}$

substitute the values

$sin(A)=\frac{2\sqrt{42}}{23}$

Part B) we know that

In the right triangle ABC of the figure the cosine of angle A is equal to divide the adjacent side angle A by the hypotenuse

$cos(A)=\frac{AC}{AB}$

substitute the values

$cos(A)=\frac{19}{23}$

Part C) we know that

In the right triangle ABC of the figure the tangent of angle A is equal to divide the opposite side angle A by the adjacent side angle A

$tan(A)=\frac{BC}{AC}$

substitute the values

$tan(A)=\frac{2\sqrt{42}}{19}$

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2 years ago

About 4% of the population has a particular genetic mutation. 100 people are randomly selected. Find the standard deviation for

blondinia [14]

400 because 100x40 is 400

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2 years ago