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3 years ago

( m + 4 ) ( m + 1 )

Mathematics

1 answer:

love history [14]3 years ago

3 0

(m+4)(m+1)

=m^2+5m+4........

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Which subtraction expression does the number line show?

olga nikolaevna [1]

Letter c

-4-9=-13

What is saying u start at -4 See the arrow point go left on number line 9 spaces so your subtracting to give you-13

7 0

3 years ago

– x + 7 = 13<br> X = ?<br> What is X

IRISSAK [1]

X = -6

-x + 7 = 13, subtract 7 from both sides.
then you have -x = 6, and you have to device by negative 1 on both sides because you can’t have a negative x value. then you have x = -6.
hope this helps!

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3 years ago

Can someone please help me answer #10?

Alenkasestr [34]

0.05x+0.10y = 4.00, if its just the equation

6 0

3 years ago

Read 2 more answers

8. To solve the equation 1/3 x = -4, you would first need to multiply both sides by what number?

gregori [183]

Answer:

First multiply both sides by 3

Step-by-step explanation:

First multiply both sides by 3. So that 3 will be cancelled and you can fond the value of x

$\frac{1}{3}x*3=-4*3\\\\x = -12$

3 0

3 years ago

A school wishes to form a rectangular playground using 160 meters of fencing. The playground borders the school building, so the

34kurt

Answer:

$A(x)=80x-\dfrac{x^2}{2}$

Step-by-step explanation:

Let the length of the school be x meters (this is also the length of playground) and the width of playground be y meters.

A school wishes to form a rectangular playground using 160 meters of fencing (two widths and one length must be fenced). So,

$x+2y=160\\ \\2y=160-x\\ \\y=80-\dfrac{x}{2}$

A function that gives the area of the playground in terms of x is

$A(x)=\text{Length}\times \text{Width}\\ \\A(x)=y\times x\\ \\A(x)=\left(80-\dfrac{x}{2}\right)\times x\\ \\A(x)=80x-\dfrac{x^2}{2}$

4 0

4 years ago