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4 years ago

Which one is right i need this fast

Mathematics

2 answers:

Over [174]4 years ago

8 0

Answer:

The answer for the question is A, D and E

Romashka-Z-Leto [24]4 years ago

4 0

Answer:

Step-by-step explanation:

is b because is answer is b thank you

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1.A 2000 W toaster operates on a household circuit of 200 V. What is the resistance of the wire the make up the heating element

MakcuM [25]

P - power measured in watts
E - voltage measured in volts
I - current measured in amperes
R - resistance measured in ohms

$E=IR
\\P=IE$

1. P = 2000 W, E = 200 V, R = ?

$P=IE
\\2000=I200 
\\I=10
\\E=IR
\\200=10R
\\R=20$

2. P = 0.35 W, E = 150 V, R = ?

$P=IE
\\0.35=I150
\\I= \frac{0.35}{150}
\\ E=IR
\\150=\frac{0.35}{150}R
\\R= \frac{150^2}{0.35}
\\R= 64285.71$

4 0

4 years ago

Determine the value of x in the given figure.

11Alexandr11 [23.1K]

X=25
180-27-53=100
100/4=25
X=25

5 0

3 years ago

Triangle ABC is reflected across the x-axis, and then across the y-axis. Which rotation is equivalent to this composition of tra

larisa [96]

Answer:

<em>C) 180 degree rotation </em>

Step-by-step explanation:

While reflecting a point, with coordinates as (x, y), over x axis the new co-ordinates become (x, -y)

⇒(x, y) → (x, -y)

While reflecting a point, with coordinates as (x, y), over y axis the new co-ordinates become (-x, y)

⇒(x, y) → (-x, y)

So, when these two operations are combined, they the rule followed is,

⇒(x, y) → (-x, -y)

We also know that while rotating a point, with coordinates as (x, y), 180° the new co-ordinates become (-x, -y)

⇒(x, y) → (-x, -y)

Therefore, reflecting a point over x axis and then over y axis will yield the same result as rotating a point 180°.

8 0

3 years ago

Read 2 more answers

Solve the inequality 28<6x-2

ycow [4]

Answer:

5 < x

Step-by-step explanation:

28<6x-2

Add 2 to each side

28+2<6x-2+2

30 < 6x

Divide each side by 6

30/6 < 6x/6

5 < x

7 0

3 years ago

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In the diagram, what is the measure of angle 1 to the nearest degree?

julsineya [31]

7x+4=88
7x=84
x=12
7x-12=7*(12)-2=82
angle 1=180-82=98

5 0

3 years ago

Read 2 more answers