WILL gIVE bRAINLIEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

sveta [45]3 years ago

7 0

Answer: I don’t like this it’s scaring me but can you give me a bit more info then I think I can get this

Step-by-step explanation:

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Charlie wants to order lunch for his friends. He’ll order 6 sandwich’s and a $3 kids meal for his little brother Charlie had $27

Vera_Pavlovna [14]

The answer is 4, first you the $27 and subtract the $3, then u take 24 and divide it by 6

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3 years ago

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Your friend takes a job cleaning up a neighbors yard and mowing the grass, and asks you and two other friends to help. Your frie

nadezda [96]

Answer:

$100

Step-by-step explanation:

when you read the context you have your friend which is (1), than she asks (You (1) and (Two (2) other friends to help.

Add

Friend + You + Two other friends= 4

Now Divide 100/4= 25

hope this helps

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3 years ago

Donna has a $300 loan through the bank she is charged a simple rate The total interest she paid on the loan was $63 As a percent

Black_prince [1.1K]

Answer:

21%

Step-by-step explanation:

($63*100%) / $300 = 21%

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2 years ago

A vector with magnitude 9 points in a direction 190 degrees counterclockwise from the positive x axis. Write in component form

Over [174]

Answer:

$\vec{v}= \text{ or } \approx$

Step-by-step explanation:

Component form of a vector is given by $\vec{v}=$ , where $i$ represents change in x-value and $j$ represents change in y-value. The magnitude of a vector is correlated the Pythagorean Theorem. For vector $\vec{v}=$ , the magnitude is $||v||=\sqrt{i^2+j^2$ .

190 degrees counterclockwise from the positive x-axis is 10 degrees below the negative x-axis. We can then draw a right triangle 10 degrees below the horizontal with one leg being $i$ , one leg being $j$ , and the hypotenuse of the triangle being the magnitude of the vector, which is given as 9.

In any right triangle, the sine/sin of an angle is equal to its opposite side divided by the hypotenuse, or longest side, of the triangle.

Therefore, we have:

$\sin 10^{\circ}=\frac{j}{9},\\j=9\sin 10^{\circ}$

To find the other leg, $i$ , we can also use basic trigonometry for a right triangle. In right triangles only, the cosine/cos of an angle is equal to its adjacent side divided by the hypotenuse of the triangle. We get:

$\cos 10^{\circ}=\frac{i}{9},\\i=9\cos 10^{\circ}$