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DanielleElmas [232]
3 years ago
12

Which expression and diagram represent “three times a number”?

Mathematics
2 answers:
Neporo4naja [7]3 years ago
7 0

Answer:

B

Step-by-step explanation:

kozerog [31]3 years ago
6 0

Answer:

You've picked the right one! It's the one you've marked in the picture!

Step-by-step explanation:

Multiplication is just like addition; you're just doing it multiple times instead of once. 3<em>x</em> is equal to <em>x</em> + <em>x</em> + <em>x</em>. That's exactly what the option you chose in the image shows. Great job! You've got this!

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Umm what do you mean?
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Please help I need it!!!
ziro4ka [17]

Answer:

a

Step-by-step explanation:

it is being reflected of the other end

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Victoria recently switched to a new electric company. If she uses between 0 and 400 kilowatt-hours (kWh) of electricity per mont
Gekata [30.6K]

Answer:

see the explanation

Step-by-step explanation:

<em><u>The question is </u></em>

Identify the domain and the range, using words and inequalities

Let

x -----> the number of kilowatt-hours (kWh) of electricity per month

y ----> the price per month

we know that

Part 1) For the value of x between 0 kWh and 400 kWh

0\ kWh \leq x < 400\ kWh

The price is equal to

y=\$30

therefore

The domain is the interval ------> [0,400)

The domain is all real numbers greater than or equal to 0 kWh  and less than 400 kWh

The range is ($30)

The range is equal to $30

Part 2) For the value of x equal to 400 kWh or more per month

x\geq 400\ kWh

The domain is the interval -----> [400, infinite)

The domain is all real numbers greater than or equal to 400 kWh

The price is

y=0.097x

<em>Find the range</em>

For x=400 kWh

y=0.097(400)=\$38.8

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7 0
3 years ago
Find the constant of proportionality of the equation 2y = 20x
olganol [36]

Answer:

10

Step-by-step explanation:

We want to find k when y=kx

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Georgia [21]

Answer:

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Step-by-step explanation:

This can easily be looked up on google

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3 years ago
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