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katen-ka-za [31]
3 years ago
10

Solve the system of equations using any method: x+7y=8 −6x−6y=24

Mathematics
1 answer:
Nana76 [90]3 years ago
8 0

Answer:

i hardly have got tought this yet

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A solid piece of wood shaped as a cylinder with an 8-centimeter diameter is cut as shown.
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Answer:

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Step-by-step explanation:

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3 years ago
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PLease dont answer if you dont know...<br> Use the Law of Sines to find side "b" of the triangle.
alexdok [17]
Using the law of sins:

side a / sin (angle A) = side b / sin(Angle B)

Side a is opposite angle A, so from the picture we know side a = 50, angle A is 58 degrees and angle B is 48 degrees.

replace those values in the formula we get:

50 / sin(58) = b/ sin(48) 

so now we can cross multiply the 2 fractions to get:

50 * sin(48) = b*sin(58)

to get b by itself, divide both sides by sin(58) to get:

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4 0
4 years ago
Andrew purchased n pens from the school book fair for $.1.19 each. Andrew paid with
Molodets [167]

Answer:

Andrew purchased 12 pens.

Step-by-step explanation:

First, subtract 5.72 from 20 to get $14.28. Then, divide that by 1.19 to get 12. So, Andrew purchased 12 pens.

4 0
3 years ago
Solve for (2-x)(x^2-4)
svp [43]

Answer:

-x^3+2x^2+4x-8

Step-by-step explanation:

(2-x)(x^2-4)

2x^2-8-x^3+4x

-x^3+2x^2+4x-8

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3 years ago
Judy spent 1 hour 15 minutes less than sandy exercising last week sandy spent 50 minutes less than Mary who spent 3 hours at the
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Judy spent 55 mins at gym.

Step-by-step explanation:

Let the time spent by Judy be 'J'

Let the time spent by Sandy be 's'

Mary spent 3 hours at gym.

Sandy spent 50 mins less than Mary

S = 3hours - 50 mins

S = 2 hours 10 mins

Judy spent 1 hour 15 mins less than Sandy.

J = S - 1hour 15 mins

J = 2 hours 10 mins - 1 hour 15 mins

J = 55 mins

Judy spent 55 mins at gym.

5 0
3 years ago
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