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2 years ago

Please help worth 25 points

Mathematics

2 answers:

satela [25.4K]2 years ago

6 0

Answer:

The answer is (b-5)2

Step-by-step explanation:

Decreasing means you need to subtract.

Doubled mean you need multiple it by 2.

pentagon [3]2 years ago

4 0

Answer:

a number b is decreased by 5 then doubled

(b -5) x 2

the sum of 20 and h is divided by f

h/f = 20

Marissa's hair was 10inches long and then she cut b inches

10 - b

the sum of twice c and 10

2 x c = 2 x 10

anna had a n piece of candy and ate 5. she split remaining amount with three friends

(n-5) = (X / 3)

I hope my answer are correct and helpful a little bit.

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3 years ago

How to solve the second equation

ivann1987 [24]

$\bf \textit{ vertex of a vertical parabola, using coefficients}\\\\
\begin{array}{lccclll}
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\end{array}\qquad 
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\\\\\\
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$\bf \textit{ vertex of a vertical parabola, using coefficients}\\\\
\begin{array}{lccclll}
y = &{{ -0.01}}x^2&{{ +0.7}}x&{{ +6}}\\
&\uparrow &\uparrow &\uparrow \\
&a&b&c
\end{array}\qquad 
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\\\\\\
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\\\\\\
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4 0

3 years ago

Subtract <br><br> \frac{3n+2}{n-4}-\frac{n-6}{n+4}

aalyn [17]

(3n+2)/(n-4) - (n-6)/(n+4)

common denominator (n-4)(n+4)

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Use the foil method:

{(3n²+14n+8)-(n²-10n+24)}/{(n-4)(n+4)}

distribute negative sign:

{(3n²+14n+8-n²+10n-24)}/{(n-4)(n+4)}

subtract:

(2n²+24n-16)/{(n-4)(n+4)}

take out 2:

2{n²+12n-8}/{(n-4)(n+4)}

4 0

3 years ago

Read 2 more answers

Please answer this asap and please show work.

lesya692 [45]

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2 years ago

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Step-by-step explanation:

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3 years ago