3 years ago

Helppppppop meeeeeee

Mathematics

2 answers:

Xelga [282]3 years ago

5 0

Reflection in the y axis I think

Alex73 [517]3 years ago

3 0

Answer:

option b

is the answer

please check it

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Write the equation of a

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Step-by-step explanation:

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3 years ago

Peter samples her class by selecting 5 girls and 7 boys. This type of sampling is called?

Vika [28.1K]

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Hello!

______________________

Peter samples her class by selecting 5 girls and 7 boys. This type of sampling is called?

This type of sampling is called Stratified.

Hope this helped you!

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3 years ago

F(x)=2x+3/4x+5<br>find f(-9)<br>

mylen [45]

$\implies {\blue {\boxed {\boxed {\purple {\sf { f(-9)= 0.48}}}}}}$

$\large\mathfrak{{\pmb{\underline{\orange{Step-by-step\:explanation}}{\orange{:}}}}}$

$f(x) = \frac{2x + 3}{4x + 5} \\$

For $f(-9)$ , put " $-9$ " for every value of " $x$ ".

$↬f( - 9) = \frac{2( - 9) + 3}{4( - 9) + 5}\\$

$↬ f(-9) = \frac{ - 18 + 3}{ - 36 + 5} \\$

$↬ f(-9) = \frac{ - 15}{ - 31}\\$

$↬ f(-9)= \frac{15}{31}\\$

$↬f(-9)= 0.48\\$

$\bold{ \green{ \star{ \red{Mystique35}}}}⋆$

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3 years ago

Read 2 more answers

What is the first step to finding the equation of a line when 2 points are known?

vladimir1956 [14]

The first step to finding the equation of a line when 2 points are known....
the first step would be to use the slope formula to find the slope of the line

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3 years ago

The sum of 45% of a number and 55% of the same number is 200. what is the number?

Ymorist [56]

.45x+.55x=200
Combine like terms
1x=200
So x is 100

Or you can do 45%+55%=100%
And 100% of 200 is 200

8 0

3 years ago