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kiruha [24]
3 years ago
15

Solve the following automotive-services problem. Voltage = 80 v Current = 40 amps Resistance = ?

Mathematics
1 answer:
Andrej [43]3 years ago
7 0
Resistance = voltage/currant
Resistance= 80/40 = 2
Resistance = 2 (Ohms)
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Anthony and Andrew raised money for charity in the ratio 3:7. Anthony raised $177. How much did Andrew raise?
Svetradugi [14.3K]

Answer:

I'm pretty sure it's 413

Step-by-step explanation:

so I divided 177 by 3 to get 59

then multiplyed 59 by 7 to get 413

5 0
3 years ago
The function f(x) varies inversely with x and f(x)=2 when x = 16.<br><br> What is f(x) when x = 4?
andrew-mc [135]

Answer: The correct answer is:  [D]:  "8" .

Step-by-step explanation:f y varies inversely with x;  then y = k/x ; with "k" being the "constant" in this equation.  

You can find the constant by substituting the values given: x = 16,  f(x) = y = 2 ;

So, f(x) = y = 2  = k/16 ;

→  2 = k / 16 ;

Solve for the constant; "k" ;

Multiply EACH SIDE of the equation by "16"

→  16* (2) = (k / 16) * 16 ;

→  32 = k ;

 ↔  k = 32 ;  

As such, we can write the equation:

y = k/ x ; as:

→  y = 32/ x ;

Since we are given:  "x = 4" ;  Plug in that value; and solve for "y" ;

y = 32/4 = 8 .

y = 8 .

y = f(x) ;

So;  f(x) = 8 ;  which is:  Answer choice:  [D]:  "8" .

8 0
3 years ago
Brenna has a bike odometer that shows how far she travels. She bikes 8 miles to her friend's house and then both girls bike to t
aleksklad [387]

Answer:

14 = 8 + 2d

Step-by-step explanation:

Odometer is a device that is equipped in the vehicles to count the distance traveled by the vehicle.

It has been given in the question that,

Distance between beach and her friend's house = d miles.

Distance between Brenna's house and her friend's house = 8 miles

Total distance traveled by Brenna = 14 miles.

Starting from the Brenna's house, we will add each distance traveled till the end of her journey and will make it equal to the 14 miles.

So,

Total distance = Distance between Brenna's house and her friend's house + Distance between her friend's house and beach + Distance between beach and her friend's house

Thus, we can now put the values as,

14 = 8 + d + d

We will get the final equation as

14 = 8 + 2d

4 0
3 years ago
Read 2 more answers
-16a+3+7a-6<br><br> 14x+8y+12y-20x<br><br> -3(8p-6)+4p<br><br> (9x+2y-8) - (12x+11
AleksandrR [38]
1)  <span>-16a+3+7a-6 = -9a - 3

2)  </span><span>14x+8y+12y-20x = 20y - 6x

3)  </span><span>-3(8p-6)+4p = 18-20p

4)   </span>(9x+2y-8) - (12x+11 = -3x + 2y - 19
3 0
3 years ago
Help me this is worth A LOT of points
andrew-mc [135]

Answer:

8.5 yards

Step-by-step explanation:

The overall triangle, as shown by the line dividing its hypotenuse in 2, can be shown as 2 right triangles whose lengths and widths are both 7.5 and 4. With this in mind we can use Pythagorean theorem or...

  • a^2+b^2=c^2

By plugging in 7.5 and 4 into <em>a </em>and <em>b </em>respectively, we get the equation:

  • (7.5)^2 + (4)^2 = c^2

Now we can square 7.5 and 4, add them together and then square root the resultant to get our final answer.

  • 56.25 + 16 = x^2
  • 72.25 = x^2
  • √72.25 = x
  • x = ±8.5

The length of a triangle cannot be negative so disregard the possible negative value for 8.5.

  • x = 8.5

8 0
4 years ago
Read 2 more answers
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