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dexar [7]
2 years ago
12

HURRY ASAP IM ABT TO TURN THIS IN

Mathematics
2 answers:
den301095 [7]2 years ago
8 0

Answer:

-1

Step-by-step explanation:

Lina20 [59]2 years ago
4 0
The answer would be -1
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An electric company charges a certain rate per kilowatt-hour (\text{kWh})(kWh)left parenthesis, start text, k, W, h, end text, r
Studentka2010 [4]

Step-by-step explanation:

The equation is given by :

63.25=800r+3.50

Here,

63.25 is the electric company charges

3.5 is an administrative fee

800 is charge per kilowatt hours

r is rate per kilowatt hour

In this proble, we need to tell that what does r represents. Hence, r shows kilowatt per hour.

We can solve it as follows :

63.25-3.5=800r+3.50-3.50 (Subtracting 3.50 to the both sides)

59.75=800r

r=\dfrac{59.75}{800}\\\\r=0.0746

8 0
3 years ago
In the circle below, chord AB passes through the center of circle 0. If the radius OC is perpendicular to chord AB and has lengt
Airida [17]

Answer:

Option (C)

Step-by-step explanation:

In the given circle, AB is a chord passing through the center O.

Therefore,chord AB is a diameter of the circle and OC is the radius.

AO = OB = OC

OC⊥AB, and length of OC = 7 cm

By applying Pythagoras theorem in right ΔBOC,

BC² = OC² + OB²

BC = \sqrt{OC^{2}+OB^{2}}

     = \sqrt{7^2+7^2}

     = 7\sqrt{2}

     ≈ 9.9 units

Therefore, Option (C) will be the answer.  

7 0
3 years ago
Please help me! You just tell me what to put in the boxes please,
olganol [36]

Answer:

what boxes? XD  need a link to da picture UWU

Step-by-step explanation:

8 0
3 years ago
How do you do trigonometric Ratios<br>​
iren2701 [21]
To calculate the sine of an angle, simply divide the length of the opposite side, 479.16, by the length of the hypotenuse, 610. To get the cosine, divide the length of the adjacent side, 377.5, by the length of the hypotenuse, 610.
4 0
3 years ago
Amira is solving the equation x2 – 6x = 1. Which value must be added to both sides of the equation to make the left side a perfe
likoan [24]
I hope this helps you

5 0
3 years ago
Read 2 more answers
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