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3 years ago

God why can't I understand thus stuff

Mathematics

1 answer:

damaskus [11]3 years ago

7 0

Hey there,
For this question, you need to find the lowest common multiple which in this case is 60.
How i got it?
5= 1 x 5
12= 2 square x 3
Since one is common, take 5 x 2 square x 3 which is equal to 60

Hope you get it :))

You can ask me any doubts if you have :))

~Top

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In an electrical circuit ,the voltage across a resistor is directly proportional to the current running through the resitor.If a

Lerok [7]

Answer: The voltage across an identical resistor = 60 Volts

Step-by-step explanation:

Step 1

Given that voltage across the resistor is directly proportional to the current running through the resitor.

Mathematically, it would be represented as

Voltage ∝ Current

Introducing the constant of proportionality, k which represents the Resistor as it is constant.

we have that

Voltage = K x Current

When current = 12 amps and voltage = 480v, the constant of proportionality K

480 = k x 12

k = 480/12

k= 40

Step 2 ,

when current = 1.5 amps

Voltage = ?

Using our equation that

Voltage = K x Current

Voltage = 40 x 1.5

Voltage = 60 Volts

3 0

3 years ago

3. Max wants to spend at most $89 on his friend's birthday gifts. He already bought her a $34 video

wariber [46]

Answer:

Step-by-step explanation:

Answer:

The Inequality representing money she can still spend on her friend birthday gift is .

Jordan can still spend at most $30 on her friends birthday gift.

Step-by-step explanation:

Given:

Total money need to spend at most = $45

Money spent on Yoga ball = $15

We need to find how much money she can still spend on her friend birthday gift.

Solution:

Let the money she can still spend on her friend birthday gift be 'x'.

So we can say that;

Money spent on Yoga ball plus money she can still spend on her friend birthday gift should be less than or equal to Total money need to spend.

framing in equation form we get;

The Inequality representing money she can still spend on her friend birthday gift is .

On solving the the above Inequality we get;

we will subtract both side by 15 using subtraction property of Inequality.

Hence Jordan can still spend at most $30 on her friends birthday gift.

7 0

3 years ago

Atticus wants to buy 2/3 of a square yard of wrapping paper the paper cost $2.40 per yard how much will Atticus spend on wrappin

balu736 [363]

Atticus will spend $1.60 on wrapping paper.

Step-by-step explanation:

Given,

Cost of paper per yard = $2.40

Atticus wants to buy = 2/3

Cost of 2/3 yards of paper = $\frac{2}{3}*2.40$

Cost of 2/3 yards of paper = $\frac{4.80}{3}$

Cost of 2/3 yards of paper = $1.60

Atticus will spend $1.60 on wrapping paper.

Keywords: division, fraction

Learn more about fractions at:

#LearnwithBrainly

3 0

3 years ago

Ralph is purchasing a new gaming system for $300.00. He is trying to decide whether he wants to use cash or his credit card to p

ra1l [238]

Using cash can help Ralph improve his credit score is just untrue in so many ways.

The answer is choice A because the statement does not justify Ralph's use of cash.

6 0

4 years ago

Read 2 more answers

Solve for z z/12 equals 4/5

eimsori [14]

This is a proportion problem.

z 4
--- = ----
12 5

We can cross multiply and divide.

5z = 48
z = 9.6

Hope this helps!

7 0

3 years ago