3 years ago

I need help please!!!!

Mathematics

1 answer:

mario62 [17]3 years ago

4 0

The answer will be for every x, y will be 1.25

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31,50 is 42% os what number

sergeinik [125]

$\frac{31,50}{x}=\frac{42}{100}$

The right fraction represents the percentage; 42 over 100 (100 is the total), or 0.42.
The left fraction is the part number over the whole number. The whole number is unknown, so we use 'x'.

$\frac{31.50}{x} = \frac{42}{100}\\\\cross\ multiply\\\\31.50\times100=3150\\42\times x=42x\\\\3150=42x\\x=75$
Your answer is 75.

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3 years ago

Find the value of X round your number to the nearest tenths Explain it please

Anarel [89]

In this case, we must use trigonometry to find the value of x:

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Thus the value of x rounded to the nearest tenth is 8.2

Hope that helps!

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2 years ago

Let f(x)=6(2)x−1+4

atroni [7]

G(x)=6(2)x+7+4 i think that is it

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3 years ago

The price p is less than or equal to $25

AleksandrR [38]

Answer:

Great question

Step-by-step explanation:

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2 years ago

How many solutions does 2.3y+3.2-y=2.1+1.3y+1.1 have?

jeka57 [31]

1.3y +3.2 = 1.3y +3.2

we notice that both sides of the equation are identical. So substitute y with any value and the equation would still be correct.

y has infinite solutions.

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3 years ago