2 years ago

Is Y = 4 x 2 proportional?

Mathematics

1 answer:

Wewaii [24]2 years ago

8 0

Answer:

Step-by-step explanation:

Proportinal relationships follow the equation y = kx k is the constant of proportianality

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Rani had Rs800 left after spending 75% of her money.How much money did she have in the beginning?

hram777 [196]

Answer:

Rs. 3200

Step-by-step explanation:

Money left Rs. 800

Money spent = 75%

Rs 800 = 25%
800 = 0.25x
x = 800/0.25
x = 3200

Initial amount was Rs. 3200

6 0

3 years ago

<img src="https://tex.z-dn.net/?f=%5Cleft%28%5Csqrt%7B2%7D%2B1%5Cright%29%5Cleft%285%2B%5Csqrt%7B2%7D%5Cright%29" id="TexFormula

dsp73

<h3>Solution:</h3>

$( \sqrt{2} + 1)(5 + \sqrt{2}) \\ = \sqrt{2} (5 + \sqrt{2} ) + 1(5 + \sqrt{2} ) \\ = 5 \sqrt{2} + 2 + 5 + \sqrt{2} \\ = 7 + 6 \sqrt{2}$

<h3>Answer:</h3>

7 + 6√2

5 0

2 years ago

Read 2 more answers

For the function defined by I = 50/t, what can you say about the relationship between the variables I and t?

sveticcg [70]

Answer:

Inverse proportionality relationship

Step-by-step explanation:

SInce I equals 50 divided by t, we see "t in the denominator, which corresponds to an INVERSE proportionality between these variables (I and t)

8 0

3 years ago

How do you decompose numbers

Over [174]

Method 1 Decomposing into Hundreds, Tens, and Ones<span>
Understand the difference between "tens" and "ones." ...

Break apart a two digit number. ...

Introduce the "hundreds" place. ...

Break apart a three digit number. ...

Apply this pattern to infinitely larger numbers. ...

Understand how decimals work. ...
<span>
Break apart a decimal number.</span></span>

8 0

2 years ago

Given the function rule f(x) = x2-5x+q what is the output of f (-3)

sammy [17]

F(x) = (-3)2 - 5(-3) + q
= -6 + 15 + q
= 9 + q

6 0

2 years ago