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vaieri [72.5K]
3 years ago
12

I need help with the following picture​

Mathematics
1 answer:
kolbaska11 [484]3 years ago
5 0

Answer:

A

Step-by-step explanation:

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19. Find the current in a circuit if the power is 500 W (watts) and the resistance is 25 ohms. Round off your answer to two deci
HACTEHA [7]

Answer:

A

Step-by-step explanation:

The formula that relates current, power and resistance is

I=\sqrt{\frac{P}{R}}

Where

I is the current (in amperes)

P is the power (in watts)

R is the resistance (in ohms)

We know P = 500 and R = 25, we plug them into the formula and solve for I:

I=\sqrt{\frac{P}{R}}\\I=\sqrt{\frac{500}{25}}\\I=\sqrt{20}\\ I=4.47

Correct answer is 4.47 Amperes, or choice A.

4 0
3 years ago
Can y’all help me please !
Leviafan [203]

no because she turned it only 90 degrees not 180.

180 would be a mirror reflection

6 0
3 years ago
If 9(x-9)=-11 then x=?
Bas_tet [7]
9(x-9)=-11\\
9x-81=-11\\
9x=70\\
x=\dfrac{70}{9}
4 0
3 years ago
How many cubic feet are equivalent to 1 cubic yard?explain?
motikmotik
(1 yard )3<span> = 1</span>3<span> yard*yard*yard</span><span> = 1 yard*yard*yard</span><span> = 1 cubic yard . Since 1 yard = </span>3 feet, we have.
1 cubic yard = (1 yard)3<span> = (</span>3 feet)3<span> = </span><span>33 feet*feet*feet</span><span> = </span>27 cubic feet<span>.</span>
8 0
3 years ago
Common core question please help!!!
Maru [420]
She has 648 shirts.

Work:
Lisa has 42 pineapples. 4 + 2 = 6
Johnny has 6 marbles.
42 + 4 + 2 + 6 = 54
54 + 5 + 4 = 63
63 + 6 + 3 = 72
But 72 is a multiple of 6!
Let's go further:
72 * 6 = 432

Now let's look at the word 'shirt'.
The middle letter is I.
I is the 9th letter of the alphabet.
Remember the number 72?
72*9 = 648
5 0
3 years ago
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