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Bond [772]
3 years ago
14

#2 math help needed

Mathematics
1 answer:
Rzqust [24]3 years ago
7 0

Answer:

Step-by-step explanation:

Considering the given triangle SHX, to determine SH, we would apply the sine rule. It is expressed as

a/SinA = b/SinB = c/SinC

Where a, b and c are the length of each side of the triangle and angle A, Angle B and angle C are the corresponding angles of the triangle. Likening it to the given triangle, the expression becomes

SH/SinX = HX/SinS = SX/SinH

The sum of the angles in a triangle is 180°. Therefore,

X = 180 - (66 + 61) = 53°

Therefore

SH/Sin 53 = 22/Sin 66

Cross multiplying, it becomes

SHSin66 = 22Sin53

0.914SH = 22 × 0.799

0.914SH = 17.578

SH = 17.578/0.914

SH = 19.2

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Janet’s car insurance payment decreases by $20 each year. Which expressions represent the total change in her payment,in dollars
Liono4ka [1.6K]

Answer:

Option C is the correct answer.

C.  5•(-20)

Step-by-step explanation:

We are told that the insurance payment for the car follows a certain pattern that can be represented through an expression. The payment is decreasing by $20 every year. As we don't know the total payment amount per period, so we cannot calculate how much is paid per period/year for insurance but we can calculate the rate at which this payment is decreasing.

Change in payment = t * (-20)

The above expressions can be used to calculate the amount of change in payment i payment is decreasing by a constant $20 every year, after t years.

So, if we want to calculate the change in payment after say 5 years, we can replace t with 5 in the equation and calculate the change,

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4 0
3 years ago
Area and perimeter 5cm and 9cm
RUDIKE [14]
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7 0
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Answer:

Step-by-step explanation:

A circle is named by its center.

Name of the circle:  Circle B

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8 0
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