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3 years ago

Can someone please help me with this

Mathematics

2 answers:

PtichkaEL [24]3 years ago

7 0

1. 40m^2 2.150ft^2 3.99in^2 4.70m^2

Igoryamba3 years ago

7 0

Use photo math or math papa

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Finish the polynomial by adding one number to make it a perfect square<br><br> x^2+18x+

dsp73

Answer:

Step-by-step explanation:

${x}^{2} + 18x + {(( \frac{1}{2})(18)) }^{2}$

${x}^{2} + 18x + {9}^{2}$

${x}^{2} + 18x + 81$

${(x + 9)}^{2}$

6 0

2 years ago

Use the x-intercept method to find all real solutions of the equation.<br> x^3-8x^2+9x+18=0

meriva

Answer:

a. $x=-1,3,\:or\:6$

Step-by-step explanation:

The given equation is;

$x^3-8x^2+9x+18=0$

To solve by the x-intercept method we need to graph the corresponding function using a graphing calculator or software.

The corresponding function is

$f(x)=x^3-8x^2+9x+18$

The solution to $x^3-8x^2+9x+18=0$ is where the graph touches the x-axis.

We can see from the graph that; the x-intercepts are;

(-1,0),(3,0) and (6,0).

Therefore the real solutions are:

$x=-1,3,\:or\:6$

8 0

3 years ago

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F(-2) if f (x) = -3x+7

katrin [286]

1 is the awnser to this problem

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2 years ago

Find the equation of the plane that passes through the point (4,3,−2)(4,3,−2) and contains the line x(t)=−4−4t,y(t)=−1+3t,z(t)=1

aniked [119]

We Need more info please us at brainly would like you to provide more information so we can answer your question right away thank you have a goodnight.

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2 years ago

Explain how you know whether to add or subtract when you use the distributive property to multiply?

Anettt [7]

Answer: You must see if it is a distributive property of multiplication over addition or a distributive property of multiplication over subtration.

Step-by-step explanation:

You can find two kind of expressions in this property:

- Distributive property of multiplication over addition: When you mulitply a sum by a number. For example:

$a(b+c)=ab+ac$

- Distributive property of multiplication over subtration: When you mulitply a subtration expression by a number. For example:

$a(b-c)=ab-ac$

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3 years ago

Read 2 more answers