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3 years ago

Help solve #12 plz

Mathematics

1 answer:

nexus9112 [7]3 years ago

8 0

Answer:

<h3> The second: f(-5) = 2</h3>

Step-by-step explanation:

x = -5

-5 < -4 and if x<-4 then f(x) = - 2x - 8

so:

f(-5) = - 2(-5) - 8 = 10 - 8 = 2

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algol [13]

It might be A but I'm not 100% sure inequalities was my worst thing I learned in algebra 2<span />

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3 years ago

Evaluate 3(a + b + c)2 for a = 2, b = 3, and c = 4.

Snowcat [4.5K]

Answer:

Step-by-step explanation:

3(2 + 3 + 4)^2

3(9)^2 = 3(81) = 243

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3 years ago

H(t)=-16t^2+96x+256. what is the initial value?

Eduardwww [97]

Answer:

256

Step-by-step explanation:

The intial value should be where it started which in this case would be when

t = 0

So if you make t = 0

h(0) = 16(0)^2+96(0)+256

h(0)= 256

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4 years ago

What is the excluded value?<br><br> 0<br><br> 1/2<br><br> 1

nekit [7.7K]

Answer:

excluded value is 1/2

Step-by-step explanation:

The excluded value is the value when the denominator is equal to zero

1 -2x =0

Subtract 1 from each side

-2x = -1

Divide by -2

-2x/-2 = -1/-2

x = 1/2

The excluded value is 1/2

7 0

3 years ago

What is the volume of this figure?

melomori [17]

<h3><u>Explanation</u> :-</h3>

Volume of a square box is equal to the cube of the length of the side of the square box.
The formula for the volume is V = s³, where "s" is the length of the side of the square box.

$\qquad$ ____________________

It’s given–

Length of one side is = 7cm

$\bf{\underline{\underline{\dag According\ to\ the\ question:-}}}$

$\qquad$ $\purple{\bf\longrightarrow {Volume = 7^3} }$

$\qquad$ $\purple{\bf \longrightarrow Volume =343\: cm^3}$

Hence, option C is the correct option!

5 0

3 years ago

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Help solve #12 plz ​

Help solve #12 plz